Resources & Tools

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groov RIO EMU Brochure
Documents - Published:
This brochure highlights some of the features of Opto 22's groov RIO Energy Monitoring Unit (EMU) (part number GRV-R7-I1VPAM-3). It lists a variety of use cases, summarizes how to include...more
groov RIO Brochure
Documents - Published:
This brochure explores Opto 22's groov RIO Universal I/O product line. The brochure describes the module's connectivity & configuration options, software capabilities, security features,...more
groov EPIC Brochure
Documents - 2396 - Published:
It’s not a PLC. It’s not a PAC. It’s not a PC. It’s an Edge Programmable Industrial Controller (EPIC), and the acronym says it all. This brochure explores all of Opto 22's groov EPIC product line.
Case Study: Farm Data Systems and Azcal Management
Documents - 2395 - Published:
View in html In drought-prone California, farmers walk a fine line on water use. Water costs, government regulations, and concern for future water availability all affect how crops are...more
OptoDataLink User's Guide
Documents - 1705 - Published:
This guide shows you how to use OptoDataLink, part of the PAC Project Software Suite, to collect and share data from Opto 22 SNAP PAC industrial controllers and other sources, and then send...more
Case Study: ALTA Refrigeration
Documents - 2392 - Published:
View in html What’s the secret to providing superior service and staying competitive in a changing market? Over ten years, ALTA Refrigeration has transformed itself from a custom engineering...more
Configuring Email Applications for Opto 22 Products
Documents - 2384 - Published:
You can use many Opto 22 products to send email notifications to keep engineers and technicians aware of important conditions in your system. For example: You can send email through a PAC Control...more
Case Study: Intrinsics Imaging
Documents - 2389 - Published:
View in html Intrinsics Imaging’s AI-powered Heijunka Vision analytics-as-a-service software replaces specialized, difficult to maintain machine vision systems. But when Intrinsics was...more
Case Study: Rust Automation & Controls
Documents - 2388 - Published:
View in html Remote I/O over MQTT helped Rust Automation complete a critical water management project for the Pinebrook Water District in Boulder, Colorado. Using a combination of Opto 22 groov...more
Using IEEE Floats in Opto 22 Products
Documents - 2386 - Published:
While computers, CPUs, and electronic devices store numbers in binary format, most often they represent real numbers as floating point numbers, or floats. For example, in industrial automation...more
SoftPAC: FTP dir command may return incorrect entries
Documents, Knowledge Base - KB90096 - Published:
In PAC Control, when you use the FTP dir command with SoftPAC, you may see that the return value may be more than the actual number of entries returned and, when the entries are written into...more
Time zone change that is set for 5th week may change prematurely
Documents, Knowledge Base - KB90047 - Published:
If you configure a controller to change time zone on the fifth week of the month, the time zone may change on the 4th occurrence of the day of the week, even if there is a 5th occurrence in the specified month.
SNAP PAC controller may show retry errors on local I/O unit
Documents, Knowledge Base - KB89971 - Published:
When running a strategy on a SNAP PAC controller and the strategy accesses local I/O, the firmware may place -539 (I/O error; performing retry) error messages on the message queue. These error messages should not occur on local I/O units.
Case Study: Building Secure Wastewater Management in the Cloud
Documents - 2368 - Published:
View in html Within municipal public utilities, Waterford Township in central Michigan, U.S.A., is known for its leadership and persistent innovation in water/wastewater management. In...more
groov RIO Energy Monitoring Unit Data Sheet
Documents - 2352 - Published:
This data sheet describes Opto 22's groov RIO® Energy Monitoring Unit (EMU), an edge energy monitoring module for industrial internet of things (IIoT) and automation applications. With a single...more