Opto22 - Resources & Tools

GRV-EPIC-PR1 may use additional network bandwidth

Knowledge Base - KB88756 - 5/5/2020

When using OptoMMP with Sparkplug-B payload, the MQTT service consumes additional network data bandwidth. There should be a Sparkplug publication only when data changes. With this issue, when there is...more

In PAC Project Demo, PAC Display Basic Configurator does not start

Knowledge Base - KB88808 - 5/6/2020

In PAC Project Demo 10.2004 or 10.2005, PAC Display Basic Configurator does not start, displaying an error message about missing DLLs.

Update Auto Tags removes valid tag on I/O unit

Knowledge Base - KB88803 - 1/15/2020

Incorrect file operations are displayed on internal and external monitors

Knowledge Base - KB88781 - 5/5/2020

groov View Level Indicator in vertical orientation is shorter than before

Knowledge Base - KB88783 - 5/18/2020

When displayed vertically in the groov View user interface, the Level Indicator is shorter than in prior versions. This issue occurs because the gadget is leaving space for a label at the bottom even...more

Writing NaN (Not A Number float value) to analog output is not ignored

Knowledge Base - KB88780 - 5/5/2020

Writing NaN (Not A Number float value) to an analog output should be ignored. However, this issue causes the following: In PAC Control, when you read the analog output, you'll see 1.#QNAN. In...more

PAC Display Runtime: Graphics do not update on a window opened by a button

Knowledge Base - KB88728 - 12/20/2019

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.

Move Numeric Table to I/O Unit (and Ex) commands do not work with pointer tables

Knowledge Base - KB88597 - 5/5/2020

In PAC Control, if you specify a pointer table as the source for the Move Numeric Table to I/O Unit and Move Numeric Table to I/O Unit Ex commands, the command will have no effect.

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.