Siemens SIMATIC ET 200M Operating Instructions Manual page 200

Interrupt, error and system messages
9.1 PROFIBUS DP
9.1.3.6 Identifier-related diagnosis
Definition
The identifier-related diagnosis states whether modules of the ET 200M are faulty. The ID-
related diagnosis starts at byte 6 and comprises 3 bytes.
Structure of the identifier-related diagnosis
The module status for the ET 200M is structured as follows:
Figure 9-4
198
Structure of the identifier-related diagnosis
Operating Instructions, 12/2008, EWA-4NEB780600602-08
ET 200M