Opto22 - Resources & Tools

Downloads - 2/5/2020

This download contains current firmware for the GRV-IMAI-8 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware readme document.

POP Compliance Statement

Documents - 2346 - 6/30/2020

This document is a statement from Opto 22 about compliance with regulations from the European Union (EU) regarding Persistent Organic Pollutants (POPs).

CAD Drawings: groov EPIC System

Downloads - 6/30/2020

This ZIP file contains drawings in a variety of file formats for groov EPIC products, including the groov EPIC processor, chassis, groov I/O modules, power supplies, and more, all in one download...more

Channels May Randomly Return QNANs

Knowledge Base - KB89041 - 6/25/2020

A GRV-IRTD-8 channel configured for 1000 Ohm Pt 3-wire (°C) may randomly return QNAN values when the input is between -1.0 and 0.0 degrees C.

Large Arrays Written to Numeric Tables Incorrectly

Knowledge Base - KB88804 - 6/23/2020

When you write a large number of elements (greater than approximately 100) to a numeric table, the elements may be written in the incorrect order and some of the values may repeat.

groov Manage Shows "Server Offline" When Configuring GRV-ITR-12

Knowledge Base - KB88909 - 6/25/2020

In groov Manage, when you are configuring a GRV-ITR-12 to 3K Thermistor curve, groov Manage displays the red "Server Off Line - Data May Be Stale" banner.

GRV-ITR-12 Module Firmware

Downloads - 6/25/2020

This download contains current firmware for the GRV-ITR-12 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware readme document. You can...more

REST API Calls Become Unresponsive

Knowledge Base - KB89052 - 6/25/2020

When an HTTP request terminates abnormally, the SNAP PAC RESTful API may become unresponsive and result in an error code (often a -5, failure).

Possible Erratic Behavior when Running PAC Control Strategy with Mistic I/O

Knowledge Base - KB88956 - 6/16/2020

Mistic PIDs Reconfigured when Communication to I/O Unit Re-enabled

Knowledge Base - KB88944 - 6/16/2020

If RIO Channels Changed from One Supported Combination to Another Supported Combination, Errors may be Reported

Knowledge Base - KB89073 - 6/17/2020

B3000-B-OMUX Brain Firmware

Downloads - 7/19/2018

Firmware for B3000-B-OMUX brain. For details, see the firmware Readme.

MQTT with Broker Using SSL does not Publish Topics

Knowledge Base - KB89005 - 6/9/2020

If you configure MQTT with a broker that uses SSL, the configuration will save successfully, but the topics do not get published.

Reconfiguring a DI Channel May Clear the Feature Parameter

Knowledge Base - KB89047 - 6/9/2020

If you previously configured a discrete input with a feature (counter, frequency, etc.), then you later reconfigure that discrete input without changing the signal type, it will erroneously clear the feature configuration.

Can't Communicate with GRV-R7-MM1001-10

Knowledge Base - KB89039 - 6/9/2020

Instructions for RIO Firmware Update are Incorrect

Knowledge Base - KB89011 - 6/9/2020

In the Updage page of groov Manage (from Home, click Maintenance > Update), the instructions along the top of the page state "Sign into manage.groov.com to get the latest groov RIO system update."

Number of Supported PID loops Value Incorrect in Memory Map

Knowledge Base - KB88994 - 6/9/2020

The number of supported PID loops value returned at OptoMMP memory map address 0xF030 011C is incorrect. It shows 96, but the correct value is 4.

Opto 22 Product Philosophy

Documents - 2339 - 6/2/2020

In 1974, engineer Bob Engman started Opto 22 with just 22 products: optically isolated solid-state relays (SSRs) manufactured for better reliability using a new potting process he helped invent. ...more

GRV-ITMI-8: Configured for type B, provides mV instead of temperature

Knowledge Base - KB88652 - 5/30/2020

When a channel on a GRV-ITMI-8 module is configured for type B thermocouple, it provides millivolt values instead of temperature values.

Errors after Updating Library Package for CODESYS

Knowledge Base - KB88719 - 6/11/2020

groov View hidden gadgets prevent mouse hover effects and clicks for gadgets lying underneath

Knowledge Base - KB88979 - 5/18/2020

If a gadget is covered by another gadget that’s been hidden using a Visibility tag, the gadget underneath the hidden gadget will not react to mouse hovers or clicks.

After PAC Control strategy is updated, groov View reports tags not available

Knowledge Base - KB88974 - 5/18/2020

If you rename tags in a PAC Control strategy and update that strategy in groov View, groov View may continue to try to use the original tag names. Affected gadgets will show yellow triangles and report...more

groov View: OPC-UA servers may return UnsignedByte values when Byte values are expected

Knowledge Base - KB88928 - 5/18/2020

Gadgets connected to Byte or Byte Array tags on an OPC-UA server may show a yellow triangle, with an error message like this: The string is configured as a INT8_ARRAY, but the type returned from the server is UnsignedByte.

Press Release: Opto 22 welcomes new Swedish distributor Modern Elteknik

Documents - 5/19/2020

Gothenburg-based distributor adds Opto 22 product portfolio, including leading technology products groov RIO® edge I/O and groov EPIC® for edge control.

SoftPAC ICS Security Issues

Knowledge Base - KB88435 - 5/18/2020