Chapter 12. Diagnostics
226 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
SRTP Error Code Description
Timed out waiting to transfer a mailbox message to the PLC.
Timed out waiting for PLC CPU response.
Minor Error Codes for Major Error Code 90H (at Client PLC)
Timeout expired before transfer completed; still waiting on transfer.
Period expired before transfer completed; still waiting on transfer.
COMMREQ data block too short for the command.
COMMREQ data block too short for server PLC node address.
Invalid server memory type.
Invalid Program Block Name.
Zero server unit length is not allowed.
Server unit length is too large.
Invalid time unit for period. (Maximum permitted 3965 hours)
Period value is too large.
Zero server memory starting address is not allowed.
Invalid client memory type.
Invalid server host address type.
Invalid IP address integer value. (Must be 0–255)
Invalid IP address class. (Must be valid Class A, B, or C IP address)
May also occur if the destination IP address in the COMMREQ is same as the sender’s IP
Insufficient TCP connection resources to do request.
Zero local starting address is not allowed.
Address length value invalid. Must be 4 for address type 1.
COMMREQ data block too short for Program Block name (including 0 pad).
COMMREQ data block too short for Program name (including 0 pad).
Internal API error. See Controller Fault Table or exception log for details. This problem may
occur due to the Ethernet Interface being asked to perform beyond its capacity. Try
transferring less data per message or establishing fewer simultaneous connections.
Underlying TCP connection aborted (reset) by server end point.
Underlying TCP connection aborted by client end point.
The remote server has no Service Request Processor.
Response to session request did not arrive in proper order.
Session denied by server PLC.
Data response did not arrive in proper order.
Data response had unexpected size.
Unrecognized COMMREQ command code.
Invalid CRS word memory type.
Failed an attempt to update the CRS word.
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