Siemens ET 200S Manual page 161

The module status for the ET200S with the IM151-1 STANDARD, IM151-1 FO
STANDARD, and IM151-1 HIGH FEATURE is structured as follows:
Byte 15
Byte 16
Byte 17
Byte 18
Byte 19
Byte 20
Byte 21
Byte 22
Byte 23
Byte 24
Byte 25
Byte 26
Byte 27
Byte 28
Byte 29
Byte 30
Byte 31
Byte 32
Byte 33
Byte 34
Figure 6-24
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
7 6 5 0
Bit no.
0 0 0 1 0 1 0 0
Length of the module status
including byte 15 (= 20 bytes)
Code for module status
7 0
82
H
7 0
0
H
0
H
7 6 5 4 3 2 1 0
4
3 2 1
00 : Module OK; valid user data
B
01 : Module error; invalid user data
B
10 : Incorrect module; invalid user data
B
11 : No module (or module failure); invalid user data
B
Structure of the Module Status for the ET 200S with the IM151-1 STANDARD,
IM151 FO STANDARD, and IM151 HIGH FEATURE
Commissioning and Diagnostics
Status type: Module status
Not applicable
Not applicable
Bit no.
Modules 1 to 4
Modules 5 to 8
Modules 9 to 12
Modules 13 to 16
Modules 17 to 20
Modules 21 to 24
Modules 25 to 28
Modules 29 to 32
Modules 33 to 36
Modules 37 to 40
Modules 41 to 44
Modules 45 to 48
Modules 49 to 52
Modules 53 to 56
Modules 57 to 60
Modules 61 to 64
6-37