Siemens SIMATIC ET 200X, Manual

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Commissioning and Diagnostics
5-37
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
5.6.6 ID-specific diagnosis
Definition
The ID-specific diagnosis states whether or not the modules of the ET 200X are
defective. The module diagnosis begins as of byte 6 and comprises 3 bytes.
Module diagnosis
The module diagnosis for the ET 200X is structured as follows:
Byte 6
7 0
Bit no.
Length of the module diagnosis
including byte 6 (= 3 bytes)
Byte 7
Entry for ET 200X
Entry for expansion module 1
Entry for expansion module 2
Entry for expansion module 3
Entry for expansion module 4
Byte 8
Entry for expansion module 5
Entry for expansion module 6
Entry for expansion module 7
Code for module diagnosis
0 1 0 0 0 0 1 1
7 6 5 4 1
0 2 1
3
Entry for I/O section of basic module
Legend for the entry for a module:
Bit is set when
- a module is pulled
- an unconfigured module is inserted
- access to a module is not possible
- a module reports a diagnostic interrupt
Bit no.
Bit no.
See legend
Figure 5-9 Structure of ID-specific diagnosis for ET 200X