7-18
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
7.3.5
Device-related Diagnostics – Digital ET 200C
The device-related diagnostics indicate which inputs or outputs are defective.
The header provides information on the length of the device-related diagnos-
tics.
The STEP 5 program is programmed as follows:
STL
Explanation
L KY n,3
T PW 252
L PW 252
L KH 0700
!=F
BEB
SPB FBx
Store the number of the slave
station (n = station number), for
which the device-related diagnostics
are to be requested, in the
”Diagnostics address” byte; store
the code for ”header” or
”device-related diagnostics” (group
diagnostics) for 16 DI/16 DO (code =
3) in the ”Diagnostics a 1”
byte.
Load diagnostics word
Fault?
Evaluate fault in FBx.
Introduction
Request Header
and Device-related
Diagnostics for
16 DI/16 DO
Fault Diagnostics with the IM 308-B
Summary of Contents for SIMATIC ET 200C
Page 18: ...xviii ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Contents ...
Page 26: ...1 8 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Configuration ...
Page 44: ...2 18 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b ET 200C Configuration Options ...
Page 68: ...3 24 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b ET 200C Components ...
Page 202: ...10 4 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b General Technical Specifications ...
Page 226: ...11 24 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Digital Modules ...
Page 270: ...12 44 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Analog Modules ...
Page 280: ...13 10 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Other ET 200C Components ...
Page 310: ...C 4 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Safety Related Guidelines ...
Page 318: ...Glossary 8 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Glossary ...
Page 324: ...Index 6 ET 200C Distributed I O Station EWA 4NEB 812 6119 02b Index ...