Commissioning and Diagnostics
6-13
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
6.3
Diagnostics Using STEP 7 and STEP 5
Slave Diagnostics
The slave diagnostics performs to the standard IEC 61784-1:2002 Ed1 CP 3/1.
Depending on the DP master, the diagnostics can be displayed for all DP slaves
which perform to standard, using STEP 7 or STEP 5.
Displaying and structuring the slave diagnostics is described in the following
sections.
Options for Displaying the Diagnosis
Table 6-7
Displaying the diagnosis using STEP STEP 7 and STEP 5
Programmable Logic
Controller with DP
Master
Block or Register in
STEP 7
Application
See ...
SIMATICS7/M7
DP slave diagnostics
register
Display slave diagnostics
as plain text on the
STEP 7 user interface
The section on hardware
diagnostics in the STEP 7
online help system
SFC 13 ”DPNRM_DG”
Display slave diagnosis
(store in data area of the
user program)
For the structure see
section 6.4;
for the SFC see System
SFC59 ”RD_REC”
Display data records of
the S7 diagnosis (store in
the data area of the user
program)
and Standard Functions
Reference Manual
FB 125/FC 125
Evaluate slave
diagnostics
On the Internet at
http://www.ad.siemen
s.de/simatic-cs
under the ID
387 257
SIMATIC S5 with the
IM 308C as DP master
FB192 ”IM308C”
Display slave diagnosis
(store in data area of the
For the structure see
section 6.4;
SIMATIC S5 with
S5-95U as DP master
FB230 ”S_DIAG”
user program)
Note: not for enhanced
diagnosis
for the FB see the ET200
Distributed I/O Device
manual
Note
Further possibilities for displaying diagnostic information can be found in the
manual SIMATIC Software; Programming with STEP 7 V5.x.
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