Configuration, programming
4.7 FTP communication
CP 1543-1
Operating Instructions, 12/2019, C79000-G8976-C289-08
55
Evaluating status codes
Evaluation for BUSY = 0
Do not evaluate the status displays until BUSY = 0.
Status 8Fxx
H
For entries coded with status 8Fxx
H
, refer to the information in the STEP 7 Standard and
System Functions reference manual. The chapter describing error evaluation with the
RET_VAL output parameter contains detailed information.
Table 4- 9 FTP_CMD: Meaning of the STATUS parameter in conjunction with DONE and ERROR
No job is being executed.
H
the job was completed without error.
The job was initiated for the first time.
H
0 1 80C4
H
Communication error (occurs temporarily, it is usually best to repeat
the job in the user program).
H
The configuration does not match the job parameters.
0 1 8401
H
Unknown error
Possible causes:
• A timeout was detected on the connection.
• The FTP server has aborted the connection.
Remedy: Send the QUIT and CONNECT commands again to re-
establish the connection.
0 1 8402
H
The connection has an error status.
The timeout of the connection may have been exceeded or the FTP
server may have terminated the connection.
Remedy: Send the QUIT and CONNECT commands to re-establish the
H
FTP server is not obtainable.
H
Timeout for current action
H
File was not found on the FTP server.
H
File could not be fetched.
Setting the TCP port for the data connection has failed.
H
Offset information does not match.
Error changing the specified directory
H
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