Opto22 - Resources & Tools

Knowledge Base - KB90721 - 9/19/2023

You may experience random crashes in PAC Display Runtime (Basic and Professional) when moving windows or interacting with elements.

PAC Display Runtime may crash when ODBC database unavailable

Knowledge Base - KB90718 - 9/19/2023

PAC Display Runtime Professional may crash if there is a network error when attempting to connect to or communicate with an ODBC database.

Email notifications for triggered alarms inconsistently sent

Knowledge Base - KB90590 - 9/18/2023

If you have configured PAC Display to send emails when alarms are triggered, the delivery of those emails (especially subsequent emails for multiple triggered alarms) may be inconsistent and not coincide with when the alarms are triggered.

PAC Display Configurator fails to properly load .cdb files and tags

Knowledge Base - KB90500 - 9/15/2023

When attempting to load an OptoControl strategy database file (.cdb), you may encounter two error messages: “Unable to Load Board Objects” and “The selected Tag no longer exists.”

Control items in PAC Display do not fit in dialog windows

Knowledge Base - KB90559 - 9/15/2023

When using PAC Display Configurator, you may notice inconsistent fonts and configuration fields that do not fit in dialog windows.

GRV-OVMALC-8: Configuring channel type to Analog Hi-Z not saved correctly

Knowledge Base - KB90664 - 9/19/2023

If you change the channel type of any channel on a GRV-OVMALC-8 module from any type to Analog Hi-Z, the configuration is not saved correctly. In groov Manage, the channel status page incorrectly...more

PAC Manager cannot confirm reboot of E1 or E2 brain boards when installing firmware

Knowledge Base - KB90678 - 9/19/2023

In PAC Manager, instead of seeing a “Success” message after installing firmware on an E1 or E2 brain board, you may see the status message: “Firmware update completed, but restart could not be confirmed.”

E2 analog inputs report a constant, invalid value

Knowledge Base - KB90700 - 9/1/2023

Channels 0-7, 8-15, or all channels stop measuring inputs and report 0 counts or 61440 counts (if configured to read counts) or an invalid engineering unit value (if configured to read engineering units)...more

After firmware upgrade, Data Service becomes unresponsive when you try to enable it

Knowledge Base - KB90706 - 8/31/2023

Clear All Latches command may cause processor/controller reset

Knowledge Base - KB90702 - 8/31/2023

If your PAC Control strategy uses the Clear All Latches command on a SNAP I/O unit that has unconfigured points or empty module positions, the groov EPIC processor or SNAP PAC controller will reset.

I/O unit incorrectly reports communication enabled after power cycle

Knowledge Base - KB90689 - 8/31/2023

After an I/O unit cycles power and your PAC Control strategy tests if the I/O unit is available with the Is I/O Unit Ready? and I/O Unit Communication Enabled?, the I/O unit may incorrectly report communication as enabled.

Publishing data to MQTT Server may be very slow or may stop

Knowledge Base - KB90675 - 8/31/2023

In the situations with frequent reconnections (for example, network or MQTT server instability), you may observe that data publishing to MQTT server slows down or stops.

Some channel configurations may not restore from persistent memory

Knowledge Base - KB90696 - 8/31/2023

If you configure channels on through groov Manage and then restart the groov RIO module or groov EPIC processor, one or more of the I/O channel configurations may not be restored from persistent memory.

MQTT string protocol fails to write floats to analog outputs, timers, and float variables

Knowledge Base - KB90648 - 8/31/2023

If you enable the “Use Comma for Decimal Separator” option when you configure the MQTT String protocol in Data Service, when the protocol writes floats to analog outputs, float variables, and timers, the writes will fail.

When MQTT Sparkplug sends out updates stored in historic queue, other protocols may slow down

Knowledge Base - KB90644 - 8/31/2023

In the event of an MQTT server outage that affects groov EPIC's MQTT client configured with Sparkplug payloads, after service is restored and the MQTT client starts sending out the updates stored...more

Data Service performance may slow down on networks with weak connections

Knowledge Base - KB90692 - 8/31/2023

On rare occasions, particularly in spotty networks or frequent MQTT broker failures, you may observe a degradation in performance of MQTT (either Sparkplug or String payloads).

Pages may display out of order in View mode's page menu

Knowledge Base - KB90712 - 9/19/2023

In View mode, when you click on the navigation icon, the pages may be displayed incorrectly, with categories appearing multiple times and each instance displaying a different page.

When PAC Control controller is restarted on groov EPIC, some types of numeric variables lose values

Knowledge Base - KB90704 - 8/31/2023

If a PAC Control strategy is running on a groov EPIC processor and has persistent numeric variables, when you cycle power to the EPIC, those persistent variables lose their values.

CODESYS Development System may not recognize activated licenses on groov EPIC after upgrading to firmware version 3.5.0 or higher

Knowledge Base - KB90626 - 8/18/2023

API communication failures after upgrading to groov EPIC firmware version 3.5.0

Knowledge Base - KB90605 - 8/17/2023

If PAC Control strategy contains HTTP Get/Post commands with SSL, PAC controller and other services may restart

Knowledge Base - KB90620 - 7/29/2023

If your PAC Control strategy contains HTTP Get or HTTP Post commands with SSL as the security mode, you may observe that various groov Manage services (including the PAC Controller) restart.

A simulated counter on a groov EPIC I/O unit or groov RIO provides erratic results

Knowledge Base - KB90673 - 7/29/2023

If a PAC Control strategy includes a groov RIO or groov I/O unit that is either not physically available to the system or is currently configured in the strategy with communication to the I/O unit...more

E2 periodically does not respond to a command

Knowledge Base - KB90668 - 7/6/2023

This issue is infrequent and only occurs roughly 0.01% of the time. If your control program is communicating to an E2 using Ethernet, periodically, you may observe that the E2 does not respond to...more

Time does not adjust to Daylight Savings Time (DST) for Egypt

Knowledge Base - KB90615 - 8/17/2023

Your groov EPIC or groov RIO will not correctly adjust for Daylight Savings Time (DST) if NTP is enabled, Region is Africa, and Locality is Cairo.

Tag status updates from MQTT are erratic or delayed when Sparkplug payload compression is enabled

Knowledge Base - KB90669 - 8/17/2023

If you configured MQTT Sparkplug to use payload compression (on the MQTT Sparkplug configuration page, you select either GZip or Deflate for the Compression field), you may notice that tag updates are delayed or erratic.