Fb Error Messages; Structure Of The Status Output Parameter - Siemens SIMATIC RF120C Operating Instructions Manual

5.3

FB error messages

5.3.1

Structure of the status output parameter

There is always an error status in the Ident profile function if the output parameter
ERROR = TRUE. The error can be analyzed (decoded) using the STATUS output
parameter.
The STATUS output parameter is made up of 4 bytes:
Byte
Byte 0
Byte 1
Byte 2
Byte 3
Communications module RF120C with application blocks for S7-1200 and S7-1500
Operating Instructions, 07/2013, C79000-G8976-C328-01
Meaning
Function numbers
Cx - error in bus communication (backplane bus, PROFINET,
•
PROFIBUS)
E1 - transponder-related error
•
E2 - error on the air interface
•
E4 - reader hardware fault
•
E5 - error in the communication between reader and FB
•
E6 - error in the user command
•
E7 - error message generated by the FB
•
Error numbers
This byte defines the meaning of the error code and the warnings. The error
numbers have the followinig meaning:
0x00 - no error, no warning
•
0x80 - error message from the backplane bus or from PROFIBUS DP-V1
•
or PROFINET (in accordance with IEC 61158-6)
0x81 ... 0x8F - the controller reports an error according to the parameter
•
"x" (0x8x).
0xFE - error from the Ident profile or communications module/reader
•
Error code
Warnings
In this byte, each bit has a separate meaning.
Service and maintenance
5.3 FB error messages
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