Structure Of Station Diagnostics For Digital Et 200C Modules - Siemens SIMATIC ET 200C Manual

Structure: Station
A certain number of bytes is reserved for station diagnostics of each slave
Diagnostics station. The precise number depends on the station type.
The tables below illustrate the structure of station diagnostics for ET 200C:
Table 8-6
Diagnostics byte 0
Diagnostics byte 1
Diagnostics byte 2
Diagnostics byte 3
Diagnostics byte 4
Diagnostics byte 5
Diagnostics byte 6
Diagnostics byte 7
Diagnostics byte 8
Diagnostics byte 9
Diagnostics bytes 10 to
12
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
Fault Diagnostics with the IM 308-C

Structure of Station Diagnostics for Digital ET 200C Modules

Byte
Station status 1 – PROFIBUS DP standard
Station status 2 – PROFIBUS DP standard
Station status 3 – PROFIBUS DP standard
Master station number – PROFIBUS DP
standard
Manufacturer identification (high) –
PROFIBUS DP standard
Manufacturer identification (low) –
PROFIBUS DP standard
Header (device-related diagnostics)
Device-related diagnostics
16 DI/16DO: group diagnostics
8 DI, 8DO, 8DO/2A: free
Reserved
Device-related diagnostics
16 DI/16DO: free
8 DI, 8DO, 8DO/2A: individual diagnostics
free
Content
8-7