Structure Of The Module Status - Siemens SIMATIC S7-300 Hardware And Installation Manual
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Testing functions, Diagnostics and Fault Elimination
Module status
Module status returns the status of configured address areas and provides details
on the configuration of module diagnostics. Module status starts with module
diagnostics and consists of a maximum of 13 bytes.
Byte x
Byte x+1
Byte x+2
Byte x+3
Byte x+4
Byte x+5
Byte x+6
Byte x+6
Byte y-1
Figure 10-9 Structure of the module status
10-26
7
6
5
4
3
2
1
0
0 0
Length of module status incl. Byte x (max. 13 Byte)
Code for device-related diagnosis
7
6
5
4
3
2
1
0
1
0
0 0 0 0
1
0
2 = Module status
H
Code for Status message
always "0"
0
H
0
always "0"
H
6
7
0 0
0 0
CPU slot
1.configured address area
7
6
5
4
3
2
1
0
2. configured address area
3. configured address area
4. configured address area
5. configured address area
6
5
4
3
2
1
7
0
6. configured address area
7.configured address area
8.configured address area
9.configured address area
.
.
.
. .
.
.
.
6
5
4
3
2
1
7
0
0 0
30. configured address area
31. configured address area
32. configured address area
Status type: Module status
00B:
01B:
10B:
11B:
S7-300 Programmable Controller Hardware and Installation
module ok.;
valid data
module error;
invalid data
(defective module)
wrong module;
invalid data
no module;
invalid data
A5E00105492-01
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