Bytes 4 to 8 of the SM 431; AI 16 x 16 bit
Table B-19
Byte 4
Byte 5
Byte 6
Byte 7
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Bytes 4 to 8 of the diagnostic data of the SM 431; AI 16 x 16 bit
Byte
Bit
7
0
6
Channel type B#16#71: Analog input
5
4
3
2
1
0
7
Number of diagnostics bits that the module outputs per channel: 8 bits long
0
7
Number of channels of the same type in one module: 16 channels
0
7
Channel error 7
6
Channel error 6
5
...
4
...
3
...
2
...
1
Channel error 1
0
Channel error 0
B.5 Diagnostic data of the analog input modules as of byte 2
Meaning
Diagnostic data of signal modules
421