KB89055
Published: May 20, 2021
Revision: 1.0

Discrete (digital) input channels may not detect on or off latches


Applies To:

Firmware on the following modules

  • GRV-IAC-24
  • GRV-IACDCTTL-24
  • GRV-IACHV-24
  • GRV-IACI-12
  • GRV-IACIHV-12
  • GRV-IDC-24
  • GRV-IDCI-12
  • GRV-IDCIFQ-12
  • GRV-IDCSW-12

Versions Affected:

All versions


Symptoms:

With discrete (digital) input modules that support on or off latches (listed above), you may observe one of the following behaviors on a channel:

  • Starting from an off state and then clearing the on latch; then turn on the digital input. The on latch may not get set.
  • Starting from an on state and then clearing the off latch; then turn off the digital input. The off latch may not get set.

Resolution:

Opto 22 has resolved this issue and will include the fix in an upcoming release.

Questions?

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


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