Resources & Tools

1-25 of 4549 results
groov RIO EMU Brochure
Documents - Published:
This brochure highlights some of the features of Opto 22's groov RIO Energy Monitoring Unit (EMU) (part number GRV-R7-I1VPAM-3). It lists a variety of use cases, summarizes how to include...more
groov RIO Brochure
Documents - Published:
This brochure explores Opto 22's groov RIO Universal I/O product line. The brochure describes the module's connectivity & configuration options, software capabilities, security features,...more
groov EPIC Brochure
Documents - 2396 - Published:
It’s not a PLC. It’s not a PAC. It’s not a PC. It’s an Edge Programmable Industrial Controller (EPIC), and the acronym says it all. This brochure explores all of Opto 22's groov EPIC product line.
Case Study: Farm Data Systems and Azcal Management
Documents - 2395 - Published:
View in html In drought-prone California, farmers walk a fine line on water use. Water costs, government regulations, and concern for future water availability all affect how crops are...more
Strategy with imported .otg file causes -128 error
Knowledge Base - KB90459 - Published:
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."
groov EPIC unresponsive
Knowledge Base - KB90447 - Published:
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.
OPC UA Quick Start Tutorial
Videos - Published:
This video shows you how to set up an OPC UA server on groov RIO to accept connections from OPC UA clients and request groov data.
Can't assign some groov digital input channels to Latch Set conditions
Knowledge Base - KB90373 - Published:
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.
Append Character to String command results in -95 info message in the controller’s message queue
Knowledge Base - KB90286 - Published:
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...more
Strategy stored to permanent storage is cleared after restart of control engine
Knowledge Base - KB90209 - Published:
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
In OptoScript block, text may be deleted and may cause compiler errors
Knowledge Base - KB86762 - Published:
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 - Published:
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
Deleting a gadget in one layout breaks gadget arrangements and ability to select in other layout
Knowledge Base - KB90438 - Published:
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.