Siemens SIMATIC FM 453 Manual page 317

Troubleshooting
Overview The FM 453 provides diagnostics for the following:
This "Troubleshooting" chapter describes the different types of errors, their
cause, effect and elimination.
Error Localization
The FM 453 distinguishes between
In the event of diagnostic interrupt, STATUS LEDs light up in addition.
CPU
RAM
OB 82
Call SFC 52
Diag-
Write diagnost.interrupt info
nostic
FC DIAG_RD
backup
of CPU
OB 1
FC MODE_WR
FC RD_COM
. .
.
User DB
MPI
FM 453 Parameterize
PG (STEP 7)
Fig. 11-1 Overview of Diagnostics/Errors
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
I/Os
Module processes
Errors which trigger a diagnostic interrupt in the CPU, and
Errors which the module reports by way of checkback messages.
callup in user
program
OP
STEP 7-Info
FM 453
Diagnostic
interrupt
"binary" diagnostic
interrupt informa-
P bus
tion
Other
error message
SSL
Diagnos-
tic
backup
error his-
DB-SS
K bus tory
SSL – System Status List
SFC – System Function
DB-SS– Data block for status messages
11
External
channel er-
rors
External er-
rors
Internal
errors
Other
errors, op-
erating er-
rors
11-1