Opto22 - Resources & Tools

groov EPIC processor may become unresponsive

Knowledge Base - KB89818 - 8/17/2021

In rare instances, the groov EPIC processor may become unresponsive or may restart, the module status LED on all modules turns red, or ther is no Ethernet communication.

groov EPIC processor may become unresponsive

Knowledge Base - KB89876 - 8/17/2021

In rare instances, the groov EPIC processor may become unresponsive: module status LED on all modules turns red, touch screen becomes unresponsive, no Ethernet communication, and/or RAM usage steadily increases.

User repeatedly prompted to change password

Knowledge Base - KB89890 - 8/17/2021

The user is prompted to change their password every time they attempt to log in to the groov EPIC or groov RIO.

groov View may hang while using video gadgets with the proxy option enabled

Knowledge Base - KB89845 - 8/17/2021

If you have video gadgets with the "Use groov as a proxy option" enabled, and if the connection to the camera is not reliable, groov View may stop responding. If the page with the...more

groov View hangs due to lag in computed tags

Knowledge Base - KB89826 - 8/17/2021

You may see the values of computed tags lag significantly behind real-time; for example, the computed value reflects input received minutes to hours earlier. Sustained high CPU usage by another process...more

Gadgets using computed tags may show an error when groov View starts

Knowledge Base - KB89781 - 8/17/2021

If your project contains any trend gadgets that use computed tags as a data source, when groov View starts, all gadgets using a computed tag may show an error icon, with the error message java.lang...more

MQTT OptoMMP device status is erratic

Knowledge Base - KB89859 - 8/17/2021

When using an MQTT OptoMMP device (configured in groov Manage), you may experience (for MQTT Sparkplug payloads) the OptoMMP device’s status goes offline and then comes back online, or (for...more

Viewing the message queue may cause a PAC controller reset

Knowledge Base - KB89819 - 8/17/2021

On rare occasions, when you try to view the PAC Control Message Queue using either PAC Control Debug mode or PAC Terminal, the PAC controller resets. When this occurs, PAC Control or PAC Terminal may...more

groov EPIC processor may become unresponsive when writing to the memory map

Knowledge Base - KB89868 - 8/17/2021

On rare occasions, when you write to the memory map configuration area for a specific list of groov I/O modules, the groov EPIC processor may lock up or reset.

Cannot connect to MQTT broker using root CA-signed or self-signed certificate

Knowledge Base - KB89849 - 8/17/2021

The groov Manage MQTT client might not connect to the broker with a valid self-signed or CA-signed certificate and key file.

Unstable connection to MQTT broker using CA-signed or self-signed root certificate

Knowledge Base - KB89847 - 8/17/2021

The groov Manage MQTT client configured with a valid self-signed or CA-signed root certificate might be unstable (connecting and disconnecting erratically).

PAC Project installs only on C: drive

Knowledge Base - KB89504 - 9/8/2021

When you try to install PAC Project 10.3 on a drive other than the C: drive, the installer displays the following message: Run time error (at 80:659): could not install proc.

Acknowledge button does not clear last diagnostic message for groov EPIC modules or groov RIO channels

Knowledge Base - KB89814 - 7/9/2021

Local I/O does not work after restart of EPIC with simple or serial modules on chassis

Knowledge Base - KB89800 - 7/9/2021

Strategy with "Start strategy after download completes" option does not start after downloading the Control Engine Download File (.cdf)

Knowledge Base - KB89634 - 9/8/2021

A strategy with the "Start strategy after download completes" option does not start after downloading the control engine download file (.cdf).

Creating new strategy allows existing strategy to be overwritten without warning

Knowledge Base - KB89807 - 9/8/2021

If you create a new strategy with the same name (and in the same folder) of an existing strategy, a new strategy will erase the contents of an existing strategy without any warning.

PAC Control: Condition block always evaluates as FALSE

Knowledge Base - KB89767 - 9/8/2021

In rare cases, after you import a chart into a strategy and then download and run the strategy, a condition block in the imported chart always evaluates as false.

When attempting to clear bits in a 64-bit integer table, the bits are set

Knowledge Base - KB89696 - 9/8/2021

PAC Display Configurator crashes while upgrading project to newer version

Knowledge Base - KB89476 - 9/8/2021

In rare cases, PAC Display Configurator may crash when it opens an older project. While it's opening the project, it closes without error.

PAC Display Runtime adds random characters in Operator Log File

Knowledge Base - KB89397 - 9/8/2021

If you configured PAC Display Runtime to log operator actions in an operator log file, when an operator enters the incorrect password, PAC Display Runtime stores the characters incorrectly.

Hint Text when using "carriage return" code "\r" not wrapping the text

Knowledge Base - KB89001 - 9/8/2021

When adding a hint text to a graphic object in PAC Display Configurator, you will not see the text wrap to the next line when using "\r".

GRV-ITM-12 module disconnects and reconnects at random times.

Knowledge Base - KB89802 - 6/23/2021

You may observe that some GRV-ITM-12 modules on the chassis may not get discovered or discovery is delayed. Or, after power-up and initial module discovery, some GRV-ITM-12 modules may drop off...more

Control engine resets on first attempt to communicate with an alternate host task

Knowledge Base - KB89735 - 6/15/2021

If you do two specific steps, the groov EPIC control engine resets; for SoftPAC, a -16 bus error message is placed in its message queue and the alternate host task will not work.

System update fails: "Failed to import gpg certificate. The system clock may be too far in the past. Update the system clock."

Knowledge Base - KB89711 - 6/15/2021

Updating system firmware on groov EPIC or groov RIO may fail with the message "Failed to import gpg certificate. The system clock may be too far in the past. Update the system clock."

Bluetooth incorrectly disabled after a system update

Knowledge Base - KB89710 - 6/15/2021

If your Bluetooth is enabled before a system update, after the system update, it is disabled. It should remain enabled.