Siemens ET 7Y Series Especificaciones Pagina 94

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Commissioning and Diagnostics
7-12
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
7.5 Diagnostics via diagnostic address with STEP 7
Malfunctions that occur in the ET 200S are indicated by the ”SF” LED, and the
cause is entered in the diagnostic buffer of the IM 151-7 CPU. Either the CPU
enters STOP mode, or you can respond to errors by means of error or interrupt
OBs in the user program.
To enable a response to be made, it must be possible to identify whatever caused
the problem by means of a diagnostic address.
Diagnostic addresses
If you run the ET 200S with a DP master from the SIMATIC S7 range on the
PROFIBUS-DP, diagnostic addresses are assigned in STEP 7 as follows:
You specify two diagnostic addresses during configuration:
PROFIBUS
ET 200S
DP master (SIMATIC S7)
Diagnostic address
Diagnostic address
When configuring the DP master, you specify
(in the associated project for the DP master)
a diagnostic address for the ET 200S.
During configuration of the ET 200S, STEP 7
sets the diagnostic address for slot 2 to 2045
by default for the ET 200S (in the associated
project for the ET 200S).
The DP master receives information on the
status of the ET 200S or on a bus
interruption by means of this diagnostic
address.
The ET 200S receives information on the status of
the DP master by means of this diagnostic
address.
Figure 7-2 Diagnostic addresses for the DP master and ET 200S
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