
Diagnostic data of signal modules
B.4 Diagnostic data of the digital output modules as of byte 2
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
433
Bytes 2 and 3 of the SM 422; DO 16 x AC 20-120 V/2 A
Table B- 15 Bytes 2 and 3 of the diagnostic data of the SM 422; DO 16 x AC 20-120 V/2 A
Byte Bit Meaning
7 0
6 0
5 0
4 0
3 0
2 Operating mode 0: RUN; 1: STOP
1 0
Byte 2
0 0
7 0
6 0
5 0
4 0
3 0
2 EPROM error
1 0
Byte 3
0 0
Bytes 4 to 8 of the SM 422; DO 16 x AC 20-120 V/2 A
Table B- 16 Bytes 4 to 8 of the diagnostic data of the SM 422; DO 16 x AC 20-120 V/2 A
Byte Bit Meaning
7 0
6
5
4
3
2
1
Byte 4
0
Channel type B#16#72: digital output
7
Byte 5
0
Number of diagnostics bits that the module outputs per channel: 8 bits long
Komentarze do niniejszej Instrukcji