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Showing results 1 - 25 of 2105

knowledge base - KB86962

Published:

Opto 22 Knowledgebase

Strategy archive upload fails with error message: "The controller does not currently contain a strategy archive"

The Inspecting dialog box (in PAC Control Debug mode > Control Engine > Inspect; or in PAC Terminal > View > Status) may incorrectly indicate that the controller has an archive strategy, when...more

knowledge base - KB87587

Published:

Opto 22 Knowledgebase

PAC Display Configurator: Graphic image may be blank when window is restored

In PAC Display Configurator, if you minimize a window and then restore it (that is, make it bigger from its minimized size), graphic images may disappear from the window.  (The image file is not deleted, but the image may not appear in the window.)

knowledge base - KB87601

Published:

Opto 22 Knowledgebase

"Edit > Replace > Entire Project" may fail or cause PAC Display to crash when replacing "File Name From Strategy" tag

Replacing a tag name project-wide ( Edit > Replace > Entire Project) may fail without displaying an error message—or PAC Display Configurator may even crash—if the tag you're trying...more

knowledge base - KB87634

Published:

Opto 22 Knowledgebase

Controller may reset if a strategy with subroutines is running and you download changes made in Online mode

If a strategy includes a subroutine and you change the strategy while it's running in Online mode, the controller may reset when you switch to Debug mode and then click Yes to download the changes...more

knowledge base - KB87648

Published:

Opto 22 Knowledgebase

PAC Display: Dynamic Attributes window doesn't show the object's attributes

If you use the pop-up menu to display a graphical object's dynamic attributes (right-click > Dynamic Attributes >  View), the Dynamic Attributes window opens, but the window displays...more

knowledge base - KB87546

Published:

Opto 22 Knowledgebase

Sparkplug doesn't reconnect to MQTT broker

Ignition MQTT Engine SCADA tags or OPC-UA clients of Ignition MQTT Engine tags (for example, groov) are invalid or stale.

knowledge base - KB87586

Published:

Opto 22 Knowledgebase

PAC Display Runtime displays TValue "Reference Type/Actual Type =" error messages and then crashes

In PAC Display Configurator, if you configure a graphical object using the the Quick Tag Entry feature and then delete a required field in the tag name, when the operator clicks the object in Runtime...more

knowledge base - KB87620

Published:

Opto 22 Knowledgebase

PAC Control: PID "Set" instructions write corrupted data

The PID "Set" instructions (in PAC Control) write corrupted data to the selected PID parameter when the PID is on a groov EPIC PR1 I/O Unit.

knowledge base - KB87632

Published:

Opto 22 Knowledgebase

GIF graphic is invisible in imported PAC Display window

If a windows you have imported into a PAC Display project (Window > Import Window) contains a GIF graphic, the graphic won't be visible in PAC Display Configurator. (It will, however, be...more

knowledge base - KB87589

Published:

Opto 22 Knowledgebase

PAC Display Runtime may crash when you use the Print feature

If a printer isn't configured for the computer you're using, PAC Display Runtime may crash when you select File > Print from the menu bar. 

knowledge base - KB87571

Published:

Opto 22 Knowledgebase

PAC Terminal shows wrong system type for redundant networks and redundant controllers

Even if a control engine has been configured as a redundant controller or part of a redundant network, PAC Terminal incorrectly displays "Standard" in the System Type column. Also...more

knowledge base - KB87567

Published:

Opto 22 Knowledgebase

PAC Control displays "Compile Error" and "Invalid IP address" when a strategy includes an E1, E2, or G4EB2 brain board

If your PAC Control R10.0a or R10.0b strategy contains an E1, E2, or G4EB2 brain board, PAC Control displays an error message when you try to either compile or download the strategy.

knowledge base - KB87518

Published:

Opto 22 Knowledgebase

groov digital input module may return a zero

When you read from digital input channel configured for On-pulse, Off-pulse, or one shot period measurement, you might get a zero value.

knowledge base - KB87507

Published:

Opto 22 Knowledgebase

Can't access USB-to-serial converter from Node-RED

If you have Node-RED logic that attempts to access a serial port on a USB-to-Serial converter (for example, /dev/ttySer0), it will fail and display a message about "permission denied".

knowledge base - KB87503

Published:

Opto 22 Knowledgebase

System Status Page shows error message when multiple browser tabs or windows try to access it

When several browser tabs or windows are open and accessing the System Status page in groov Manage (including the processor's touchscreen), you might see a message box with the word "Error" in it.

knowledge base - KB87453

Published:

Opto 22 Knowledgebase

Slow firewall port validation with large port range

On the Firewall page (Home > Security > Firewall), if you add a rule with a large port range (for example, 39999:50001) and then click "Save," groov Manage will appear to go offline for several minutes.

knowledge base - KB87568

Published:

Opto 22 Knowledgebase

Unable to switch control engines in PAC Display Runtime

Trying to switch control engines in Runtime (Window > Switch Control Engines) may fail. Instead, the tag values may appear as  # signs or Last Known Value errors.