KB88545
Published: October 14, 2019
Revision: 2.0

Tags are not refreshed correctly after a restart


Applies To:

Opto 22 groov EPIC and SNAP PAC Driver module, available from Cirrus Link website and also delivered in firmware for GRV-EPIC-PR1

Versions Affected:

3.3.0-3.4.7, 4.0.0-4.0.1 of Opto 22 groov EPIC and SNAP PAC Driver module
Al versions prior to 1.4.3 of GRV-EPIC-PR1

Resolved In Version:

3.4.8 of Opto 22 groov EPIC and SNAP PAC Driver module
4.0.2 of Opto 22 groov EPIC and SNAP PAC Driver module
1.4.3 of GRV-EPIC-PR1


Symptoms:

When you work with Ignition or Ignition Designer and the Opto 22 groov EPIC and  SNAP PAC Driver module, when tag lists are restored after any of the following events, some of the OPC-UA tags may appear valid but are not updated with current controller values. Strings will be blank and numeric tags will be 0. When scanned values change in the controller, their values update the OPC-UA tag.

Events that may trigger this issue include:

  • A stopping and starting of the Opto 22 groov EPIC and  SNAP PAC Driver module (through Ignition Edge).
  • Recovery from a communication fault.
  • A download of the strategy.

Resolution:

Opto 22 has resolved this issue.

Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


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