Siemens SIMATIC ET 200C Manual page 163

Structure:
The structure of the diagnostics word is as follows after requesting the header
Diagnostics Word and the device-related diagnostics for ET 200C; DI 16/DO 16
"Header" and
(code 3):
Device-related
Diagnostics for
16 DI/16 DO
Code for
diagnos-
Figure 7-7
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
Diagnostics Word "Header" and "Device-Related
Diagnostics (16 DI/16 DO)", Code = 3
Diagnostics address
"Header"
7 6 5 4 3 2 1 0
0 0 0 0 0 1 1 1
Length of the
I/"O individual diagnostics
incl. "header"
tics (length = 7 bytes)
Structure of the Diagnostics Word after Requesting the Header and the
Device-related Diagnostics of ET 200C; DI 16/DO 16
Fault Diagnostics with the IM 308-B
Diagnostics address + 1
"Device-related
diagnostics"
7 6 5 4 3 2 1 0
Output"4...7"
defective
Output"8...11"
defective
Output"12...15"
defective
Input "0...3"
defective
Input "4...7"
defective
Input "8...11"
defective
Input "12...15"
defective
DC 24V/DC
Output"0...3"
defective
DC 24V/2A
7-19