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1 - 358 of 358 results for "snap module"
Help with a SNAP-AOV-25 module
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I am using the SNAP-AOV-25 to give a 0 - 5 VDC output to a thyristor for a heater control. I have used a SNAP-AOV-5 previously to do this job but the current project needed to use only 1 rack because of...more
Changing SNAP I/O Modules
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Is it necessary to turn power off to the EB1 brain when changing a SNAP i/o module? Is it necessary to restart the strategy on a PAC-S1 after changing a SNAP i/o module on a rack that uses a EB1 brain? Thanks...
Read back Snap output modules
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I’m a new user to Snap I/O. When I write to an Analog output module to set an analog value, can I then read the Output value back to make sure the the output is set to the value I requested ? I am...more
Using snap modules without the rack
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Hello, I use your Snap line in our OEM controller, and I came across your Module Integration Guide (form 0876-100610 dated June 2010). Communicating directly with snap modules is something that I am very...more
Snap Pac Analog Module in Pac Control Strategy
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Hi guys, I am running my strategy in an EPIC Controller and I am also using a Snap Pac with a EB2 Brain as an IO Point. I am trying to configure the analog modules of the Snap Pac as 4-20mA type in Pac...more
Can SNAP PAC system auto detect I/O modules? - old forum post
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nvl Joined on 07-12-2007 Posts 19 Can SNAP PAC system auto detect I/O modules? Our customers ask the questions regarding I/O modules: Do PAC controller R-series & Brain automatically detect the I/O...more
Snap-IAC5 Module as Tank Probe Sensor
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I don’t know if I am the only one who’s ever considered doing this (and quit laughing), but really it work like a champ. The IAC5 has a impedance of 169k ohms which at first I thought would too high and...more
SNAP-OMR6 vs SNAP-ODC5R. Mechanical relay ouput modules
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It still surprises me how many people work with Opto 22 hardware and software and yet are not signed up to OptoNews and so miss out on hearing all the cool stuff that happens in the world of Opto 22...more
I have couple of a normally close solenoid, that is connected directly to SNAP-OAC5 module
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Hi all, I have couple of a normally close solenoid, that is connected directly to SNAP-OAC5 module. one of those solenoids is constantly getting 120 VAC when it’s off and 120 VAC when they are on, I...more
SNAP Profibus Module
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I have a question about the Profibus module. We have a customer who would like our system to communicate with a Siemens S7 300 PLC. They want to send us a setpoint and want us to send back data. I...more
SNAP-AOVA-8 module and its SNAP-HD-20F6 cable
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I am setting up a new system that has some of the AOVA-8 output modules installed. I look forward to using this module based on it’s apparent versatility. I have the corresponding, required cables and...more
SNAP-SCM-SSI Module and Novotechnik TP1
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Ok, I just successfully connected and got working an SSI module and Novotechnik magnostrictive linear sensor. I am bringing this up because I had to struggle a bit but once you know what to look for...more
Communicating with SDM120ct-mv power analyzer through Modbus using the Snap SCM-485-422 module
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Hello all! I am quite new to the world of Opto22 and Modbus, I have been learning it for 3 weeks now and so far, I understand most of the basics. Now I have a task that has been assigned to me and that...more
Debounce for snap counter
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Is there a way to add a debounce to a snap pac i/o counter (the module’s built-in counter function)?...
SNMP I/O point OID's?
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I have made numerous exhaustive searches here on these forums as well as internet searches, and have found no information on this, thus this post. The equipment and software I’m using: Opto22 Snap Pac...more
RS232/485 Serial C++ Example Code
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Hello, is there any example code how to read/write on a RS232 or RS485 module based on the “C++ OptoMMP Software Development Kit for SNAP PAC” code? We have SNAP-SCM-232 and SNAP-SCM-485-422 modules. Thanks....
Humidity Sensor
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Is there a way that I can use this Humidity Sensor with a SNAP Module? bourns.com error 122.07 KB ...
Get the EPIC DI/DO module state in PAC Control
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The PAC Control can use the Get HDD Module Status command to move the state of the SNAP HDD module to an integer variable. So how do we move a EPIC DI/DO module state to an integer variable?...
Modbus Master & Slave Communication
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Hello everyone, I would like to know if it is possible to use both TCP Modbus Master communication on a SNAP PAC R2 PLC and Modbus serial slave communication on a communication module SNAP-SCM 485 ?...
Loose Modules (PAC)
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Spent most of today troubleshooting QNAN errors on various I/O modules. We mostly saw them with SNAP-AITM-4i modules, but also had the problem with SNAP-OMR6T-C and a couple others. Then other modules ...more
I/O Screw size?
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What is the screw size of the snap-pac I/O modules? A whole bunch were never installed and subsequently lost…...
Old SNAP-AITM screws
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Older SNAP-AITM modules (circa 2010) had four Philips screws for the field wiring (new modules (and really old modules) had/have captive screws). What size are these old screws? One was lost....
AICTD Conversion
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When converting a Snap-PAC system over to EPIC hardware are there any modules that would work for the ICTD sensors?...
Problem with 1678 Modbus/TCP Protocol Guide
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I have found what appears to me to be an error on Page 29 of the Modbus/TCP Protocol Guide in the Analog Module Address Table. This pertains to the values used for both the CONFIG POINT and CONFIG...more
Use SNA-AIV-4 as 4 to 20 mA input
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Hi I have a SNAP-AIV-4 module, can it be used with a 4 to 20 mA sensor by placing a 220 ohm resistor in parallel to one of the channels?...
SNAP-IDC-16 and SNAP-IDC-HT-16
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Excuse me, what is the difference between SNAP-IDC-16 and SNAP-IDC-HT-16? Can you give me an example of the application of the two modules? thank you!...
SNAP AIMA-8 & SNAP-AILC with pressure transmitters and load cells
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Just some clarifying questions. If I have three the same type of pressure transmitters that I am using for my project I only need one SNAP AIMA-8 controller since it has 8 channels. Am I correct? I...more
Reading SNAP-AIMA-i from CODESYS via Modbus
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I have a SNAP PAC R1 controller running a strategy that includes two scaled inputs from a SNAP-AIMA-i module in channel 3 on the rack. In the PAC Control strategy, the inputs are scaled such that 4 mA ...more
SNAP-AIRTD QNAN problem
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Dear all! I maintain a SNAP PAC system, and I get from some SNAP-AIRTD module IVAL and XVAL value: “-1.#QNAN”. This values periodically change from the normal field value and back to “-1.#QNAN”. It...more
Factory Mutual Approvals?
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Dear Opto, I’m a big fan of the SNAP-AIMA-8 module because it’s relatively high density, but you can still connect directly to the screw terminals on the module without using a breakout board. However,...more
-QNAN on Inputs
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I am using a SNAP-OAC-EB2 with 12 analog input modules in a 16 slot rack. Each of the input modules has 8 analog inputs. I am measuring temperature with this system. Every once in a while (about 1-2...more
PR1 GRV-OMRIS-8 Start On Pulse
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Is Start On Pulse supported on a OMRIS-8? I have a strategy trying to use it and the output does nothing. The command help only shows support on SNAP modules, so maybe this command never made it to EPIC?...
PID to control SSR through Mechanical Relay module
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I have a SNAP-PAC-R1 system that has several modules including SNAP-OMR6T-C and a SNAP-AOVA-8. I would like to power a submersible heater by cycling it off and on in a PID loop. I was hoping to use...more
SNAP Multi-Channel I/O Confusion - old forum post
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Robertson Joined on 06-23-2007 Posts 6 SNAP Multi-Channel I/O Confusion Just started working with the SNAP Multi-Channel I/O. One of the first things that jumps out at me is that in the point...more
What type of CAN module use?
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Hi everyone, I’m looking for people that could help me better understanding CAN module, For what kind of use should we use SNAP-SCM-CAN2B and SNAP-SCM-232 ? Cordially Roman....
Pb16h
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I would like to control an existing PB16H digital board with a [SIZE=2]SNAP-ODC-32-SNK digital output module using the [/SIZE][SIZE=2]SNAPHD-G4F6 [/SIZE][SIZE=2]header cable. The data sheet for the...more
I/O expansion past one rack?
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How is I/O expanded past one rack using Epic I/O without adding another Epic controller? Specifically the Digital AC modules? (I like the higher density vs. SnapPAC modules)...
IDC32 Module Intermittently Losing Communication
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We recently replaced the control panel on a machine, but kept the software basically the same. The only change was moving the I/O tags to fit the new SNAP-PAC module layout. Part of this change was...more
B3000 Identify Optomux Type response
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I have no SNAP analog modules to test so I want to know how the B3000 responds to this command. Mine responds with A00 digital type. If one address contains both digital and analog SNAP modules, how...more
Ignition with older Mistic controllers
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I have a project coming up where a plant wants to integrate its HMI’s and tag data into Ignition. However, some of the controllers are from the Mistic family. I know that Cirrus Link has a module that...more
Alternative to the adapter cable for high density IO modules?
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Hello everyone, I’m new to the Opto SNAP system and automation control in general. As I become more familiar with the SNAP system and my machine in which I’m adding the SNAP system my imagination is...more
Lightning Strike Protection (SNAP-AILC)
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Good Morning, I am using a SNAP PAC Rack with a load cell module (SNAP-AILC) to monitor the weight on a very large outdoor conveyor scale. The unit we are replacing has a “lightning strike disconnect”...more
SSR connection with a Digital Output I/O module
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Hello all, I am a student in a laboratory, new to the system. We have a machine I want to implement a PID heating system. I have understood the software side but hardware. I use SNAP-ODC5A-I module and...more
Comm options for B100 brain
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Customer currently has an S2 talking to a B100 using one of the onboard serial ports. Between the two is a fiber link (serial-fiber-serial). They need to co-opt the fiber for an Ethernet run. So can...more
Limitations of R1 with serial number lower than 600,000
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We’ve got a number of R1 controllers that are old enough to have serial numbers below 600,000. According to the user guide: “SNAP-PAC-R1s with serial numbers lower than 600,000, and all SNAP-PAC-R1-Bs...more
Suggestions for Accessing Expanded Memory Mapped Areas
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All, Please bear with me (newbie). I’ve run into something I think a number of you must have encountered at some point - typically I’ve used SNAP I/O modules with 4 points or less. I have an input...more
"Tune" your Load Cell module
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Hi All, For those of you using load cell modules (Opto 22 offers the: SNAP-AILC and SNAP-AILC-2), here’s a little short cut you can use to find your ideal Fast Settle Level and Filter Weight values. In...more
SNAP B3000 ENET Ethernet IO C++ Programming Code Problem
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Dear Sir: I am new to the OPTO22 system and I am evaluating your product on behalf of my company. My problem is that I can't designate "module zero - point zero" to be a designated output port...more
Using SNMP to clear counter
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The goal is to remotely clear a counter Data Point module on SNAP-B3000-ENET brain Is it possible using SNMP to do the equivalent of OptoScript functions: ClearCounter(on_point) the_count = GetClearCounter(from_point)...
-539 I/O error; performing retry
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SNAP PAC EB2 brain is returning -539 in the controller message queue. image1163×623 364 KB The brain is only referenced in two block2 and runs ~100 msecs between blocks and ~10 msecs after the last...more
Snap IDC5Q quadrature
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Dear I hope you are well. I came here to ask for your help, I work with the opto 22 snap pac controller, I use a hard court module, These modules are already 5 years old but over time they are burning...more
My totalizer is off by app. 2000 or 3000 lbs most of the time
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The software is Snap Pac Pro, the controller is a SNAP-PAC-S1 and the brain where the Analog module resides is an EB1. The signal comes from a new Emerson Mass flow meter that checks out good. For some...more
Decoding memory map module information
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Reading module information from the Memory Map (0xF010000, 0xF0100004). Would it be possible to get the “SNAP Analog Inputs” table on pages 18-25 from 1465_OptoMMP_Protocol_Guide in an Excel spreadsheet format?...
Communication SNAP-SCM-232
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Dear all, We like to communicate with a new device by using a SNAP-SCM-232 module, this is complete new for us and there for I look for some help in how to configure and how to set up the communication...more
Using SNAP-TEX-FB16-H with SNAP-IAC-16
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I want to use the SNAP-TEX-FB16-H breakout board in conjunction with a SNAP-IAC-16 module to monitor 120VAC inputs. I cannot seem to figure out how to wire the breakout board (I have looked at the app...more
Switching 10+ amp 120VAC loads - what am I missing?
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Hello, My PAC/PLC experience is incredibly limited to one machine we have at work. I’m a geek though and have wanted to use a PAC system in my home shop to control all sorts of things: exterior lights,...more
Lost connection to an R1 through Ignition with the Cirrus module
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Hey guys, I’m running 3.4.4 of the Cirrus Opto 22 SNAP PAC driver with Ignition 7.9.8, and a couple of weeks ago it just shows not connected, and it won’t reconnect. I’ve restarted the module...more
If I switch to another page, will the trend graph continue to record data?
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Hello, I have two questions. 1, in Groov Server for win, there is a trend map in a page. If I switch to another page, will the trend graph continue to record data? 2, can the communication parameters...more
Remote data logging for a water treatment application. - old forum post
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mpiotro Joined on 05-02-2008 Posts 1 remote data logging for a water treatment application Hi, I’m looking into setting up a basic remote monitoring/data logging system. Inputs I would need to monitor...more
Configuring a I/O module
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Hello everyone, I’m working on project based on an OPTO 22 snap-up1-ads, this project is already built and configured, I just have to make it work again. The problem is that one of the modules I have...more
Snap-Pac-EB2 Firmware Question
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I am replacing a Snap-Pac-EB2 with a replacement in kind, and I cannot get it to work with my application. The only difference I can see is my old module had an older firmware version. Is there a...more
SNAP-ODC-32-SRC to SNAP-UDC-HDB Ribbon Cable Alternative
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My goal is to have the SNAP-UDC-HDB near the SNAP-ODC-32-SRC module, within 6" -12" inside the same electrical enclosure. Opto 22 sells the cables at 6ft lengths, this works great when you have the PAC...more
GRV-IDC-24 with sinking output
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We are upgrading from G4 and SNAP generations of hardware to Groov. Our next step is moving 20 rectifiers in which 10 of those have a power and fault outputs (input to Groov). We were thinking of using...more
Modbus Adress from otg file
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Hello Dear Forum in my .net application i’m accessing SNAP pack EB1 thought modbus since i will have a lot of migration to do, i whiling to make a tool to import acquisition rack configuration to my...more
Assigning IP Address
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Hello everyone, I’m trying to connect between SNAP-PAC-R1 and my PC . I’ve already installed PAC Manager and connected between the SNAP PAC and my PC using the network cable in the Learning center...more
PAC Motion Control
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Hi I’m looking at utilising the SNAP-PAC-MCH16 Motion Control module and the accompanying 4 x SNAP-SCM-BB4 Breakout Boards to control 16 x 48V stepper motors. I’ve not used these modules before in our...more
Profibus Module
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I am having a problem using the Profibus module SNAP-SCMProfi. I find that for some reason the comms with this Kollmorgen drive will not initialize correctly even if I restart the power up chart, and...more
Configure SNAP SCM-232 serial communications from vb.net
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Long story short, I haven’t had any luck finding information about how to set up the serial port options (e.g. Baud Rate, Parity, etc.) of a serial module (SNAP SCM-232) through vb.net. I downloaded...more
Two issues that need to be addressed
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Two issues that need to be addressed I would like to use a high density DI module, channel isolation, I chose the SNAP-IDC16. I first selected the Breakout is SNAP-TEX-FB16-L. but found that SNAP-TEX...more
Redundant SNAP-PAC-S1
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Hi Can we configure 2 SNAP-PAC-S1 Modules as a redundant controller in which 1 will be active and 1 will react as stand by and the standby will take command when active went offline or BAD. Regards, Milind Raval...
SNAP-PAC-R1 firmware upgradation failed
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Hi all. I am using SNAP-PAC-R1 controller for my application. I tried to update the firmware of the module to R9.5h via Ethernet. During firmware downloading process suddenly an error called...more
Analog rate of change - old forum post
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dsandstrom@pipesys.com Joined on 10-16-2007 Posts 1 Rate-of-Change for Analog Input I have a SNAP-AITM thermocouple module with a SNAP-UP1-ADS brain, SNAP-PAC-S1 controller, and PACControl Pro software...more
PAC Sim
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I’m a total beginner at Opto 22 and I tried to use the simulator. The error message said that I need to register the control engine in my computer…!!! I can’t even get out of the starting blocks here...more
Problem with iPAC
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I have the next configuration from PAC Control Basic 9.2 optocontrol.png856×607 35.9 KB there are a module SNAP-AITM-8 with 4 K thermocuples and 1 scable input. When I read it from iPAC I get: la...more
Snap-idc5 within a relay circuit
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Hello I have a circuit consisting of an emergency stop button, a SNAP-IDC5, a reset button and a relay coil with a resistance of 600ohm. The circuit is powered by 24v DC supply. The SNAP-IDC5 acts...more
Correct way to scale a resistance input?
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Newbie here… For my first learning project, I’ve interfaced a Davis Instruments anemometer and wind vane to, respectively, a SNAP-AIRATE card, and a SNAP AIR40K card. Also A Hydreon RG11 rain sensor...more
Any PID + TPO users out there?
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Hi All, I’ve just been looking at some options for having a digital TPO as the output of PID, and am wondering if/how/where all you OptoForum users out there might be doing this. For example, what...more
Opto 22 SNAP PAC power supply and UPS recommendations
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We’ve had some issues recently with brown-outs and power cuts and were wondering if Opto 22 has a recommended solution for providing UPS power to SNAP PAC controllers and brains. We have multiple Opto...more
Disable and force digital output (XVAL) from PacDisplay
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Hi, I would like to know if it is possible to perform an HMI with pacDisplay which deactivates the communication of a SNAP-ODC5-iFM output module and force the signal in the XVAL to a 24VDC solenoid...more
G3 coating or "marine approval"
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Hi All, We had a question about G3 coating or “marine approval” so I thought I’d share the answer here in case others might be interested: “Our modules do not have G3 coating and no Marine approval. We...more
SSI Module Configuration
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I have an SSI Module and an SSI rotary encoder connected to a SNAP PAC R1. I am having some issues getting it all to work. My configuration is as follows Data Bits: 20 Error Bits: 3 Data Frame Length...more
Groov EPIC Load Cell Input Module
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What features would you like to see an a groov EPIC Load Cell input module? Would the specs/functionality of the SNAP-AILC-2 be sufficient or are there other features you’d like to see? Your input/feedback is appreciated. Thanks, Arun Opto 22...
Analog Input Unstable
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Hi All, Just what to throw this question out there to see if what I am experiencing is normal for this product. I need to read some 4-20 mA pressure transducers, so I have a SNAP-PAC AIMA-8 I/O and a...more
Probe control
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For those of you who have always assumed that in order to control a tank system with probes you have to have something like a B&W probe system to monitor the water levels, I have news for you. I...more
PACSIM 8.5c - Can it read from and write to an actual SNAP-PAC EB1 I/O rack?
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I need to test out a new Strategy using PAC SIM as I do not have a Physical controller available. I have a SNAP PAC EB1 with several I/O modules that will be installed at a customer site. My Question...more
Definition of TPO?
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Good Morning All, Can someone please explain definition of TPO as it relates to a “DIGITAL OUTPUT” in OPTO world? Digital point should simply be On/Off. Shouldn’t it? How does “Time Propotional Output...more
Control a Tower Pro SG92R Servo Motor
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Good day to all! I am trying to control the direction of a mini servo motor for a robot arm project. I saw some posts here in the forums that the TPO is one way of Opto22’s PWM generation. I am using a...more
Integrating third party equipment using Modbus
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I don’t know the best place to start, so… I have a piece of equipment from a vendor (large blower from EBM) that has Modbus capability. I have a SNAP-PAC-R1 controller on a 16 position rack and have a...more
With PROFIBUS DP communication interface
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Several converters are equipped with PROFIBUS DP communication interface. I use the R1 controller. What is a good way to get the operation parameters of the converter through this interface? Use SNAP...more
Cold Junction Compensation
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Anyone else seeing thermcouple readings in the hot junction affected by changes in ambient temperature in the cold junction? I am using a SNAP-PAC-R1 with the SNAP-AITM-4i module with 4 thermocouples...more
Variable Rounding Issue
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I’m totally stumped here. A little background info: I am using a SNAP-SCM-ST2 module to control a stepper motor. My goal is to be able to control the position of the motor. Since I know the position...more
Groov EPIC-PR1 - Restful API
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Hey Guys, I might be missing it, but is there no restful api for the EPIC-PR1 like the snap-pac-r1/r2? I know that we can build a similar function like it through node-red, but wouldn’t it make sense...more
Moving a Point in a High Density Module
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Another probably dumb question after some explanation: BTW: We are currently running 9.4 basic, but will be upgrading to 9.6 Pro when we are stable enough to differentiate issues related to the upgrade...more
High Density equivalent of GetIoUnitAsBinaryValue
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We have re-implemented our embedded OPTO22 systems using high density modules. In the past, using only 4 input or output modules, we used GetIoUnitAsBinaryValue or GetIoUnitAsBinaryValue64 to determine...more
Groov RIO with Ignition Edge Compute Module
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We have 2 Groove RIOs running Ignition edge Compute licenses. They are on separate networks with hardwired analog 4-20ma signals running between them (to keep networks physically isolated). We...more
URGENT - Use Two Controller with I/oMistic
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Hello, I will wish to use 2 SNAP-PAC controllers with I / O modules Mistic. they use the same configuration. pac controller number 1, uses a strategy with chart and controlle i / o pac controller...more
PID loop on GROOV
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Hi all, Could you please provide help/documentation regarding PID loop implementation on a GROOV EPIC, with AI and AO modules using PAC Control? Any examples that could help? Is this control in...more
Really Long Delay (28s) Getting Data Out with SNAP-SCM-CAN2b
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Hi All, I am suffering a problem with a SNAP-SCM-CAN2b module we have installed. It receives data and has no errors (including status LEDs) and the data is well formed (i.e. not scrambled or garbled)...more
Keyence LR-W500 Sensor to SNAP-IDC5?
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I’m hoping somebody may be able to help out a total noob on the hardware side of things… My company recently purchased a Keyence LR-W500 sensor. As far as I can tell, I should be able to wire it into...more
Setpoint from PAC Display to comm handle
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Hello, I am new to programming strings and RS232. I have recently put a SNAP-SCM-ST2 module into my system to run some stepper motors. I am able to put the example in from OPTO Form 1944, nStatus...more
Snap odc5r, snap pac r2, rck16
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Dear Sir: Can you please point me to literature that will tell me how to correctly test the SNAP ODC5R with a DMM (digital multimeter)? The ODC5R is sitting on a RCK16 and is being controlled by a...more
I Figured This out: Mistic controller connected to Genesis HMI
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Anyone ever have an arcnet communication issue with “new” noise? Our HMI is having strange characters pop up and communication seems slow or not working at times. We have been upgrading our Mistic...more
Encoder issue with IDC5Q
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Hi, I’m using a 5000 PPR X4 type encoder with an IDC5Q module and Snap-Pac-R1 controller. The problem is that I could only read negative counts in both directions when monitoring from Pac manager...more
Use Terminal app (PuTTY) to communicate to R1 Serial Port 0?
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Hey! I have an RS-232 device (I know…) connected to the Serial port 0 on the SNAP-PAC-R1 controller, and I’m having trouble (I know!) getting it to communicate to PAC Control. I’ve done serial comms...more
AIR400K Scaling Issues
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Hi guys! Would like to get some input from everyone. I have a SNAP-AIR400K-8 which connects to Resistance output NTC Thermistors with a range of 510.06Ohms - 96,974Ohms. I’ve got the AIR400K-8 module...more
Accessing older chart files
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Hi, I’m completely new to this and just started with my company, so please excuse my ignorance! We have a legacy product which was running under “Factory Floor”. My mission is to upgrade this...more
Newbie Question regarding EB2s
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Appologies for newbie things but I have to start somewhere. I’ve got a 4 module rack with an EB2 connected to a power supply (SNAP-PS5). Also the latest PAC Manager interface code 9.2. I’m running on...more
Output frequency - old forum post
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darryl.cox@asu.edu Joined on 03-18-2008 Posts 1 Output Frequency Newbie here; Currently I have some analog and communication modules on my Snap-PAC-R2. I’m looking to output a 450Hz signal. Does...more
StartOnPulse on PAC R1
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I’m having something strange happening with the StartOnPulse command. I have 4 PAC-R1 controllers running the same program and two of them the StartOnPulse works correctly but on the other two the...more
Modbus CHNT DDSU666 power meter
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Hello all! Good day everyone! I have here a power meter that is kind of strange when it comes to its Modbus parameters (or maybe I am doing it wrong). Its name is CHNT DDSU666 power meter, may I...more
#QNAN on all wired analog inputs - old forum post
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Cready24 Joined on 02-08-2008 Posts 3 1.#QNAN on all wired analog inputs I’m configuring a PAC system with 6 analog +/-20mA input modules (SNAP-AIMA-4). Using PAC Manager, I can see the currents on...more
Adjusting temperature range on thermocouple
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I’m just working at connecting some thermocouples (Type T) to a SNAP-AITM8 module. When I configure the points as being Type T thermocouples, the temperature values being returned are 3-4 degrees...more
Upload from the SNAP-PAC-R2 controller
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Hi, I have a SNAP-PAC-R2 controller connected with 2 DI & 1 DO at a site, I need to add another DI module, I don’t have the opto database file[.otg] nor any supporting files, how do I retrieve the...more
Unable to read max and min points
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I’m putting together an application in vb that uses the Memmap functions. The Opto is an EB1, ENET On reading a min and max analog value, I’m having trouble. I’ve got a grid view that is regularly...more
Ethernet 1 and Ethernet 2 Configuration
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SO! I’m using SNAP-PAC-R1s. I have a configuration of Opto A Ethernet 1 connected to a Laptop. Opto A Ethernet 2 connected to Opto B Ethernet 1. Do I need to set Opto A Ethernet 2 to an IP address? I...more
PAC Control 101: Communication Handles
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What’s a Communication Handle, and when would I want to use one? OVERVIEW: A Communication Handle will allow you to: Communicate with another device via SERIAL connection, like RS-232 or RS-485...more
Ignition launched from Groov accessing Opto22 PAC data tables
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PROBLEM: Ignition Designer can’t read data table tags from Opto22 SNAP-PAC, but the Groov box can see the data table tags! I’m trying to take a few screens running in a Groov project and recreate...more
Synchronize charts or code to miliseconds
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Hi guys, Thanks for reading this post and any suggestions you have. I have a SNAP-PAC R1 and I need to run certain code periodically, say every 20ms or 50ms. The code is relatively simple…check a...more
Logging information for a complete cycle
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Hope there is a simple solution! Still a relative neophyte updating others code. We have been operating our vacuum system using SNAP-PAC modules and code. We have been using Supertrends to record...more
N/C input relay
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Looking for G4 opto input relay like G4 IDC5D but with a normally closed logic....
What Analogs are sent through Streamed Data from OptoMMP
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The OptoMMP Protocol Guide (#1465) says this about streamed data: Analog Engineering Units data for 64 channels (float). Includes the first four channels on 16 analog modules; if an analog module...more
Controlling Stepper Motors with Opto
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Hello. Does anyone know if Opto offers any sort of high speed counter module, or any other sort of output module which could be used to control stepper motors? Thanks!...
Encoder with Gray code
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Does anyone have experience using encoders with Gray code output? Can I use an IDC5Q module with an encoder that uses Gray code or reflected binary?...
Groov EPIC modules for CT
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Hi I have a CT (OPTOEMU-ACT-0750-100), which I would like to monitor or get the power and energy measurements. My question is I am planning to use groov EPIC for this but I don’t know what modules...more
Controlling a VFD with Snap Pac
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I want to control a Danfoss VFD with Snap Pac. Currently I use a pot connected to the VFD to control the speed. Can I program it to change speed based on an analog input value? I’m looking at SNAP-PAC-R1/2 & SNAP-AOV-25 . Am I on the right track?...
SNAP-PAC-R1 Serial Port
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Hello everyone, I was wondering if you can use the front serial port of an R1 to communicate Modbus to an AC Drive/Servo Drive that is serial RS-422 (Modbus)? If so, where can I find a wiring...more
Interposing relays or direct-switching of loads with discrete SNAP I/O?
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Wondering what the concerns would be with directly switching loads using discrete SNAP I/O with optical isolation such as the SNAP-ODC5-i or SNAP-ODC5SRC? Is there ever a reason to use interposing...more
Replacement Controls
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I have a client that has a SLC System. It is a 13 slot rack. It has 1 - 4 Channel Thermo Card, 1 - 4 Channel Analog Output Card, 6 - 16 pt 120VAC Inputs and 4 - 16 pt 120VAC Outputs. If I wanted to...more
Groov Epic Redundancy
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I was just wondering if there were any plans for a redundancy kit for the EPIC PR1 or PR2? I work on a lot of military projects that always require redundant controllers....
Modbus RTU Serial Connection
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Hi Brains, I was hoping you could help me with the Modbus Serial Groov Modules. I have two of the modules, and we are trying to connect Modbus through them. What is the IP address of these serial...more
Profi DP Slave
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Dear Sir I want to communicate with Siemens 315-2DP module via profibus, but i am not getting the DP slave program of opto22.can you please guide me how test the communication between these two PLC...more
Getting Started - Turning On/Off Motor
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Hello, I would like some help getting started. I will be using PAC Control Professional. The goal is to turn on and off a motor (clockwise and also counter-clockwise) to move a small piece of...more
Does opto22 Snap Pac S1 supports Pulse Width Modulation?
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Hi, I would like to control model kit brushless motors with a Snap-Pac-S1/Snap-B3000-ENET system. These motors are controlled with by Pulse Width Modulation signal (Pulse-width modulation - Wikipedia...more
EtherNet/IP Configurator for Groov?
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I’ve been experimenting this week with the EtherNet/IP Configurator for SNAP PAC hardware. Is it possible to configure similar communication for I/O attached directly to a Groov EPIC-PR1?...
Reading IDC16 with OptoMMP
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I am trying to read an IDC16 module’s input via the OptoMMP DLL. I am finding that the results are erratic. I have a voltage applied to one of the inputs and sometimes I see the input as being...more
Pulse outputs - old forum post
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Samuel Joined on 09-08-2008 Posts 8 whether SNAP-OAC5i can satisfy the Operating Mode: Pulse (0.1 - 1.0s), Latch? I would like to ask what is the meaning of Operating mode: Pulse (0.1-1.0s), Latch...more
SNAP-AIRATE-HFi
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Excuse me Rate (0.1 s data freshness) and (0.1 s data freshness). What is the difference between them? Application in what situation? Thank you...
SNAP-AOV-25 to SNAP-AIV
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Trying to understand readings expected for wiring a 10V output to a +/-10V input when calibrating on a B3000 Mistic mode. Firmware chips just changed to R81.36. If I set output to 0 counts, and send...more
Measuring grid frequency
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Hello, I’m gonna reference this post Measuring the main power grid frequency I’m trying to measure the frequency (60hz) but I’m puzzled by the wiring. I have a 120 to 24vac transformer going straight...more
Smoothness of Analog Outputs
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I decided to run a little test today on my test bench in my lab. I was going to test for the delay between inputting a signal and the time gets written out. Instead I found that the output signal was...more
iPAC for apple device issue
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Conditions: SNAP-PAC-R1-W AITM-i iPAC App When viewing the analog input through the iPAC app, the R1W loses communication. Within the app, the analog point is defined as a digital input as well. This...more
Connect Opto22 to Ignition
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Hi, I’m very new to Opto22 and trying to get some analog values to Ignition for trending purpose. I’ve looked around but can’t seem to figure out what I need. Basically, at this point all I have is...more
SERIAL COMMUNICATION SOFTPAC controller
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Hallo, I’m using a SoftPAC controller with a SNAP SCM232 card to do serial communication with badge-readers. I already tried to establish communication using Listen Incoming Communication and Accept...more
SNAP-AIMA-4 showing ma reading instead of scaled reading
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I have a SNAP-AIMA-4 in slot 10with a SNAP R2 controller that after about a week it stop displaying the scaled value and displays the ma reading of the device. Has anyone have this problem?...
GRV-IMA-24 channels dips every now an then by less than 2% of the signal value
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Hello, I am using GRV-IMA-24 with an 2 EPICs to read the input signal of load cells after passing them through a Define Instruments SC-WEI Load Cell Signal Conditioner. The load cells are constantly...more
Opto22 OPCserver Historian tag provider to Ignition Enterprise
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I am using Ignition Enterprise with SNAP-PAC-R2 controllers. I am trying to make some graphic charts in Ignition designer but i have to pull historian tags from a database server. Can i do that with Opto22 OPCserver UA-DA? Thank you...
Can't configure analog input from PAC manager
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I can’t configure analog input from PAC manager, when i download the configuration to my SNAP-ENET-S64 it’s all ok but i have a warning: Cound not configure Analog Input point at 0,0....
SoftPAC Serial port communication
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I have a SNAP-PAC-R1 Serial Port I am trying to use as a RS-232 communication to an external device. I am using SoftPAC to run the strategy. I have Port 0 configured, but commands will not send. My...more
Groov EPIC PAC Control MoveIoUnitToNumTableEx on Groov EPIC — Correct Usage and Table Sizing
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I wanted to share some findings on using MoveIoUnitToNumTableEx with a Groov EPIC controller, as the correct usage wasn’t immediately obvious and I had trouble finding documentation specific to the...more
Point I/O for EPIC
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I would like to know if there is a product that could be used as a Point I/O (like the Allen Bradley Points I/O) I am using this EPIC processor that must activate more than 30 valves that are like 30...more
Change EPIC ITM Point Type Programmatically
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Is it possible to programmatically change points on an ITM module from Thermocouple to mV and back? Either through PAC Control or Node Red?...
Modbus Kit - PAC Control
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Hello all, I have an EPIC-PR1 (#1) with a GRV-CSERI-4. I also have a second EPIC-PR1 (#2) with another GRV-CSERI-4. Is it possible to poll devices that are wired to #1, but using PAC Control strategy on #2?...
Cannot change existing I/O Unit Type - PAC Control Pro 9.0
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Hello all, I’m working on a strategy converted from Factory Floor 4.1 to PAC Control Pro 9.0, and I need to convert my old I/O units from SNAP-BRS brains to SNAP-PAC-SB2 brains. I’d like to simply...more
Using Ignition Edge to Connect to a PAC
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I’m working on a proof of concept project trying to connect Ignition Edge (not the one in the new Groov) to a PAC. Within Ignition Edge (IE) there are a number of drivers for different PLCs but...more
HD Digital Output not turning On
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Hi, I have a SNAP-PAC-R1 turning on relays using a SNAP-ODC-32-SRC. Intermittently I have one particular output that does not turn on (IVAL turns ON but XVAL stays OFF). No error is generated. I have...more
Remote Water Meter
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Hi, Ive got an epic working a water plant, controlling water levels, reading PSI and GPM, and sending event alerts if a pump has a fault or water levels are out of range,My question is I have water...more
Website Configurator and Product Selector
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I have the following website feedback Configurators No way to remove a module without removing all of them - click carefully I can’t seem to be able to save configurations Product Selector It is...more
What's the best way to connect to a Profibus device with a groov EPIC?
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I’m exploring ways to interface an EPIC system with legacy equipment that uses a Profibus interface, ideally using the GRV-CSERI-4 for the physical connection. I’ve considered using the SNAP-PDPRS64 ...more
Bit Banging
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Hi All, I wonder what’s the best technique for bit banging. And what is the maximum speed for it. I want to use it to communicate the SNAP PAC with a proprietary device via Manchester protocol. Thank you, Jan....
SW Models or Step Files
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Hi I’ve previously used proper 3D models for things like a SNAP-PAC-RCK8 which I found *.stp files for here on the Opto22 website. As far as I can see, not all products have this level of detailed...more
GRV-CSERI-4 Issue
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I’m upgrading some equipment from Pac hardware to Groov hardware. Everything works fine except the serial input from one of four devices is not coming in properly. The data comes in formatted...more
Where to find mounting track
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I’ve done quite a bit of searching, and I have not found where I can obtain plastic mounting “track” to fit either the old SNAPBXX racks or the new SNAP-PAC-RCK racks. In some of the documentation...more
Wrong analog in value reading in PAC disply
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we are facing problem with our SNAP-PAC-R1 analog reading in PAC disply showing 110 psi with 4ma signal.Please advise how to resolve this issue. Joby...
Digital Inputs read by a Modbus Master SCADA
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Dear Sirs I need to know what opto22 modules are suitable to be used on a modbus TCP IP Network ? The data to be read are digital signals inputs with 24 to 124 VDC and later transformed into Modbus...more
PAC Control I/O Errors -539 and -534 during debug
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I am running the PAC Sim and 4 errors when I run the chart. I have configured one module the GRV-ITM-12 with one i/o therocouple k. Any suggestions? Screen Shot 2021-01-19 at 11.46.30 AM2122×962 180 KB...
Relation of continuity times of PAC technology in the market
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good day, we have control systems LMC4 (mystic) and we are doing the update study. We already have a proposal from an opto 22 provider here in Colombia, but I would like to know where I can find a...more
EPIC Load Cell Input
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Is there a timeline on when or if load cell input modules will become available for the EPIC platform?...
Message read from ControlLogix
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I am curious if there is a way to perform a message read from a ControlLogix PLC to an Opto snap-up1-ads. Currently there are ~32 analog inputs wired to the up1-ads that I need to get into the Logix...more
Iec 60870-5-101/104
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Hi, I have a SNAP-PAC-R1 controller that i would like to communicate with using the IEC 60870-101/104 Protocol. I downloaded the integration kit but could not figure out how to use it. Any help ?...
SNAP-SCM-485-422 start of message character
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Hello, I have a SNAP-SCM-485-422 that I want to use to control a Yokogawa UT-150 tempature controller. In the documentation for the UT-150 it specifies the start of message character as Chr$(2). The...more
SNAP-AIMA-8 compatible with SNAP-UP1-ADS?
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This problem really makes me confused. In 1460_SNAP_Eth-Based_IO_Units_Users_Guide, page37, it says: there, AIMA-8 is compatible with UP1-ADS In 1065_SNAP_Analog_Input_Mods_data_sheet, page 3, it...more
Modbus Integration - IEEE 754
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I need to modify the Modbus integration strategy to accommodate IEEE 754 Float (32 bit) from a Watlow F4T Temperature Humidity controller. Thought i would check here for some ideas before I jump...more
SNAP-AIPM with Current transformer reading 0 ARMS
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Hello, first post here. I am thus far unable to get my AIPM power monitor to read the current transformer (OPTOEMU-ACT-0750-050, 0.333VAC secondary) to monitor a 110VAC power supply, following the...more
SNAP Hardware ID codes
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Hey ya- I’m looking for a list of values for hardware id numbers that would be listed as return values for the MMP functions GetStatusHardwareEx and GetStatusHardwareEx2, as described in the document...more
SNAP-PAC-EB2 compatible with SNAP-UP1-ADS?
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in 1693 Current and Legacy Product Charts, page 4, it says SNAP-PAC-EB2 is not compatible with SNAP-UP1-ADS in 1688 SNAP PAC System Migration Tech_Note, page 17, it says SNAP-PAC-EB2 is compatible with SNAP-UP1-ADS seem to be another error:(...
Snap-pac-r2-w
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With the most current EDS files for OPTO 22, the SNAP-PAC-R2-W shows as an Unrecognized Device in RSLinx. Is this normal?...
GetFrequency returning 0
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Hi, I’m trying to read a magnetic pickup (flow meter) with an IDC5-FAST-A module. The flow meter has 2 test modes that output 10Hz and 250Hz. With both I can see in the software that the inputs are...more
Mistic protocol reaction event question
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I am having difficulty understanding Mistic event configuration, specifically on a B3000. I have a pair of B3000s, one at base address 0, and one at base address 4. I send a ‘SET EVENT ON MOMO MATCH...more
Temperature?
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Is there a max operating temperature for the SNAP PAC hardware? I have mine in a sealed box in a greenhouse. The box sits in direct sunlight much of the day. It has been working fine for the past...more
Ethernet-IP communication Snap Pac S2 with M580 Schneider
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Hi, I would like you to help me with a topic. I need to communicate a Snap-Pac-S2 PLC with a Schneider M580 PLC using Ethernet IP protocol. Is this possible? I have used the Ethernet-IP communication...more
24 VAC Groov Input
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Any plans for a Groov module that can handle a 24 VAC digital input? In G4 and PAC hardware, the IDC modules could handle low voltage inputs that are AC or DC. With Groov, that’s not the case. Any...more
IO error between EPIC and SNAP PAC R1
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We use a groov epic to manage two snap pac R1 ( 1 for digital IO and 1 for analog IO). In the strategy, we have a chart to recopy all IO from our snap pac R1 with the function “move I/O unit to...more
Using OptoMMP.NET to control a stepper motor
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I am trying to control a SNAP-SCM-ST2 using the OptoMMP.NET DLL. I would like to know how to do the following: Configure the device - I do not see an EnumDigitalFeature that seems to apply to the ST2...more
Counting?
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Why is it that I can get IO counting in Opto aPAC, but for some (artificial) reason I can’t get the counts through PAC Control programming using an R2. I don’t need high speed, but standard counting would be really nice…...
pH measurement application
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Wasn’t sure what category to select as the root of my issue is currently undetermined. I have a groov Epic that is getting pH readings from 5 dual channel pH/ORP modules via and EB2. The groov system...more
Got remote locations? Don’t want to miss an important command? Reduce risk
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…and programming time when controlling digital outputs by using intelligent I/O commands. Here’s a sample scenario: you need to send a message to your remote location, like: “start filling tank” or...more
Configure SNAP-PAC-R1 with PAC Manger
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I am trying to configure a R1 brain with the modules so that I can communicate with it via modbus correctly. I am using PAC Manger, and I have the IO configured, but I can’t seem to figure out how to...more
Testing opto 22 snap-aitm
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Hi guys, I normally don’t like to pop into a forum to ask one simple question. But I wasn’t able to find an answer online. Ok so here’s the question. My company has recently replaced a bunch of opto...more
Groov with E/IP IO
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Hi, from reading the documentation there is mention of Ethernet/IP. It seems its use case is for using Groov IO with an AB PLC. I am looking to use Ethernet/IP IO with the Groov as the PLC. In AB...more
SNAP-PAC-S1 to Opto 22 G4R boards. How do I set it up? - old forum post
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firebate Joined on 04-07-2005 Posts 5 Snap PAC S-1 to OPTO22 G4R boards. How do I set it up? Hi, I am trying to figure out how to get my SNAP PAC S-1 unit to talk to an OPTO 22 remote I/O setup...more
Modbus Subroutines - Not 'Running'
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This is our first time using an Opto22 ‘Modbus Subroutine’ - “O22Modbus04ReadInputRegistersAsInt” We will be interfacing with a small Nanotec motor that will drive an Actuator, so we will need to...more
What is recommended method to share I/O point between Epic and PAC-R1 controller?
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I have 2 systems in the same building, one is running on an Epic PR1 (Fertigation machine) and the other a PAC-R1 controller (OzonePro machine). Both systems need to access the same tank level...more
Schematic and Wire Diagram Software
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We recently purchased a custom made packaging machine and I’m planning on making several minor additions and modifications to the machine. I’m not a machine maker and am brand new to automation...more
-32768 for your analog input value
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The default out-of-range value for an analog input values for our SNAP and E1 / E2 brains, as you may know, is -32768. This could potentially be problematic if you happen to want to scale a point to,...more
XVAL zero in case of no physical connection
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Hello, I am Using SNAP-AICTD card on rack with R2 controller. I am facing the issue regarding XVAL. My problem is when there is no physical connection on my channel at that time it shows some random...more
Access EPIC IO from Ignition
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Hi, Is it possible to access any IO from Ignition? I didn’t find any solution other than using OPC with a Codesys program. Thanks,...
Staging Submersion Heaters to operate on/off like an Hvac system
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I currently have my heaters designed to turn on and off based on a certain temp (the low and high setpoints of that temp). But I need them to actually regulate the temp and turn on and off as needed...more
Using PAC Controllers and Brains as Gateways (serial to ethernet)
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Germinal is an Opto 22 integrator over in Florida. He wrote the following tech-tip up as a blog entry, but Mary and I felt it was better as a forum topic. Over to you now Germinal… Using PAC...more
Remote Groov Hardware
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Can anybody tell me if there are any plans for a Groov communication brain? Something akin to the SNAP-PAC-EB line? I have some applications that will require multiple Groov chassis and I’d love to...more
A question about ODC5R
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A question about ODC5R The customer used ODC5R to control the DC24V relay. It has failed for two ODC5R in two consecutive months. Each ODC5R module has been in normal use for about a month...more
PAC Control Chart Paused
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Hi Everyone! My Charts were paused automatically and ruined the whole process for me, any idea what could’ve caused that?...
CODESYS Shared I/O Question
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I know that it’s ideal with have each module on an EPIC rack communicate with a single control program, but there are cases where it is very convenient to share a single input module between two...more
.NET OptoMMP SDK
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Hi, I’m working with the latest .NET OptoMMP SDK (R3.0.7.0), and have some questions regarding the API: public int ReadHighDensityDigitalState(int i32PointNumber, out bool bState); Why is there not a...more
Ethernet/IP using Opto but not AB
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I have a contract to retrofit a system that I installed back in 2000. The existing system uses PAMUX I/O connected to a PC using RTX ( www.intervalzero.com ). RTX is a realtime controller that is...more
S1 First Generation to PROJECTPRO R.10
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I have two first generation SNAP-PAC-S1 controllers that I installed in a system about 2007. The S1’s are communicating with some old B3000 brains using RS-485. Well, they want an upgrade as simple...more
Epic PR-1 (no I/O) with Snap EB1 remotes comm loss
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I have a small development system with 1 PR-1 (no I/O) and 3 EB1 I/O racks. All device ethernet connections are home runs to the network switch. In testing, if I disconnect one rack comm is lost to...more
Digital output in Normally Closed Configuration? - old forum post
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trtl360 Joined on 11-09-2004 Posts 2 Digital Output as Normally Closed A simple question about digital output cards. I need the contact to act as a normally closed contact. Is there a way to do this...more
CANbus Handshake?
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Currently, using one CANbus module, we are trying to do a handshake to a system control unit. Only way we can see to do this with your design is to run a loop where we: turn off canbus reception...more
GUI/HMI Options for your brain
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We recently had this question come in and I thought I’d share some ideas, see if other OptoFans had some to add: [INDENT]“We have some SNAP-PAC-EB2 hardware and are trying to decide between Python...more
SNAP PACK R2 as Modbus TCP/IP salve
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Hi support team We are using Snap pack R2 Controller with 32 channel Analog Inputs. I want to use Snap pack R2 controller as Modbus TCP/IP slave. I configured all Analog Inputs and also gone through ...more
Configure Epic Serial Module GRV-CSERI-4
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Hi all. I’m trying to use the Modbus Integration library with an Epic controller and GRV-CSERI-4 serial module (in slot 0). I’m having trouble figuring out how to configure the module, specifically...more
Wireless or radio I/O?
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I have a SNAP PAC in my greenhouse and would like to have wireless or radio analog sensors placed throughout the structure. They may move over time between plants. I didn’t see any solutions on the...more
Ignition / Cirrus Link reporting zero (0) after communication restored
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Not sure if anyone else has seen this behavior. I am having a problem that when a controller (PR1) comes back online in Ignition my integer values report zero (0) for one scan - it is possible non...more
RS232 to RJ45 on PAC-R2
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RS232 to RJ45 on PAC Controllers… is it possible without a serial to ethernet device server?...
Counter reading frequency instead
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I have configured a channel on SNAP-IDC5-FAST as a counter for 5V pulses. Initially it was working fine. I am reading this value on scada through OPC. Initially all was working good. i tried reading...more
Access Control Systems
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Is anyone using any OPTO22 product to operate an Access Control System? We would entertain Wiegland or RFID proximity cards and readers. Our application includes three walk through gates with mag...more
Thermocouple changing setting
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I have three SNAP-PAC-AITM8 cards in my system along with various other cards (analog, digital, etc.). The system is running a combustion system for testing. Lately, something is malfunctioning in...more
How Do you Wire Your OPTO?
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We are really happy with our Opto PAC systems, and comission new ones for plant efficiency improvement (cost reduction, error proofing) projects probably 5-6 times per year. Every implementation is a...more
MQTT Client Device
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I have a number of PAC R2s in the field and we are looking to implement MQTT. We’re currently running an Ignition 8.1 server with the Cirrus Link MQTT engine module. We haven’t settled on a broker...more
Ignition / Cirrus Link Variable Tables
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Strictly speaking this isn’t about the Onboard Ignition, but browsing other topics (like this particularly relevant one from 2017) makes me think I’m not too off-base asking here. Summary: I’d like...more
Replacing SNAP-PAC-R1 without any backup strategy
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Hello, I wonder how will the SCAP-PAC system behave in the following situation. We have an existing Cabinet with a SNAP-PAC-R1 as controller and have strategy running, 1 SNAP-PAC-R1 and 2 EB1 as...more
Digital I/O
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Hello New to this forum and also new to control system in general. I am an intern and started using your Opto 22 PAC Control Basic software last week, so still kinda new to all this. I’m sorry ahead...more
SNAP-ODC5R Fusing at low voltage/current
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I am using a SNAP-ODC5R normally open relay to switch a USB peripheral on and off. The voltage is 5V and the current is low. The specifications rate the relay at 5V 500mA but after many (hundreds) of...more
Whats New in Pac Project 10.5
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Hi Ya Forum Fans. Heads up! There is a new version of PAC Project out. Typically, a point release has some bug fixes and perhaps a new feature or two. But this one packs enough of a punch that I...more
Rio or Epic with flame detector
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Greetings. We inherited some flame relays made by Krom Schroeder (model IFW T-N). In a nutshell, these are small 120 volt devices used for the monitoring of gas burners. From the brochure...more
What is the fastest DataLogging rate for the Opto22 Historic DataLogger?
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Hi All, This question is for the support personell at OPTO22. Does the OPTO 22 people have any information regarding what is the fastest reliable DataLogging rate for the Opto22 Historic DataLogger?...more
LabView users out there?
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Hi All, One of our customers had a question about using LabView, specifically with an E2 brain. There are a few possible methods–I remember helping one customer YEARS ago, use our ActiveX. But now we...more
Groov Manage API Question
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On a previous post about reading a R-1 scratchpad value from Node-RED, @Beno said the following: Node Red and the R1 Scratchpad you might be able to use the api/v1/io/{device} to specify the R1...more
RS232 Programming/Steps Example Desired
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Hi All, Is there any example that goes into detail on RS232 Communication Programming for the Opto22 programming language? Specifically, I’m looking for: Recommended programming procedure...more
Programmatically check port status with npm portscanner
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To check if a port is open or closed on some device I usually just open the firewall settings or use the command line, but shouldn’t there be some way to get that information programatically with...more
Groov RIO Local IO within Ignition
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I am struggling to see the Local IO channels from my groov RIO while using the Ignition designer. I have tried 2 different methods with no success as of yet. On the groov RIO, using groov Manage...more
What is ARCNET?
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What is ARCNET and what would cause excessive reconfigs? A bad switch? Faulty EB2? Program bug? There is a new reconfig about once/sec. ...
Modbus devices -- what do you use?
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Hi OptoFans, Which Modbus devices have you used and for what applications? Please give part numbers and serial vs. TCP, as much detail as possible. Were they easy to configure? Reliable? Something...more
Event triggered Log File
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Hi everyone. Background first – New to OPTO 22, SNAP PAC training scheduled for July, but need to start sooner… I am trying to set up an event triggered log file so I can save the entire time...more
Max performance on pulse counting?
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Have you published a benchmark for the speed of the Epic? It is very hard to know what this CPU is capable of when trying to apply it to high speed applications. I need an actual example of a...more
Profibus Module SCM-PROFI
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Ok Mary, I might need some help on this one. I tried searching for Profibus in forums but got nothing. I am connecting the module to two Kollmorgen drives and need to get started on the code. I...more
Outputs quit working
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I have a client that is having a problem with a SNAP-PAC-R1 in a 12 Slot rack. They were running the machine and all of a sudden all the outputs quit working. The output cards are SNAP-OAC5 (total of...more
Wind speed, direction, rh, bp, precip?
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Hi All Running a Groov Epic or R1, or Brain, what equipment would you recommend for setting up wind speed at all locations with a R1 or brain, and a full Weather station at the Groov location? I am...more
Selectively Play Audio File
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For example, a fire occurred in Room A. Smoke sensor is triggered, would it be nice if Groov EPIC can access speaker and play a recorded audio saying that there is fire in Room A....
Groov RIO device as remote I/O module in compactlogix system
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We have a customer application where they would like to hardwire analog outputs from a control logix system into a remote I/O device that will interface with a separate compact logix ethernet network...more
IP watchdog time out with ping. - old forum post
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kulminati Joined on 09-05-2008 Posts 2 Kindly Help Hi all, I am VERY new to Opto 22 so please forgive me if my questions seem elementary. I recently have come across a problem that I could use some...more
Using a USB hub in PAC Control
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I’m using a groov EPIC (3.4.4-b.128) and PAC Control Basic (R10.4C). My goal is to use a powered USB hub and several USB to serial adaptors in order to imitate a unit in the field (that’s using a GRV...more
ScratchPad Refresh Rate OptoMMP
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Hi All, I have a code in SNAP PAC R1 which updates an Integer in Scratch Pad every 1 second. It increments the integer. Now i have a python OptoMMP code which reads the scratchpad every 1 second and...more
How to read AI/DI from SNAP-PAC-S2/EB brains to a local server without changing the running strategy? + HMI brand compatibility
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How to read AI/DI from SNAP-PAC-S2/EB brains to a local server without changing the running strategy? + HMI brand compatibility Hi everyone, I have a SNAP-PAC-S2 running a plant process (cannot be...more
Communication with can interface
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The customer has several CAN interface devices. Can I use R1 controller to complete data communication? If I can, what should I do?...
VFD Speed controll
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I want to controll a VFD (AC Drive) through Snap pack software and controller, but I’m stuck can’t figure it out how, now I use a potentiometer connected to the VFD to speed it up and down I’m...more
EPIC will not boot past white screen
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We have an EPIC running 2.02-b.139 (yes, we are planning to update to the latest v.3). We moved it from one location in the plant to another, but cannot get it to go past the screen shown below...more
Opto .NET Controller SDK How to Read Digital/Analog Point
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I’m using a SNAP-PAC-R1 and am using C# and the following is the code I currently have that I have verified will turn on a discrete i/o point “Sphere_6” I have named in my strategy file via a button...more
Updated door access control sample
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Is there an updated door access control sample available? The one available for download is for the ADS Brains and needs to be changed to work with the R1. It would not be difficult to make the...more
Traffic sensing loop
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Hey there I am looking to make a traffic sensing loop, with noification , when i google traffic loops i get network traffic with a pid loop, Help? Thanks...
How to map/move AB/Siemens PLC tags to PAC Control tags via Expression tags in Ignition Edge
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UPDATE July 2024. This method only applies to Ignition v7 (Which is currently EOL and will be sunset at some future date). Overview. If you need to perform some calculations or do some other data...more
When the system working,all input signals of analog Pulse break
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The input signals of analog quantity such as pressure, frequency of frequency converter, etc. are disconnected aperiodically, which results in abnormal operation of the system. What could be the reason?...
Read and write I/O value on an opto22 R1 brain with labview through ethernet
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Hello everyone, For a project, I would like to use an opto22 as a DCS and a PC host with labview to command & control a cooling system. I have a R1 brain with some analog and digital I/O and I would...more
Expanding PAC Manager
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Customize your PAC Manager menu options for easier data entry! Those of you who happened to read the new “Wireless Ad-Hoc Mode Configuration Tech Note” (form 1970), might have noticed a trick we did...more
Talking to another PAC Controller via Ethernet TCP
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So I have 1 SNAP-PAC R1 A that I want to talk to SNAP-PAC R1 B via tcp/ip. I see examples of passing strings to one another, but I want to send commands from A to B. I want to be able to turn on a...more
Missed Events With Polling /api/v1/io
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We are using the new IO nodes for Node-Red, and are concerned about polling performance with a loaded EPIC controller. The concern is with input nodes. Each channel starts a 1 second poll using /api...more
Timer Resolution?
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Good morning! I am designing an updated control system for a local race track, and I need the timing system to have a resolution better than milli-second scale. Is there a way to access faster...more
R1 + SNAP-SCM-485-422 "Turnaround Time"
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Hi All, I’m using a SNAP-PAC-R1 and a SNAP-SCM-485-422 to communicate via RS485 (2-wire mode) to a custom I/O controller on a machine. When the R1 issues a command that requires a response I found...more
Measure battery bank voltages
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Is it possible to take the individual analog value of a set of batteries (12 Vdc in series, example 4 batt), through voltage dividers with a single RIO?. What would be the correct connection diagram?...
Advice for opto22 beginner
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Hello everyone. I’m new to opto22 equipment and seeking advice for the groovRIO. I have a project where I need just a couple each of analog current in and out, voltage in, and discrete in and out. I...more
Modbus/TCP read of counts for E2 channel
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Hi. I need to read the ‘Count’ value for Opto22 E2 AD6 analog channels. I have used Modbus/TCP in the past to access high density digital points and analog counts on a B3000, however I have been...more
Simulation/Testing
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Is it possible to read the digital and analog IVals using the OptoMMP2 .NET SDK? I have a strategy running simulations in an R2 without any actual I/O modules. I usually have a variable in the...more
Flow to open solenoid valves on prescribed interval using Raspberry Pi
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I am planning to purchase OPTO-P1-40P andSNAP-D4M and will run Node-RED on a Raspberry Pi to do a simple program. I have some of it figured out, but a few areas need some help. Here’s what we have...more
Multiple Shaft Speed Monitoring Help Please
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I’m using Pac Control Basic (Version R10.5b) to “try” to create a project to read the speeds of up to 64 shafts. I found some great information on form 1784 "RPM Measurement Techniques. Due to the...more
Analog input filter weights
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We have a system with various brains, controllers, etc. To set up filtering of analog input channels we have used the “Set Analog Filter Weight” command to specify filter weights for all analog...more
Any way to restore file
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I need assistance regarding a SNAP-PAC-R1 controller that has stopped responding through the RS-232 serial port after being disconnected from the power supply for an extended period (+4 years). Issue...more
PID Scan Counts
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A customer called me with a question about a SNAP PAC program. We didn’t write the program, it was someone internal who isn’t available anymore, but they knew we’ve used Opto products before so...more
PAC-R2 communicating via Ethernet/IP, CC-LinkV2 or DeviceNet
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Hello, We have a machine with a Keyence LR-W70 full spectrum sensor. Configuring this sensor with it’s onboard controls for each production job is problematic and time consuming. I talked to my...more
Need To Write A Specific Number of I/O's using Move Numeric Table To I/O Unit Ex
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Hello, I need help with using “Move Numeric Table To I/O Unit Ex” to limit it’s range from writing to all 16 slots of my I/O rack to only the first 14. I have been using the instruction “Move...more
Analog Totalizing 101: calculating watt-hours example
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Measuring values over time - let the “brain” do the math! In [U]this OptoForum post[/U] we looked at digital totalizing, where we let the brain do the math to measure the On Time of a pump. But...more
SOFTPAC making use of the PC COM Ports
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Hi, Can Sofpac send and receive data from the PC COM ports much like we reference Comm ports with R2s and S1s usinf the ser: comm handle? Thanks Pons...
Reset controller from software?
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In OptoControl there used to be a command that would reboot the controller from software. I don’t find a command that does the same thing in PAC Control, but I did find the MMP address F038 0000...more
View speed and length measurement
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I want to connect an encoder (1024 pulse per rev;A/A-; B/B-) to view speed and length measurement, length increases and decreases; like 0 - 500 meters, stop, 500 - 350 meters, stop 350 - 400 meters...more
Restful API with Expressjs/Angularjs
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Hello, I’ve been using Node-Red for a while but I would like to build a web app that talks to my snap-pac-R1 controller without using Node-Red. I read the Restful Api documentation and went through...more
Monitoring SNAP PAC via Modbus RTU
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I am currently working on a job. I am trying to monitor some data from a SNAP-PAC-S1. I was not involved in the setup. I am told that the current configuration is that the system I am monitoring is...more
PID Cascade Help Needed
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I need help with cascading a PID loop. I have a double boiler type system where I have two polypropylene tanks, one inside the other. The outer tank has the heater installed and uses water. The...more
C++ OptoMMP SDK function for getting/setting engineering units?
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Hello, I was wondering if there was a function/method that was part of the C++ OptoMMP SDK that would allow you to either set and/or get the engineering units for a given channel. Basically looking...more
G4 reg question. - old forum post
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bevanwi Joined on 11-19-2007 Posts 1 G4 I/O paired with Factory Floor I work in a lab that has ~26 individual OPTO22 control systems. The systems control bench scale refinery units. All of the I/O is...more
Groov RIO in the flesh
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I have a working unit on my desk, so feel free to ask any questions and I will do my best to answer them. image700×1081 225 KB You can read about it in our blog post here; https://blog.opto22.com...more
Fastest data rate to Ignition
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I have pressure test application that requires real time high resolution trend graph and trend reporting feature from a Pressure Transmitter. For proof of concept, I have EPIC setup to generate tag...more
USB to Serial adaptor support for AR1
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Super super super excited to let everyone know that groov Admin update v46, now supports genuine FTDI USB to Serial adapters. (Log into your Manage.groov.com account to get the update). This means...more
KY or KYZ pulses from utility meter
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A few people have asked the following question. “When offered the choice between KY or KYZ pulses, which should they chose to wire into their OptoEMU Sensor”? Before we answer that question, let’s...more
OPC-UA Feature Request
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I would like to request a feature to allow all OPC-UA tags from the Ignition Edge to be automatically populated and continuously updated on the Variable tags for use within PAC control. OPC-UA is...more
R2 won't auto-run
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I have an older SNAP-PAC-R2, from 2013 (S/N 674XXX), and it doesn’t want to auto-run its program even though it’s being (supposedly) stored to flash, and has the auto-run box checked as well...more
Download Strategy to SNAP PAC R1 Controller
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Hi everyone, I am writing this since I am completely new to OPTO22 hardware and software and my question may be very simple but I have doubts on how to download my strategy into the controller I am...more
Add zero speed timers to optoscript
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Hi I am having a difficult time getting the zero speed timers to work correctly using optoscript. I am measuring the rpms of 4 shafts. I can get the rpm measurements but if the shaft stops it just...more
EPIC as DNP3 Server/Slave
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Hi All, Before I begin, I want to clear up terminology based on my understanding. Master DNP3 = Client Slave DNP3 = Server/Outstation I know Opto22 has DNP3 integration but that is for SNAP...more
Optomux in PAC
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Is there anything developed to talk via Optomux to B1 & B2’s in PAC Project? I noticed that PAC-INT-OMUX is not available. Has it been replaced? I have customer facilities that make it difficult to...more
AMR meter reading sub or Chart
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I looked in forums and the only thing I could find was the discussion on M-bus which is the European standard for reading water/gas meters. The US standard is the Sensus ICE Register which is an...more
Multiple R1's for semi-redundancy
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New to the forum. Did some work with a LCSX and Factory Floor, but new to the PAC platform. I have a project I am working on that I am looking for some guidance. I will be using two 16 ch. racks. Is...more
LCD or LED display via RS-232?
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Hi OptoPals, Any suggestions for a small (cheap!) little display, perhaps RS-232, for someone who wants to display just a line or two of info from a SNAP-PAC-R? (We’ve used various LED or LCD...more
Strategy and chart running but logic not executing
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Hi all, I am new to Opto 22 PAC software development (liked the flow of it, makes it easy to understand actual process) and on this forum. We are using SNAP-PAC-R1 controller and PAC control...more
Brain vs Controller
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I am a total newbie to OPTO22 but not for PAC’s DCS’ & PLC’s. Just recently inherited a customer that is using PAC systems R1 controllers and EB-1 Brains. They have given me the downloaded strategy...more
Questions About the EPIC
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So I am putting together a project to use the EPIC as my processor. I have a few questions that I am curious to see what the Community has to say about it. I have 3 facilities 2 of them are...more
B3000 IRQ signal uses
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I see the IRQ line in the wiring but find no description of it’s use by user programs. Any information on what if any use the IRQ line has for a user application. Is there a way to minimize serial...more
Unknown board - 80659B - Please help reprogram
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Can someone help me identify this board? It came inside a network rack with keypads and solenoids installed for keycode entry and I want to be able to program new codes. Rack and controller pics...
Are the 4-channel SNAP digital input cards interchangeable?
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Good morning, We’ve been using the standard SNAP-IDC5 input card to “count” pulse signals from a water flow paddlewheel sensor to calculate the flow (at fairly high speed, e.g. 93 pulses = 1 Liter). ...more
Command GetNumCharsWaiting() in Subroutine
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I have a subroutine that opens a TCP pipe to an Ethernet device. The process for the subroutine is: Open a TCP pipe to the ethernet device Send a command string to the device. Check for a waiting...more
Redundant 5VDC power supplies
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Has anyone ever had the need to have redundant 5VDC power for an Opto Rack? I’ve used QUINT DIODES from Phoenix Contact on 24VDC supplies, but I need to locate something for 5VDC. Are Opto 5VDC...more
RIO as a remote I/O
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Hi Opto22 experts, How many of RIOs can put as a remote I/O per one of EPIC. My BAS system got more than of 30 RIOs at the moment.(in the conceptual designed). Thanks for answers....
Porting C# application onto GRV native linux
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I have a c# application that is running on an embedded PC which uses the .NET SDK (the dll) from Opto22 to gather data from I/O processors such as the SNAP-PAC-EB2. This application then interfaces...more
Opto22 emu-snr-dr2
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Hi, Can anybody give me a helping hand I’m currently using OPTO22 EMU-SNR-DR2 receiving data over Modbus RTU on Serial port. The Modicon addresses are 300001-300053 for my Modbus slave node...more
Off delay on DI
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Is there a simple way to add an off-delay to a digital input without pausing/slowing down the chart? delay_off2.png678×702 54.7 KB ...
PR1 running Codesys and RIO2 as remote I/O
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Hi, Please can someone help with the red field? messageImage_16719431037881878×852 157 KB messageImage_16718679248471138×371 62 KB Just a bit worry because we are going to deploy this to customer...more
Redundancy Option Kit for Groov EPIC?
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Anything planned for Groov EPIC that would add the functionality that the SNAP-PAC-ROK offers for SNAP PAC S-series controllers? I know the Groov controllers can do a lot more than the S-series...more
Optimizing Node Red Flow
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I have a Node Red Flow that is doing a couple dozen writes to scratch pad per second. (or is supposed to…) It seems to have trouble getting all of them done. I suspect writes are getting queued, but...more
Talking to a Mettler Toledo JagExtreme. - old forum post
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Roy Matson Joined on 04-12-2007 Posts 1 Ethernet to Weigh Scale Hi, I need an example of how to set up the communications to 3rd party Ethernet device. I have a Mettler Toledo JagExtreme weigh scale...more
Communication between SNAP PAC S1 and AB PLC
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We are building a water plant in the Bahamas and we designed and built the equipment and are doing the controls with OPTO22 hardware and software. We have a number of cabinets with EB1 brains on IO...more
PID Scan rate: why use 1 second?
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Hi All, For you PID users out there – do any of you use something besides the 1 second default for the Scan Rate? I ask because there’s been some different opinions on what it should be. Some claim: ...more
Speed tips
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Hi first time poster here, part of our application regards turning On/Off green/red lights with regards to a door being open or closed. Since we have lots of doors and lights distributed between...more
Can I use OptoMMP to write to/read from a Strategy running in SoftPAC?
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I have a Strategy that runs on a PAC R controller. I’m writing a simulator that will talk to this strategy while the strategy is running in SoftPAC via Winsock. I read in document #1465 that...more
FlowFuse device-agent
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Is anyone running the FlowFuse device-agent on EPIC or RIO in lieu of the Node-RED environment available natively on these devices?...
Groov EPIC Performance Issue
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Hi Team, I was hoping to get some general advice on performance and speeds. We currently have 8 charts running on PAC control and very little code in node-RED, which is just logging to a SQL database...more
Performing Statistics on Input Values
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Hi, I’ve just started using Opto, as it was recommended & procured by my company for a control system project. I can not find any built-in command that allows for the calculation of the average/mean,...more
SNAP-PAC-EB1 Install Firmware via Ethernet Passthrough Connection
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We configure our EB1’s with a non-routable ip address common to the controller’s ENET 2 port. By doing so it keeps all the i/o traffic local and isolated…straight out of the SNAP PAC User’s Guide...more
Using Opto to gather data from RS232 based systems(ProWin)
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We have moved a lab from another state in with us at my location and they use proprietary(Proger) devices ran by a software called Prowin. Everything operates via R232 connections and the software...more
Groov View tags to IO
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Hi everyone, I have a question regarding the efficiency of using Groov View IO tags vs variable tags on the Epic. I have often been using IO tags directly in my Groov View projects, in an effort to...more
Groov as an autodialer?
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Has anyone devised a way to use a groov box as an autodialer substitute? We have an upcoming project to update an I/O panel; one of the jobs the panel handles is sending alarms to an old-school...more
SoftPAC - multiple instances?
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Hello, We have a rather complex application which uses 2 to 6 PAC controllers, lots of I/O attached to them and a proprietary HMI that talks to the strategies on the PAC boxes. I need to write a...more
Barcode Application Ideas
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I am thinking of implementation to track a product along the production line by scanning a barcode on each of the different steps. Any idea what input device I may need and how to get the data into groov System?...
Advantech ThinClient touchscreen to run PAC Display?
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Anyone have any experience or advice for this? I have used Advantech’s WebOP touchscreens in past projects, but they could not run PAC Display. It was really rather a clunky setup putting variables...more
IEPE sensors to groov system i/o
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Hello, Can I use the sensor below with groov system i/o? I do not understand the term constant current source. Please someone advise. Screenshot 2023-09-09 0605341393×682 124 KB Thanks...
Modbus open communication timeout is too long
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Is there a way to decrease the time that PAC Control is allowed to run the OpenOutgoingCommunication command before it will determine that the unit is not responding and produce a -412 error? I have...more
High Speed Digital Input
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Hello, In my application I am going to need to both totalize gallons and produce gallons per minute based on a high speed digital input block I am going to install. I am using the IDC5-Fast. I have...more
"Set I/O Unit Configured Flag"
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Posting this on behalf of a customer that came through our training program a few months ago… He’s got two controllers talking to the one rack of I/O. All SNAP hardware (two PAC S1 controllers and an...more
Speed test example to test execution speed SoftPAC vs R1
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Code for SoftPAC (Computer running SoftPAC and Display Runtime on the same PC) IncrementVariable(Scan_Time_00); //Executed every scan If (Comm_3_Timer == 0) Then SetUpTimerTarget(1.0, Comm_3_Timer...more
PAC Control 10.2 undefined command on new computer
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I’m working on a new project in PAC Control Basic 10.2 that I’ve been developing on my laptop. I’m fighting PAC Display on an issue and wanted to test the project on my desktop. I’ve transferred the...more
Need advice for a factory floor match / no match system
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Hi, We want to collect data (raw material lot codes) and input them into a PC for a match / no match analysis. We will use a cordless bar code scanner to scan bar coded lot numbers into a PC app for...more
Groov EPIC data to Nodered
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Do we require to purchase SSL or CA Certificate for testing Groov EPIC data into Node Red through PAC Read or PAC Write node? Is there any way for testing without purchasing that certificate? so we...more
Epic to BacNet using Node Red
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My use case was being able to monitor a small number of objects from an Epic with my building automation system using BACnet protocol. I was able to accomplish this using Node Red. To get the set up...more
Groov EPIC 3.4.0 Firmware released
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Greetings Opto Forum Fans. We have yet another tasty EPIC Firmware release for you to sink your teeth into and push your data in more ways than ever. The big news with this release is the addition of...more
Ignition Designer in Groov
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I see that you can get into Ignition Designer if you’re running Ignition Edge. Is that a fully functioning version of Designer? Can I use it to create a UI that I can use instead of Groov build? I...more
Totalizer value clearing at Download
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I have noticed that the Analog Totalizer value clears when the Strategy is edited and downloaded. Is there a way to prevent this from occurring? This makes it challenging to make code edits without...more
Amazon Alexa / Echo controlling Opto Digital Output - How To
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Had a bit of fun over the weekend… Got my Amazon Echo controlling a digital output on my garage rack of Opto 22 I/O. First the hardware. I have a free standing bank of 6 fluorescent tubes to use as a...more
E-mail configuration
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[B]Hello, I have an opto22 SNAP-UP1-D64. I did a program with IoControl and I did the HMI with IoDisplay. I would like that the opto22 send a e-mail when an alarm occurs that is to say when a digital...more
PAC Display Runtime running very slowly - displays freezing
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Hello, All. I just added a new PC to a system mainly to provide a way to drive a 4K display with PAC Display. Up till now, I’ve been using an old PC with Win XP on it, and thus limited me as to what...more
Slows down with uptime
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I have found my groov AR1 starts responding slowly the longer it is running without a reboot (around 2-3 months). Eventually tags stop working and I have to reboot it, then all tags work again and...more
Data Logging using node red
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Hi team, I am using Groov-Epic PR1 to read the modbus data over TCP/IP. Right now i read total 20 tags from the 2 devices and my response is satisfactory and further to this i will logged my data in...more
Fast vs. Very, Very Fast
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I have been working on a CNC controller for quite some time. I am most interested in the speed of the entire process and what it takes to increase the speed of that process. When I say speed, I am...more
Circumventing scratchpad bit limitations
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I need to configure 40 event messages to trigger under different situations on an EB2, but I don’t have 40 scratchpad bits available (event messages only trigger on scratchpad bits as far as I can...more
Error code decoder
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EDIT. Aug 2020 Massive update to the list. (See below for the PID loop errors). I’m guessing many of you have used the handy feature in PAC Control under Help > Error Lookup which takes an error code...more
Unsigned Integers
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Hi, First post in this Forum, but a long time user. I have an application where I need to use Unsigned Integers (UIs) and carry out, amongst other things, some logical operations on them...more
Sunrise/sunset times
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I’m working on a SNAP-PAC project involving some lighting controls and I’ve run into something new (to me) that I hope someone else out there might have experience in to guide me through. Some of the...more
Best way to detect if communications is lost between Controller and Brains
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Trying to see if there is a tested and fool-proof method of detecting loss of comm’s in a Snap Pac System. Current System: R1 Controller EB-1 Brains ( in 10 different Locations) HMI All on the same...more
Peer-to-Peer - how do YOU do it?
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I’ve been looking through various requests for Advanced Training and the requested topics are wide-ranging. One topic that comes up often is Peer-to-Peer where devices share information with each...more