Siemens SIMATIC ET 200C Manual page 155

Structure:
The structure of the diagnostics word is as follows after the diagnostics
Diagnostics Word "Overview" has been requested:
"Overview"
Diagnostics word Diagnostics overview;
Diagnostics address
7 6 5 4 3 2 1 0
1: Station (n 16 + 7) has sent diagnostics message.
Figure 7-2 Structure of the Diagnostics Word after Requesting the Diagnostics "Overview"
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
Diagn. address + 1
7 6 5 4 3 2 1 0
1: Station (n
1: Station (n 16 + 15) has sent diagnostics message.
1: Station (n 16) has sent diagnostics message.
1: Station (n 16 + 1) has sent diagnostics message.
.
.
.
Fault Diagnostics with the IM 308-B
n = 0, 1, 2, ..., 7
1: Station (n 16 + 8) has
sent diagnostics message.
16 + 9) has
sent diagnostics message.
.
.
.
7-11