Opto22 - Resources & Tools

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-line...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.

Expression tags created in Ignition Edge 7.9 do not execute correctly in version 8.1.1

Knowledge Base - KB89707 - 6/15/2021

If your application has an expression tag created with Ignition Edge 7.9 and then you try to run the application with version 8.1.1, you will see Error_configuration as the value for the expression tag...more

Encrypted backup may fail if password contains special characters

Knowledge Base - KB89680 - 6/15/2021

When you create an encrypted backup, if you enter any special characters (for example: *, &, %, $, or #) for the password, the backup may fail.

Modbus/TCP transactions may return incorrect exception code

Knowledge Base - KB89676 - 6/15/2021

When a client sends messages to the Modbus/TCP server on groov EPIC, groov EPIC may return the wrong Modbus/TCP exception code.

TCP connection attempts may fail

Knowledge Base - KB89670 - 6/15/2021

When host software attempts to open an OptoMMP (TCP) or Modbus/TCP connection, the connection may be refused if previous connections were not closed correctly.

Can't restore a backup file made by GRV-EPIC-PR1 to a GRV-EPIC-PR2 (or vice versa)

Knowledge Base - KB89667 - 6/15/2021

When you create a backup from a GRV-EPIC-PR1 and then try to restore it to a GRV-EPIC-PR2, groov Manage displays the following error and does not do the restore: The backup file is not...more

Modbus/TCP transactions may fail

Knowledge Base - KB89636 - 6/15/2021

When using a Modbus/TCP client to access the Modbus/TCP server on groov EPIC and groov RIO units, some transactions may fail even when accessing valid Modbus/TCP registers or a valid memory map region.

GRV-ITR-12: A channel with no input connected changes reading of next channel in the group with valid resistive input connected

Knowledge Base - KB89749 - 5/28/2021

GRV-ITM-12: Type K thermocouple channels read about 300 degrees C at room temperature

Knowledge Base - KB89681 - 6/23/2021

If you have a GRV-ITM-12 module with channels configured for type K thermocouples and thermocouples connected to channels, when you download a PAC Control strategy, some channel pairs (0 and 1, 2 and 3...more

Trend data not restored when groov View project restored

Knowledge Base - KB89573 - 6/8/2021

When you back up a groov View project on one device (including the trend data), then try to restore the project on another device (or the same device after upgrading firmware), sometimes the trend data is not restored.

Page Navigators configured as links or buttons don't work when Visibility option enabled

Knowledge Base - KB89755 - 6/8/2021

If a page in your groov View project contains a Page Navigator that is configured to displays as either a link or a button and you assign a tag to the Visibility option, when the tag changes, the link or button does not appear or disappear as expected.

When bit 0 is selected in a gadget using bit picking, the automatic label fails to show "(bit 0)"

Knowledge Base - KB89673 - 5/27/2021

When you use a bit-picked tag with a groov View gadget, the automatic label should display the bit you've chosen. For example, if you've selected bit 3, a gadget using a tag named "Int 64...more

Events won't load in Build mode if an event is using an invalid tag

Knowledge Base - KB89645 - 6/8/2021

When you try to open the Configure Events panel in Build mode, the panel hangs with the "Loading Events" message sitting on top of it. This issue occurs when an event is configured with...more

Can't select the last bit in an integer in the gadget properties panel bit selector

Knowledge Base - KB89674 - 5/26/2021

In the Bit field in the gadget properties panel, you cannot select the last bit in an integer (bit 7, 15, 31, or 63, depending on the integer size). The input box turns red and won't accept the...more

Saving groov Build pages takes a long time, or on GRV-EPIC-PR1 reports 504 Gateway Time-out

Knowledge Base - KB89633 - 5/26/2021

When you try to save pages in groov View's Build mode, saving may take a very long time. Or, on a GRV-EPIC-PR1, you may see a 504 - Gateway Timeout error. All platforms show the slowdown; only the GRV-EPIC-PR1 shows the 504 Gateway Time-out.

groov View bit writing doesn't work correctly for the upper 33 bits of a 64 bit integer

Knowledge Base - KB89675 - 5/26/2021

When you're trying to write to the bits of a 64 bit integer, you find: Bits 0 through 30 work correctly. Writing to bit 31 or 63 sets bits 31 through 63 to the same value. Writing a 1 to...more

All gadgets with Computed Tags stop working

Knowledge Base - KB89744 - 6/7/2021

All gadgets in your project that use Computed Tags report the following: Could not connect to the controller. groov will keep trying to connect. Details: Trying to reconnect to device Computed...more

Discrete (digital) input channels may not detect on or off latches

Knowledge Base - KB89055 - 5/21/2021

With discrete (digital) input modules that support on or off latches (listed above), you may observe that on latches and off latches may not get set correctly.

Custom Configuration Area of groov EPIC and groov RIO memory map is cleared during power cycle

Knowledge Base - KB89662 - 6/15/2021

Strategy with SNAP PID may cause PAC Control engine reset

Knowledge Base - KB89526 - 5/4/2021

Counters missing from digital inputs on channels 0 and 1 of GRV-R7-MM100-10

Knowledge Base - KB89682 - 4/29/2021

In CODESYS Development System, when you are configuring channels 0 or 1 of a GRV-R7-MM100-10 as a digital input and you want to select Counter as a Feature, you will not see it in the drop-down list...more

Remote I/O may start with a timeout error

Knowledge Base - KB89679 - 5/3/2021

In CODESYS Development System, when you download and run your application, remote I/O will often start off with a spurious and benign timeout error. You may see a red exclamation mark over the...more