KB88418
Published: February 25, 2020
Revision: 3.0

Cannot enable communication to groov I/O unit


Applies To:

Firmware for GRV-EPIC-PR1

Firmware for:

  • SNAP-PAC-S1, SNAP-PAC-S1-FM, SNAP-PAC-S1-W
  • SNAP-PAC-S2, SNAP-PAC-S2-W
  • SNAP-PAC-R1, SNAP-PAC-R1-FM, SNAP-PAC-R1-W, SNAP-PAC-R1-B
  • SNAP-PAC-R2, SNAP-PAC-R2-FM, SNAP-PAC-R2-W
  • SoftPAC

Versions Affected:

GRV-EPIC-PR1 firmware: All versions prior to 1.4.0
PAC firmware: Version 10.0d or newer for SNAP-PAC/SoftPAC controllers to R10.0g

Resolved In Version:

GRV-EPIC-PR1 firmware: 1.4.0
PAC firmware: R10.0h


Symptoms:

If either of the following conditions occur after a PAC Control strategy has run, the control engine will not be able to enable communication to the affected groov I/O Unit and a -93 (I/O Unit Disabled) error will be posted to the control engine’s message queue:

  • Power is cycled on a remote groov I/O unit.
  • You Reset I/O to Defaults using groov Manage (Home > I/O > I/O Unit Configuration and Tools > Configuration > Reset I/O to Defaults)
Note: This issue does not occur the first time the PAC Control strategy is run after downloading the strategy to the control engine.

Workaround:

Clear control engine RAM and then download the strategy again.

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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