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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
11-26 A5E00105492-03
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The module status reflects the status of the configured address areas, and
provides detailed ID-specific diagnostics with respect to the configuration. Module
status starts with module diagnostics and consists of a maximum of 13 bytes.
Byte x
Byte x+1
Byte x+2
0
H
0
H
Byte x+3
Status type: module status
always "0"
always "0"
Byte x+4
7
1st configured address area
6
Byte x+5
70
1
2nd configured address area
3rd configured address area
4th configured address area
5th configured address area
23456
Module ok.;
valid data
Module fault;
invalid data
(defective mode)
Wrong module:
invalid data
No module:
invalid data
7
0123
4
5
6
00
Length of module status incl. byte x (max. 13 bytes)
Code for device-related diagnostics
70
1
23456
00110000
2 = module status
H
Code for status message
Byte x+6Byte x+6
Byte y-1
7
7
0
0
1
1
6th configured address area
30th configured address area
7th configured address area
31st configured address area
8th configured address area
32nd configured address area
2
2
3
3
4
4
5
5
6
6
00 00
00B:
01B:
10B:
11B:
CPU slot
9th configured address area
0
0
.
.
.
.
Figure 11-8 Structure of the module status
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