Opto22 - Resources & Tools

Adds, deletes, or edits to computed tags disappear from Configure Tags dialog

Knowledge Base - KB89985 - 11/2/2021

In groov View Build mode, after you add, edit, or delete a computed tag, the changes made to that tag disappear after closing and re-opening the Configure Tags dialog.

Get & Clear Analog Minimum / Maximum / Totalizer commands return a "Not Implemented" error

Knowledge Base - KB90031 - 11/1/2021

In a PAC Control strategy, if you use certain Get & Clear Analog commands on a groov analog input, you will see a "Not Implemented" error in the message queue.

Array element field shows -1; can't erase with Backspace key

Knowledge Base - KB89626 - 11/2/2021

groov View may not start when OPC UA tags are inputs to Computed Tags

Knowledge Base - KB89919 - 11/2/2021

Auto Navigator gadget allows write-only tags to be assigned to it

Knowledge Base - KB89878 - 11/2/2021

After editing a computed tag, the computed tag stops working

Knowledge Base - KB90023 - 11/1/2021

After editing a computed tag, the tag may stop working and groov View displays an "unexpected error" message.

After editing a computed tag's script, output doesn't change

Knowledge Base - KB90022 - 11/1/2021

If you edit a computed tag and change the tag's script, but not its inputs, you will not see the computed tag's output value change immediately. It won't change until one of the tag's input values changes.

Get I/O Unit Quality command does not report modules with a quality code

Knowledge Base - KB90003 - 10/27/2021

In PAC Control, the Get I/O Unit Quality command should report modules that have a quality code. With this issue, the command does not report modules with quality codes, even if a module has a channel reporting a quality code.

Digital Inputs and On & Off Time Totalization appear stuck

Knowledge Base - KB90020 - 11/19/2021

A digital input channel configured with on/off totalization and that reports a quality code of 24 may appear stuck.

For a temperature input channel, the Calculate and Set Offset/Gain area of memory map does not calculate the correct offset

Knowledge Base - KB89974 - 11/2/2021

If your groov EPIC I/O unit is configured for °F, the offset calculation for a temperature input channel is incorrect in two ways: the offset value returned is 5/9ths of the expected value and the...more

For temperature input channel types, offset calibration parameter may cause incorrect adjustment

Knowledge Base - KB89973 - 10/27/2021

If you configured a groov EPIC I/O unit for °F and you enter a non-zero value for calibration offset on a channel configured for temperature input, the offset value used in calibration calculations is 9/5ths greater than what you entered.

For temperature input channel types, calibration offset parameter may be applied incorrectly

Knowledge Base - KB89950 - 11/2/2021

For groov EPIC I/O units configured with a groov I/O module that reads temperatures, if you set a non-zero value for the calibration offset for a channel and then reset the module or I/O unit, the...more

MQTT string payloads missing part number; hardware date code only

Knowledge Base - KB89904 - 11/2/2021

When running MQTT with string payloads, the part number tag may be missing the part number. It may only have the hardware date code.

Some analog output channels do not return a value of QNAN when a quality code is present

Knowledge Base - KB89924 - 11/2/2021

For analog output modules, the channels do not display QNAN when a quality code is present.

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 - 10/27/2021

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...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).