Opto22 - Resources & Tools

AutoCorrect Tags results file from PAC Display fails to open in WordPad in Windows 11 version 24H2 and higher

Knowledge Base - KB91094 - 3/27/2025

If you are using Windows 11 version 24H2 or higher, the AutoCorrect Tags results file in PAC Display (Tools > AutoCorrect Tags) fails to open, and an error appears.

The incorrect tag name appears in the Configure PID Loops dialog box in PAC Control

Knowledge Base - KB91079 - 3/26/2025

An incorrect tag name may appear in the Output column of the Configure PID Loops dialog box in PAC Control if the configured output is a TPO output.

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

White Paper: Machine Monitoring with Edge Devices

Documents - 2436 - 3/24/2025

Keeping machines running smoothly is at the heart of every industrial operation. Machine monitoring helps avoid unplanned downtime by providing the real-time insights needed to catch problems early and...more

Incorrect errors may be reported when validating recipe files in PAC Display

Knowledge Base - KB91112 - 3/24/2025

When validating an upload and/or download recipe file in PAC Display Professional, you may encounter incorrect errors regarding invalid control engines.

Optimizing MODBUS Flex Getter Nodes

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Hello, I’m looking for some advice on how to optimize the flex getter node. Currently, the implementation works quite well - until I cycle power on some of the devices. After cycling power, sometimes...more

SNAP-AITM and SNAP-AITM-i modules are misidentified in PAC Manager

Knowledge Base - KB91136 - 3/20/2025

In the Inspect mode of PAC Manager, the SNAP-AITM and SNAP-AITM-i modules are misidentified as “SNAP-AITM1” and “SNAP-AITM1-i,” respectively. This only affects how the...more

Opening a project that does not contain any windows crashes PAC Display

Knowledge Base - KB91128 - 3/20/2025

If you attempt to open a PAC Display project that does not contain any windows, PAC Display may crash.

Unable to open serial connection with Groov Rio

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I am trying to open a serial connection with the node-red-node-serialport node. When properly configured all I get is and error shown below. I can take the same usb serial device and use it with my...more

Com thru SCM 485 As Master needs reset

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We have a data acquisition system communicating with 20 Watlow F4 and Watlow F4T’s. We are using the Modbus subroutine as Master with a 3 wire serial drop to the slaves. We always leave the...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 uses...more

Teaming Up to Enable Digital Transformation & Unified Namespace

Videos - 3/17/2025

How can your operations achieve seamless digitalization and a path toward a UNS? Watch this webinar recording, hosted by Inductive Automation, for an informative demo.

How to Use a VPN to Securely Connect to groov

Videos - 3/17/2025

This video provides an overview of virtual private networks or VPNs.

Copy csv file to Pac R1 String Table and then back

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Ok, I am stuck…been a while since I used NR. I am trying to do a simple read csv file, then write it to an R1 string table, then after that I’ll try to write the string table back out as a csv file...more

Serial queue with RS-232 connection

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Hi all, I’m starting out writing my first PAC Control strategy and had a question about how best to handle communicating with multiple serial devices on the same comm handle. For reference, I’m talking...more

DCOM configuration issues for OPTOOPCSERVER

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While setting up new PAC Project I’ve gotten to the point where I need to setup our optoopcserver. I follow the instructions and do everything required to have a functioning opc server which serves...more

MFA for Groov Manage

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Has there been any update to MFA to access groov manage. This would be a game changer in terms of automation security as I have not seen many industrial devices use multi-factor authentication....

Send Historian data to EPIC PLC for Data Analysis

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I’m working on a project and I need your help. I have a client who uses a Tier 1 or 2 Historian to store all the data I need, and they also have live data. I want to be able to grab the last value from...more

Controller Firmware version as a Tag/Variable?

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Has anyone ever tried pulling firmware versions of the controllers into an HMI via a tag? We’re running Older Snap-LCM4 and Snap-Pac controllers, and I’d like to monitor the firmware currently installed on the controller and brains....

Imported windows with grouped PNG objects may cause PAC Display to crash

Knowledge Base - KB91044 - 3/10/2025

After importing windows that contain grouped PNG objects, PAC Display may crash when you attempt to cut or copy the objects, or when you attempt to save the project.

Codesys mmp read block issue

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I have a read block set up in my codesys program and have some values entered in the scratchpad to read. However only the first index of the scratchpad is read to the first element of the array. Here...more

DashBoard connected to SQLite Cloud?

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Need recommendations / opinions if my thoughts are in the right direction? New Project: I’m thinking about using a “Rio” and Node-Red to collect “Pressure” , “Flow Rate”, and “Daily Flow Total”. I want...more

Case Study: CryoPhit USA Delivers Advanced Automated Cryotherapy Solution

Documents - 2435 - 3/7/2025

View in HTML Based in Southern California, CryoPhit USA specializes in designing and manufacturing state-of-the-art cryotherapy chambers tailored for the fitness, health, and wellness industry...more

I/O server for LCM4

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Does anyone know of an I/O server that can pull data from an LCM4 controller over ethernet? We currently use an obsolete I/O Server called Mistic200, but it’s always buggy....

Strategy opens but with a chart error

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PAC Project 10.5, SNAP PAC R1 Strategy opens with an error stating “invalid file format”, “couldn’t open chart…”. Once the strategy is loaded, I can view everything normally except this one chart. An...more