Opto22 - Resources & Tools

Some of the graphics on your PAC Display project are not updating properly.

PAC Display Runtime crashes when you quickly switch windows

Knowledge Base - KB88706 - 12/18/2019

If your PAC Display project has windows and buttons configured to open and close each other, and you quickly click the buttons to switch between windows, PAC Display Runtime crashes.

PAC Display Runtime crashes when quickly clicking on different buttons

Knowledge Base - KB88739 - 12/18/2019

If your PAC Display project has a page with several buttons configured with pop-up windows, quickly clicking on those buttons causes Runtime to crash, displaying a message that it needs to terminate.

PAC Control Engine becomes disabled when VPN is enabled

Knowledge Base - KB88700 - 12/17/2019

With PAC Control Engine running a control strategy on an EPIC PR1, enabling the VPN will cause it to stop responding. Disabling the VPN is the only way to get the PAC Control Engine running again.

Can't open groov View, groov Manage, or groov Admin from Chrome browser on macOS or iOS

Knowledge Base - KB88673 - 12/18/2019

When you use the Chrome browser on macOS 10.15 (or newer) or iOS 13 (or newer) to access groov Manage, groov View or groov Admin configured with a self-signed certificate, you receive the "Your...more

Sparkplug: Some tags not showing fresh/valid values

Knowledge Base - KB88662 - 12/18/2019

When Ignition receives a NaN (Not a Number) for a tag that represents a float value, it displays only the last known good value published and indicates that the tag quality as good, which is not correct.

Some MQTT String Payload Values Don't Publish

Knowledge Base - KB88655 - 12/18/2019

If you have GRV-EPIC-PR1 configured to publish through MQTT Service with string payloads, floating point values that are “not a number” (NaN) do not publish.

CODESYS: "Opening Ethernet Adapter Failed" Error with CODESYS PROFINET Controller SL

Knowledge Base - KB88649 - 12/18/2019

In CODESYS Development System, after you download your application, the log contains an "Opening Ethernet Adapter Failed" error and the application can not communicate with Profinet I/O.

When input is out of range, PID output may not go to configured value

Knowledge Base - KB88407 - 12/18/2019

If the change from the current PID output to the configured value is smaller than the minimum output change, the PID output will not be set to the configured value.

Can't add a recently created user to a group

Knowledge Base - KB87382 - 11/22/2019

In groov View, when you edit a recently created user, if you add them to a group through the Edit User dialog, the user is not added to the group.

Incorrect tag data from multiple Modbus devices

Knowledge Base - KB88635 - 11/22/2019

If you have a Modbus gateway device with multiple devices behind it, groov View may display tag values for only one of the devices, repeating those values on the other devices.

Changes to name or data type of tag not reflected in gadget

Knowledge Base - KB86468 - 11/22/2019

In groov View, if you change the name or data type of a tag and the tag is attached to a gadget, the name change is not propagated to the attached gadget's properties.

Wiring diagrams for GRV-IACI(S)-12 and GRV-IACIHV(S)-12 modules are incorrect

Knowledge Base - KB88703 - 12/18/2019

In groov Manage, the wiring diagrams for the GRV-IACI-12, GRV-IACIS-12, GRV-IACIHV-12, and GRV-IACIHVS-12 modules are incorrect.

Connection or communication errors with Data Simulator and System Devices

Knowledge Base - KB88679 - 11/22/2019

In groov View, your project accesses gadgets configured with both Data Simulator and System tags at the same time (normally because they are on the same page), your project may fail to communicate or connect to either or both.

Length field in I/O Unit Tag editor always displays 0x10

Knowledge Base - KB88665 - 11/22/2019

In groov View, when you edit a previously configured tag, the Length field displays 0x10. It saves the value correctly, but displays the wrong value.

Strings in groov View may contain extra text at the end

Knowledge Base - KB88664 - 11/22/2019

After writing a string to an I/O Unit tag, if the newer string is shorter than the previous string, the end of the previous string may still be visible.

Gadgets show "could not connect to the controller" message

Knowledge Base - KB88663 - 11/22/2019

If your groov View project has an I/O Unit device and contains gadgets configured to access a memory map address that is not 4-byte aligned, after groov View tries to access that address, it displays...more

groov View: Mouse clicks might be ignored after page refresh

Knowledge Base - KB88581 - 11/22/2019

In groov View, mouse clicks are ignored after page refreshes.

Momentary button doesn't write Release Value to tag

Knowledge Base - KB88580 - 11/22/2019

In groov View, when you release a Momentary button, it writes a value (Release Value) that differs from when it was pressed (Press Value). However, if you navigate away from the current page, the Release Value is not written to the tag.

Wiring diagram for GRV-IDCSW-12 is incorrect

Knowledge Base - KB88630 - 12/14/2019

In groov Manage, the wiring diagram for the GRV-IDCSW-12 module is incorrect.

Build mode in groov View incorrectly reports "No Page" error

Knowledge Base - KB88479 - 11/26/2019

CODESYS: Project won't compile

Knowledge Base - KB88611 - 11/18/2019

PID loops configured for Auto mode may start in Manual mode (or vice versa)

Knowledge Base - KB88647 - 11/15/2019

If a PAC Control strategy has a PID configured with Mode set to Manual, when you run the strategy, the PID is started in Auto mode.