Siemens ET 200S - Page 158

Commissioning and Diagnostics
6-34
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
6.6.6 Module Diagnosis
Definition
The module diagnosis indicates whether or not modules of the ET 200S have
errors/faults. The module diagnosis begins as of byte 6 and comprises:
 3 bytes in the case of the IM151-1 BASIC
 9 bytes in the case of the IM151-1 STANDARD, IM151-1 FO STANDARD, and
IM151-1 HIGH FEATURE.
Module Diagnosis
The module diagnosis for the ET 200S with the IM151-1 BASIC is structured as
follows:
Byte 6
Bit no.
Byte 7
Byte 8
713654
2
0
Module: 1 to 8
Module: 9 to 12
7
1365
42
8
1112 10 9
Events on the correspon-
ding module are indica-
ted by set bits.
70
Bit no.
Length of the module diagnosis
including byte 6 (= 3 bytes)
Code for module diagnosis
01
65
110000
****
* Always “0”
Figure 6-21 Structure of the Module Diagnosis for the ET 200S with the IM151-1 BASIC