Chapter 12. Diagnostics
GFK-2224Q January 2017 229
Minor Error Codes for Major Error Code A0H (at Client PLC)
Remote exchange is not healthy.
Remote exchange is not defined.
Remote exchange signature does not match.
Request data length is invalid.
Response data length is invalid.
Invalid memory type selector or address range at remote device.
Password protection does not permit access at remote device.
Attempt to write to a consumed exchange; this is not permitted.
Internal resource error at remote device (memory allocation failed, etc.)
Message delivery error; command was not processed.
Software initialization error; command was not processed.
Invalid RDS session was specified.
Data buffer length is invalid.
Invalid response message from remote device.
Address type is not supported at remote device.
A memory access error occurred while processing this command.
Remote device did not understand the request.
Remote device has no variable defined at the specified address.
An attempt was made to write a Read-Only variable at remote device.
Data length or contents are invalid for transfer according to the data type of that variable
at remote device.
Response message would exceed max response size (1400 bytes).
The remote server detected an unsupported protocol version in the request.
The remote server did not recognize the requested command.
The remote server detected a configuration time mismatch in the request.
The remote server detected that the request was not a valid RDS message. The
RDS_Header bit (required by RDS version 2.01 and higher) was not set.
Attempt to establish a second session to a remote server. Only one session at a time is
permitted between this device and each remote server.
All available RDS sessions are currently in use. (The number of simultaneous RDS sessions
is limited to a maximum of 10.)
EGD signature mismatch in the midst of a run mode store. Retry your COMMREQ after
updates to the target device are complete.
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