When Ethernet peer-to-peer OptoControl controllers can no longer exchange data

Applies To:

SNAP-LCM4
M4RTU
M4
M4 I/O

Versions Affected:

Problem was discovered in version: OptoControl Kernel R4.1c
Problem is fixed in version: OptoControl Kernel R4.1d

Resolved In Version:

Problem is fixed in version: OptoControl Kernel R4.1d

Symptoms:

In a peer-to-peer network of OptoControl controllers, data can no longer be sent to a peer controller. Sessions are reported as closed, and the controller is no longer able to communicate over Ethernet. Error “–51 Bad port” may be reported.

Resolution:

Opto 22 has resolved this issue. The error reported is changed to “-74 Session not open.”

Questions?

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

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