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New SSL port configuration method in R4.5a for groov Server for Windows
Knowledge Base - KB90708 - Published:
This is an informational KB article. groov Server for Windows is behaving correctly. If you configured groov Server for Windows to run on a custom SSL port, you may notice it running on the default port 443 after upgrading to R4.5a or higher.
Database error when modifying a user in groov View Build mode
Knowledge Base - KB90856 - Published:
When attempting to modify an existing user in groov View Build mode, you may encounter the following error message: “Error: There was a database error when updating the user.” Your changes are not applied.
groov View Momentary Button may not work on a Windows device with a touch screen
Knowledge Base - K90818 - Published:
When you attempt to use a groov View Momentary Button on a Windows device with a touchscreen while in View mode, you may encounter a context menu appearing instead of the button being activated.
Changing the Page menu display results in an empty page when viewed on the EPIC touchscreen or external HDMI monitor
Knowledge Base - KB90805 - Published:
When choosing to display the Page menu as a folder tree in the Project Settings panel in groov View Build mode, you may encounter an empty page when viewing the project on the groov EPIC touchscreen or...more
Using groov View Build mode from an external HDMI monitor connected to groov EPIC devices may cause application to hang
Knowledge Base - KB90804 - Published:
When attempting to use groov View Build mode from an external HDMI monitor connected to groov EPIC processors, the application may hang while displaying “Loading pages…”. Note...more
Only the first 50 configured devices or computed tags appear in groov View for editing or deletion
Knowledge Base - KB90777 - Published:
If you have more than 50 configured devices or computed tags in your groov View project, you may notice that only the first approximately 50 items appear in the Configure Devices and Tags dialog window for editing or deletion.
Errors when attempting to select CODESYS string variables in groov View tag browser
Knowledge Base - KB90760 - Published:
When attempting to select a string variable tag on a CODESYS® OPC UA server in the groov View tag browser, you may not be able to select it and may see specific log error messages.
Configured System Data Source Name (DSN) does not appear in drop-down list in OptoDataLink
Knowledge Base - KB90921 - Published:
If you select the Data Source Name (DSN) configuration option when configuring a new link in OptoDataLink, you may notice that your configured System DSN does not appear in the drop-down DSN list, which remains blank.
PAC Control REST API may time out when using /device/strategy/vars/strings endpoint
Knowledge Base - KB90758 - Published:
If a groov EPIC system is running a PAC Control strategy with a large number of variables, the "read all strings" endpoint (/device/strategy/vars/strings) may take a long time to complete...more
groov EPIC power supply information appears incorrectly in groov Manage
Knowledge Base - KB90862 - Published:
When examining a groov EPIC power supply with a valid serial number in groov Manage (Info and Help > About), you may be provided the following incorrect information: Part name: Unknown Model ...more
Graphics may appear invisible in PAC Display Configurator
Knowledge Base - KB90624 - Published:
When opening an existing project in PAC Display Configurator, graphics may appear invisible. You may be able to select the graphics and see their bounding boxes, but the graphics themselves do not...more
Analog channels from GRV-IVAPM-3 and GRV-R7-I1VAPM-3 not supported in PAC Display
Knowledge Base - KB90902 - Published:
When loading a strategy into PAC Display that contains analog channels from a GRV-IVAPM-3 module or groov RIO EMU (Energy Monitoring Unit; part number GRV-R7-I1VAPM-3), you may encounter an error...more
EtherNet/IP Configurator may not launch after installation
Knowledge Base - KB90877 - Published:
When attempting to launch the EtherNet/IP Configurator after installing it on a computer that has no other Opto 22 software on it, you may encounter error messages about missing .dll files, and the EtherNet/IP Configurator may not launch.
PAC Display Runtime may crash on exit
Knowledge Base - KB90854 - Published:
When exiting PAC Display Runtime (File > Exit or the top right X button), you may encounter an error message explaining that PAC Display must terminate. Once you click OK, PAC Display closes.
PAC Display Runtime may be unresponsive or crash when the ODBC SQL connection is unavailable
Knowledge Base - KB90724 - Published:
PAC Display Runtime Professional may be unresponsive or crash (without an error message or event log) when opening, running, or closing a project that contains an unavailable ODBC SQL connection.
Tag data does not exchange faster than 1000 millisecond intervals in OptoDataLink
Knowledge Base - KB90836 - Published:
When you are configuring the “when” condition for an Opto 22 device in OptoDataLink and set the interval to a value faster than 1000 milliseconds, the tag data may not update faster than once every 1000 milliseconds.
PAC Manager may not accept 12-digit IP address and subnet mask for ETHERNET 2 Interface
Knowledge Base - KB90853 - Published:
On the Status Write page of the Inspect window of PAC Manager, you may not be able to enter an IP address or subnet mask that contains 12 digits (3 digits in all 4 octets, such as 255.255.255.255) for the ETHERNET 2 Interface.

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