Siemens SIMATIC S7-400 Reference Manual page 411
Automation system module
data
Hide thumbs
Also See for SIMATIC S7-400:
- Installation manual (316 pages) ,
- Hardware and installation manual (298 pages) ,
- Manual (206 pages)
Table of Contents
Advertisement
Byte 7
Byte 8
Bytes 9 to 24 of the SM 421; DI 16 x UC 24/60 V
Data record 1 contains the channel-specific diagnostic data, starting at bytes 9 to 24. The figure
below shows the assignment of the diagnostic byte for a channel of the module.
Table B-8
Byte 9-24
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Byte
Bit
7
Channel error 7
6
Channel error 6
5
...
4
...
3
...
2
...
1
Channel error 1
0
Channel error 0
7
Channel error 15
6
Channel error 14
5
...
4
...
3
...
2
...
1
Channel error 9
0
Channel error 8
Diagnostic byte for a channel of the SM 421; DI 16 x DC 24 V
Byte
Bit
7
0
6
0
5
0
4
Wire break
3
0
2
0
1
0
0
Configuring/parameter assignment error
B.3 Diagnostic data of the digital input modules as of byte 2
Meaning
Meaning
Diagnostic data of signal modules
411
- Quick Links:
- Fault/Error Messages Via Leds
Hide quick links:
Advertisement
Table of Contents
