Diagnostics With Step 5 - Siemens SIMATIC S5 Manual

IM 308-C – addressing, diagnostics and use of the FB IM308C

9.2 Diagnostics with STEP 5

Overview
Structure of
diagnostics
Over-
view dia.
Master status
Data-transfer list
Slave diagnostics
Scope of slave-specific
diagnostics depends on
slave type
Figure 9-1 Diagnostics structure
9-12
Diagnostics means identifying and pinpointing errors. You require the
FB IM308C function block to read the diagnostic data.
Diagnostics consists of master diagnostics and slave diagnostics.
Master diagnostics comprises the diagnostic functions implemented in the
DP master for the DP slaves of the master, and for the status of the DP
master.
Slave diagnostics comprises detailed diagnostic messages for each DP slave.
... indicates which DP slaves report diagnosis
... indicates the status of the DP master as RUN,
CLEAR or STOP
... marks the DP slaves with which data transfer has
taken place
Station
status
Master stat. No.
Manufacturer ID
Slave-specific diagnostics
diagnostics
spec. diag.
Channel diagnostics
... provides an overview of the diagnostics for a
DP slave
... indicates which DP master has access to
the DP slave
... provides information on the type
of DP slave
Station
... provides general information on
the DP slave
ID-
... indicates which module in a
DP slave reports an error
... indicates which
channel of the
DP slave reports an
error
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a