Opto22 - Resources & Tools

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 - 7/22/2020

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 Doesn't Correctly Display PAC Control REST API Swagger Configuration File

Knowledge Base - KB89053 - 7/22/2020

When you go to the PAC Control REST API reference (from groov Manage Home page, click Info and Help > REST APIs > PAC Control for groov EPIC), Swagger reports an error: "Parser error on...more

Can't Communicate with PAC Controller Even Though groov Manage Shows Running

Knowledge Base - KB89074 - 7/22/2020

You may be unable to communicate with the PAC Controller on the groov EPIC processor (for example, to download and run a strategy or connect with PAC Display), even though groov Manage shows that...more

I/O Point Mismatch Errors Generated by Some Discrete Channels on RIO

Knowledge Base - KB89102 - 7/22/2020

In PAC Control, if you configure a channel on a GRV-R7-MM1001-10 with some discrete signal types and features, PAC Control may show one or more "I/O point mismatch" errors in the error...more

Writes to Digital Packed Data Area of Memory Map Fail; Discrete Output Not Modified

Knowledge Base - KB89099 - 7/22/2020

If you write to the Digital Packed Data Area of the memory map (0xF1001800–0xF100183F), the writes fail and the discrete output states are not modified.

Get and Restart Measurement Commands Don't Restart Measurement Correctly

Knowledge Base - KB88608 - 7/22/2020

Some PAC Control commands are supposed to restart the measurement at the start of the next pulse or period. However, with this issue, if an on-pulse, off-pulse, or period is in progress, these commands...more

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 - 7/9/2020

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

Quadrature Counter Feature Not Set on GRV-IDCIFQ-12 Module

Knowledge Base - KB89087 - 7/22/2020

In a PAC Control strategy, if you add a GRV-IDCIFQ-12 module to an EPIC I/O unit, and add a channel on the module with the Quadrature Counter feature, the feature is not set on the EPIC I/O unit. When...more

Unpredictable Behavior With CODESYS Controller

Knowledge Base - KB89079 - 7/22/2020

If you enable the CODESYS Controller, you may see unpredictable behavior or services may become unreachable.

Quick Start Not Shown After Creating First User

Knowledge Base - KB89066 - 7/22/2020

After creating the first user on a groov EPIC (GRV-EPIC-PR1) or groov RIO (GRV-R7-MM1001-10), the user is supposed to stay logged in and taken to the Quick Start page. Instead, the user is logged out and returned to the log in page.

Require Password Change Option Doesn't Work

Knowledge Base - KB89064 - 7/22/2020

In groov Manage or groov View, when you create a new user ID and check the "Require Password Change" option, the user can log in without being prompted to change their password.

Enable Communication to I/O Unit Command Does Not Enable EPIC I/O Unit

Knowledge Base - KB89056 - 7/22/2020

If an error causes a groov EPIC I/O unit to go offline, the Enable Communication to I/O Unit command may not re-enable it, even if the error condition has been cleared.

Node-RED Stops Responding or Behaves Irregularly

Knowledge Base - KB89048 - 7/22/2020

After being signed into a groov EPIC (GRV-EPIC-PR1) or groov RIO (GRV-R7-MM1001-10) for two weeks or so, you may notice that Node-RED stops responding correctly or behaves strangely.

Firmware Upgrade: Upload Appears to Fail; User Logged Out

Knowledge Base - KB89037 - 7/22/2020

On very slow connections, a firmware update may end with a failure message, sign you out, and then return to the sign-in page. The update may continue in the background.

Configuration Changes Not Sent to RIO I/O

Knowledge Base - KB89035 - 7/22/2020

If you include a RIO I/O unit in a PAC Control strategy, the groov EPIC processor does not send the configurations to the RIO unless you restart the groov EPIC processor, download a new strategy, or...more

Incorrect Lower Limit on Type "B" Thermocouples on GRV-ITMI-8 & GRV-ITM-12

Knowledge Base - KB89030 - 7/22/2020

The lower limit for Type "B" thermocouples on GRV-ITMI-8 & GRV-ITM-12 modules was incorrectly set at 0 °C. The correct lower limit is 90 °C.

Incorrect Headers in Response to Authentication Request

Knowledge Base - KB88880 - 7/8/2020

In the response to an authentication request, the groov EPIC processor and groov RIO include three headers that incorrectly imply support for a feature that groov Manage does not support.

Open Outgoing Communication Command Does Not Create Directory; Returns -417 Error

Knowledge Base - KB88831 - 7/22/2020

EPIC Returns Error 500 Instead of 401 for Bad API Keys

Knowledge Base - KB88417 - 7/22/2020

If a client issues a REST API call to a groov EPIC with an incorrect API key, the groov EPIC returns an HTTP 500 error instead of a 401 (Unauthorized) error.

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

Knowledge Base - KB88956 - 7/9/2020

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

Knowledge Base - KB88944 - 7/9/2020

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

Knowledge Base - KB89073 - 7/22/2020