Some groov discrete input channels configured with On/Off totalization feature may return an invalid measurement

Applies To:

Firmware for the following groov I/O modules:

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

Versions Affected:

All versions prior to R1.3d of the following modules:

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

All versions prior to R1.3e of the following modules:

GRV-IDCIFQ-12

Resolved In Version:

R1.3d of the following modules:

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

R1.3e of the following modules:

GRV-IDCIFQ-12

Symptoms:

For the affected modules, if one or more channels is configured with the On/Off-time totalization feature, when the PAC Control command Get & Restart On/Off-Time Totalizer command retrieves the totalization value, on very rare occasions, the returned measurement may be an invalid value of 429496.7 seconds.

Workaround:

In the PAC Control strategy, add programming logic to filter out totalization measurements of 492496.7 seconds.

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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