Siemens SIMATIC ET 200S - Module diagnosis

Commissioning and Diagnostics
6-34
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
6.1.6.6 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
71365 4
2
0
Module: 1 to 8
Module: 9 to 12
7
1365
42
8
1112 10 9
Events on the
corresponding module
are indicated by set bits.
70
Bit no.
Length of the module diagnosis
including byte 6 (= 3 bytes)
Code for ID-related diagnostics
01
65
110000
****
* Always ”0”
Figure 6-21 Structure of the ID-related diagnosis for the ET 200S with the IM151-1 BASIC