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We get an error code 32775 when connecting our laptop to a Beckhoff PLC.

Error code stats 'TIsConnect failed: 'Target has rejected connection'

32775 error code in twincat

At that time, a route was already set up between the client's PLC and our laptop via a static IP address.

The error seems to occur when the system is put into Run mode but not 100% sure.

We have been in contact with the local Beckhoff support team but they don't have a clue.

We did 2 experiments

  • My colleague connected with his laptop and he can access and build on the PLC
  • I can access and build on any other Beckhoff PLC we have.

Some experienced something similar?

Best regards, Mathieu

本文标签： twincatError code 32775CTcpSocketOwner issue on Beckhoff PLCStack Overflow

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