Siemens SIMATIC ET 200S - Reading out the diagnosis

Commissioning and Diagnostics
6-67
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
6.2.6.1 Reading out the diagnosis
Ways of reading the diagnosis
Table 6-29 Reading out the diagnosis with STEP 7
PLC system with
I/O controller
Block o r
register in STEP 7
Application See .
SIMATIC S7 Open in
HWCONFIG via
station > online
Device diagnosis as plain
text on STEP 7 interface
(in the fast view,
diagnostics view or
module status)
The section on hardware
diagnostics in the STEP 7 online
help system
SFB 52
”RDREC”
Read data sets from the
I/O device
For SFB, see the STEP 7 online
help system (system functions/
system function blocks)
SFB 54
”RALRM”
Interrupt received from
I/O device
For SFB, see the STEP 7 online
help system (system functions/
system function blocks)