Opto22 - Resources & Tools

Strategy with imported .otg file causes -128 error

Knowledge Base - KB90459 - 10/31/2022

You attempt to open the strategy that has a recently imported .otg file and it reports error -128: "Invalid character in Channel name. Valid characters are letters, numbers, and underscore. The first letter must be alphabetic."

Moving/Copying channels on GRV-MM1001-10 module causes PAC Control crash

Knowledge Base - KB90443 - 10/31/2022

When you try to move or copy channels to or from a GRV-MM1001-10, PAC Control may crash.

groov EPIC unresponsive

Knowledge Base - KB90447 - 9/21/2022

You may have this issue if you can't connect to your groov EPIC from your browser., get no response from the groov EPIC's touch screen, and the LEDs on all of some of the I/O modules are red.

REST API requests with an API key created/changed since groov EPIC restart produce errors

Knowledge Base - KB90444 - 9/13/2022

Can't assign some groov digital input channels to Latch Set conditions

Knowledge Base - KB90373 - 10/31/2022

In a PAC Control strategy, when you add an On-Latch Set? or Off-Latch Set? condition with a digital point type, the Name drop-down list won't show any channels from GRV-EPIC-PR2 I/O units or GRV-R7-MM2001-10 modules.

Autorun flag toggled when groov Manage & PAC Control are both open

Knowledge Base - KB90325 - 10/31/2022

If you are switching between groov Manage and PAC Control using the icons in the Windows taskbar, while the Inspecting Control Engine dialog is open, the autorun flag might be toggled.

Incorrect websites/browser launched from Help menu and dialog boxes

Knowledge Base - KB90311 - 10/31/2022

You may observe some errors when clicking on links in dialog boxes and menu items that access the Opto 22 website.

Append Character to String command results in -95 info message in the controller’s message queue

Knowledge Base - KB90286 - 10/31/2022

If you specify a 64-bit integer for argument 0 of the Append to String command, PAC Control compiles without errors, but when you try to run the strategy, you will see a -95 "Data stack is not empty...more

Get I/O Unit Quality command occasionally reports a -13 error

Knowledge Base - KB90224 - 10/28/2022

On rare occasions, the Get I/O Unit Quality command returns a -13 (Overflow) error.

Strategy stored to permanent storage is cleared after restart of control engine

Knowledge Base - KB90209 - 10/28/2022

If a strategy with nested subroutines is stored to permanent storage (flash) after the strategy has been run, then the control engine is restarted, PAC Control displays the message that the control...more

Editing name of variable in subroutine causes PAC Control to crash

Knowledge Base - KB90366 - 10/31/2022

When you open a subroutine without opening its corresponding strategy and then change the name of a variable in that subroutine, PAC Control crashes.

In OptoScript block, text may be deleted and may cause compiler errors

Knowledge Base - KB86762 - 10/28/2022

On rare occasions, compiling a PAC Control strategy may show unexpected compile errors in OptoScript blocks. When you investigate the OptoScript block, you may find that content appears to be missing and the OptoScript block may be truncated.

Importing chart may cause PAC Control to crash

Knowledge Base - KB90249 - 10/28/2022

On rare occasions, when you import a chart into a PAC Control strategy, if the I/O of the chart being imported does not match the I/O of the strategy, PAC Control may crash. If the chart imports...more

Accessing PID loops on groov RIO causes “Device Failure” messages

Knowledge Base - KB90208 - 10/28/2022

Accessing a PID loop on a groov RIO using either PAC Display or OptoOPCServer will result in a “Device Failure” error.

PAC Control allows duplicate IP addresses when using E1, E2, and G4EB2 I/O units

Knowledge Base - KB90237 - 10/28/2022

When configuring an I/O unit in a PAC Control strategy, PAC Control does not prevent you from applying the same IP address to separate E1, E2, or G4EB2 I/O units in a strategy.

Deleting a gadget in one layout breaks gadget arrangements and ability to select in other layout

Knowledge Base - KB90438 - 9/20/2022

In groov View Build mode, when you delete a gadget in one layout (for example, Desktop) and you have gadgets in the other layout (for example, Handheld), you may observe unusual behaviors when you switch to the other layout.

Unresponsive groov EPIC processor

Knowledge Base - KB90376 - 8/19/2022

If you have this issue, you may observe no Ethernet communication, no response to touch screen input, and all module LEDs are red.

Data from groov EPIC/RIO reported as stale; groov Manage reports Data Service is running

Knowledge Base - KB90434 - 9/13/2022

OPC UA tags with Number type are selectable in Build mode, but report type error in View mode

Knowledge Base - KB90399 - 8/17/2022

In groov View, after successfully assigning an OPC UA tag of type Number to a gadget in Build mode, when you switch to View mode, that gadget displays a yellow triangle and a message that types do not match.

Cannot select an array index on some OPC UA array tags

Knowledge Base - KB90394 - 8/17/2022

If you add a tag from an OPC UA device that is a dynamically-sized array, groov View does not display the boxes where you enter the index.

Page access permissions reset to All Users

Knowledge Base - KB90330 - 8/17/2022

If your groov View project has any pages that limit permissions (for example, only for Kiosk users), after groov View is restarted, those pages should keep their permissions. However, with this issue...more

Some users can't see video from video gadgets with proxy option

Knowledge Base - KB90289 - 8/17/2022

Users with the limited permission levels may not be able to view video from a video gadget with the proxy option enabled, even though they have permission to access the page containing that video gadget.

Internal values unnecessarily saved to permanent storage

Knowledge Base - KB90395 - 8/24/2022

The OptoMMP server was saving internal data to permanent storage, which caused additional writes.

Frequently writing unchanged values to some OptoMMP areas may cause excessive writes to permanent storage

Knowledge Base - KB90239 - 8/24/2022

Frequently writing unchanged values to areas of the OptoMMP memory map may causes excessive writes, which shortens the life of the permanent storage.

32-bit integers that represent boolean values aren't presented as booleans

Knowledge Base - KB90400 - 8/24/2022

In PAC Control, if you define a 32-bit integer to represent a boolean value, the tag that the Data Service creates should be defined as boolean. With this issue, the tag is defined as a 32-bit integer.