Resources & Tools

26-50 of 6774 results
TPO Channel's State Does Not Change With Percentage (Duty Cycle) of 100%, 0%, or Less Than 0%
Knowledge Base - KB88962 - Published:
In a PAC Control strategy with either a GRV-EPIC-PR1 I/O unit or a GRV-R7-MM1001-10 I/O unit that has a digital output channel configured as a TPO, you may observe that the TPO channel's...more
Hint Message for Dynamic Attribute is Visible on Invisible Graphic Object
Knowledge Base - KB88931 - Published:
With this issue, PAC Display: shows the hint message on an invisible graphic dynamic object AND changes the mouse pointer to a hand selector when the mouse is hovering over the invisible graphic dynamic object.
PAC Display Configurator's TagInfoView Utility Does Not Load
Knowledge Base - KB88845 - Published:
In PAC Display Configurator, when you click View > Launch TagInfoView Utility, Windows displays the loading progress wheel for about 1 second and then the utility does not appear. This occurs if...more
Quality Indicator Disabled for All Channels Transferred Through an OTG File
Knowledge Base - KB89268 - Published:
In PAC Control, when you export groov EPIC or groov RIO I/O units from one strategy to an Opto Tag Database (OTG) file, then import the OTG file into another strategy, all channels in the second...more
Enable Quality Indicator Option Missing for Some Digital Channels in Edit Digital Point Window
Knowledge Base - KB89263 - Published:
In PAC Control Config mode, when you edit a digital channel (of a groov I/O module or a RIO) in the Edit Digital Point window, PAC Control does not display the Enable Quality Indicator option for full...more
I/O Unit with Digital Outputs Won't Export to I/O Unit Configuration File (.otg)
Knowledge Base - KB89220 - Published:
If your PAC Control strategy has a groov I/O unit with digital outputs, when you try to export the I/O (right-click on the I/O Units folder and then choose Export), PAC Control will either crash or create an empty export file.
Certificates Invalidated/Certificate Store Unusable After Binary DER Certificate Uploaded
Knowledge Base - KB89171 - Published:
After you upload a binary DER certificate, you may observe that certificate validations fail. You may see this behavior even if you attempt to validate any type of certificate previously uploaded to the certificate store.
MQTT Playlist
Videos - Published:
MQTT/Sparkplug capabilities are built into the groov Edge Appliance (the groov Box). See step by step how to activate and use MQTT in these workshop videos.
PAC Controller May Become Unresponsive During Downloads
Knowledge Base - KB89198 - Published:
While extremely unlikely, the PAC controller on a GRV-EPIC-PR1 may become unresponsive and require a reset when downloading a strategy to the controller or when downloading a "Download After" file.
PAC REST API May Time Out When Reading a Range of String Table Entries
Knowledge Base - KB89183 - Published:
When you use the readStringTable PAC REST API endpoint on a GRV-EPIC-PR1 (for example, https://<your-PR1-Hostname>/api/v1/device/strategy/tables/strings/strTable), the request may time...more
Signing out of groov Manage in One Tab Does Not Sign Out of All Tabs
Knowledge Base - KB89168 - Published:
If you have groov Manage open in multiple browser tabs or windows for one GRV-EPIC-PR1, logging out of one of those tabs may not log you out of all of the other tabs. This may be more...more
Persistent Float Variables are Reset When Using Background Downloading
Knowledge Base - KB89149 - Published:
When Background Downloading is enabled (from the groov Manage Home page, click Controller > PAC Controller > Configuration), the values of persistent variables should be saved. However,...more
Subroutine Variable with Same Name and Type as Global Variable May Cause Control Engine Reset
Knowledge Base - KB89147 - Published:
In PAC Control Debug mode, you may observe a controller timeout error message (indicating a possible PAC Control engine reset) when stepping through a subroutine in a strategy where the subroutine...more
Publishing I/O Data Directly to Ignition
Videos - Published:
This groov RIO presentation was recorded for the 2020 Ignition Community Conference. Opto 22's Benson Hougland gives you a step-by-step demo of the quickest and simplest method...more
Getting Started with MQTT in groov Products
Documents - 2350 - Published:
Opto 22’s groov EPIC® edge programmable industrial controller and groov RIO® edge I/O give you many ways to use MQTT data communications—via groov Manage, Node-RED, or Ignition...more