KB88964
Published: February 11, 2021
Revision: 2.0

Send Communication Handle Command Fails (-52 error) When Ethernet Cable Unplugged


Applies To:

  • 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

Versions Affected:

R10.0h to R10.4a

Resolved In Version:

R10.4c


Symptoms:

When using an ftp communication handle in your PAC Control strategy with the command “Send Communication Handle Command”, it will fail with a -52 error under the following circumstances:

  • The Send Communication Handle Command uses the "send:" command.
  • The “send:” command string uses the IP address of the controller that the strategy is running on (i.e., not using the loopback address of 127.0.0.1).
  • The Ethernet cable is removed from the controller. 

Workaround:

Do either of the following:

  • Leave the Ethernet cable connected.
  • Specify the loopback address (127.0.0.1) in the “send:” command string.

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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