Protocol Cancel Request Error

What does C404H mean?

This error occurs when a cancellation request is received for the m-th protocol while multiple protocols are being executed continuously by the GP.ECPRTCL instruction. The Ethernet module records the protocol number m currently being executed and the receive packet number of successfully collated protocols (1 to m-1) that were already executed.

• A cancel request is received during execution of the mth protocol while multiple protocols are executed continuously.

Click steps to track your progress.

1. 1

   Check if an external cancellation request was sent during GP.ECPRTCL instruction execution to verify intentional cancellation.