Siemens Simatic S7-400 - Page 427

The following table shows the assignment of the odd diagnostic bytes (bytes 9, 11, to 23) for
a channel of the module.
Table B-28 Odd diagnostic byte for a channel of the SM 431; AI 8 x 16 bit
Byte Bit Meaning
Byte 8-23
odd
7 User calibration does not correspond to the parameter assignment
6 0
5 0
4 0
3 Runtime calibration error
2 0
1 0
0 0
Diagnostic data of signal modules
B.5 Diagnostic data of the analog input modules as of byte 2
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 427