5 Implementation of Modbus TCP
5.10 Diagnostic messages of the modules
104
XI/ON: XNE-GWBR-2ETH-MB
10/2011 MN05002008Z-EN
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• XN-1RS232
• XN-1RS485/422
• XN-1SSI
Table 56:
XN-1RS232
Diagnosis byte
Bit
Diagnosis
n
0
Parameterization error
1
Hardware failure
2
Data flow control error
3
Frame error
4
Buffer overflow
Table 57:
XN-1RS485/422
Diagnosis byte
Bit
Diagnosis
n
0
Parameterization error
1
Hardware failure
2
Data flow control error (only in RS422-mode)
3
Frame error
4
Buffer overflow
Table 58:
XN-1SSI
Diagnosis byte
Bit
Diagnosis
n
0
SSI group diagnostics
1
Wire break
2
Sensor value overflow
3
Sensor value underflow
4
Parameterization error