Opto22 - Resources & Tools

Link in email to open groov View mobile app

Hello All, This may be more of a feature request than an issue but here goes… I have an app where I am generating notifications that are being delivered via email. Most of the users who receive these...more

Opto 22 is hiring

Blog -

Opto 22 is actively recruiting for positions in engineering and manufacturing. Team Opto is continuing to grow and we're looking for enthusiastic and dedicated people who are passionate about their work...more

Weekly and monthly data tables

Forum -

I have started to log my water use at home. We installed a 1 pulse per gallon water meter, the output I have put to my EMU. (Yeah, it shows up as Kw in the EMU Sensor Manger software, but I don’t use...more

Another HTTP Web page scrape: of a Campbell Scientific CR1000 Datalogger

Forum -

Hi All, Recently helped a customer who needed a screen scrape of their little CR1000 datalogger (by Campbell Scientific). I found a ton of them out on the Internet logging all sorts of data (lots of...more

Installing and Configuring PostgreSQL on groov EPIC

Developer -

“PostgreSQL is a powerful, open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and...more

The Atlas Podcast talks tech trends

Blog -

Hear from Opto 22's Arun Sinha in the latest technology discussion on the Atlas Podcast. What technologies are emerging in automation, and how can they help you with your projects? The Atlas Podcast...more

EPIC and RIO Used CPU and Memory - Example Flow

Forum -

We have a flow to show you how much free disk space you have; Flow to get free diskspace from EPIC or RIO Node-RED EDIT. It seems that not every EPIC drive number is the same...more

PAC Display Vertical Label Range Max Value must be an integer?

Forum -

I’m just full of questions tonight, it seems. We often have process variables whose full-scale ends up being less than 1. Examples are chlorine concentrations or turbidities in drinking water. In PAC...more

Outbound! Monitor OEM machinery with little to no IT involvement

Blog -

Day in and day out, I work alongside machine builders who share a common problem: Once equipment has been shipped to a customer site, it is quite difficult to ensure that it is running properly and being...more

HMI error messages "No String Resource"

Forum -

Hello everyone, Im reaching out to see if I could get some guidance on a couple errors that we are recieving once we run a particular strategy. The first error is “No String Resource Found for ID -1” The...more

Analog Input Under / Over Range

Forum -

Hi OptoFans, One of our OptoPals asked this question re: under/overrange. The main thing that popped in my brain to watch out for is qnans, as I mentioned in the “SANITY CHECKING” of this post on...more

Using Port 502 for Modbus Clients on groov Devices

Forum -

Both groov EPIC and groov RIO (the whole family) are ModbusTCP slaves out of the box. They listen on port 502 and send the requested data back out that port. This is very powerful if you are needing I...more

I've just inherited this control/display project

Forum -

This previous post from an OptoFan wanting to add some logic to an existing strategy prompted this OptoNews [URL=“http://www.opto22.com/site/optonews/2012/optonews_04112012.aspx#ttip”]Tech Tip about...more

Modbus in the Middle -- leverage our built-in Modbus support as glue

Forum -

An integrator had: A. Some Modbus master (not sure if it was hardware or software, but it was TCP) B. One of our hardware PACs C. Another device that connected via serial (which happened to be...more

Line Printer - Need Help to Print Lines

Forum -

Hi Everyone, I have a project where I need to print one line at a time to an OkiData Microline form printer, every x minutes. In order to not print a whole form and print multiple statuses on the same...more

What are your favorite nodes & cloud services?

Forum -

Hi OptoFans, especially those who Node-RED, What Nodes (besides our SNAP and groov nodes) are you using? Here’s some especially popular ones I’ve seen in practice: Various databases (which do you use?...more

Case Study: Clearing Harmful Algal Blooms

Blog -

AECOM, Ecosa, ENGraphted, and Opto 22 team up for a new solution to a complex environmental problem. Harmful algal blooms (HABs) in lakes, rivers, and oceans are an increasingly severe problem...more

Top takeaways from the 2019 Ignition Community Conference

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Opto 22 engineers discuss the latest news and happenings from the annual Ignition Community Conference hosted by Inductive Automation. As an Ignition Onboard partner, Opto 22 was once again a part of...more

ICMP Packet Creation

Forum -

Using Opto22 Hardware, i am able to create SNMP packets which i use to monitor multiple devices. I am creating a script wherein, if in between requesting the parameters of the SNMP device, a...more

StrataVu brings an EPIC solution to oil and gas projects

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New Opto 22 technology partner Strata Innovative Solutions announces StrataVu: software that empowers programmers of all levels. Looking for an affordable way to manage and automate your well pads...more

OptoNews Tech tip: Eval() in OptoScript?

Blog -

Here's a tech tip for the more adventurous among you, who'd like to learn a faster, shorter way to code repetitious actions on similarly named variables or I/O. A recent post on the OptoForum asked for...more

Problems with security enabled objects in PAC Display and local PC accounts

Knowledge Base - KB80382 - 7/5/2023

Users and/or groups on a local PC who have been "granted access" for a security enabled graphic cannot execute the configured dynamic attribute at Runtime. When the graphic is clicked, a message...more

SNAP Ultimate I/O Learning Center Guide

Documents - 1408 - 1/5/2006

**This document describes an obsolete product, the SNAP-UIOLC. Form #1408 is still available, however, for customers who need documentation for the older product.** The SNAP Ultimate I/O...more

SNAP PAC Learning Center Data Sheet

Documents - 1639 - 7/21/2023

NOTE: Due to the unavailability of essential parts, the SNAP-PACLC is obsolete as of April 2022. This document will remain available on our website for customers who already own a SNAP PAC Learning...more

SNAP IO4AB Learning Center Data Sheet

Documents - 1809 - 2/22/2023

NOTE: Due to the unavailability of essential parts, the SNAP-IO4ABLC is obsolete as of April 2022. This document will remain available on our website for customers who already own this Learning Center....more