3. Diagnosis
3−24
Festo P.BE−CPX−FB13−EN en 0811c
3.7Online diagnosis with STEP 7
Direct diagnostic events in conjunction with the CPX terminal
can be:
Decentral periphery station failure
communication between slave and master in
terrupted
Module faulty (see device−related diagnosis Tab.3/8)
Change of operating status from START to RUN
(nominal/actual difference exists)
configura
tion data of the CPX node do not agree with
the periphery
CPX node has incorrect DIL setting
3.7.1 Read out diagnostic buffer with STEP 7 (up to V 5.2)
Requirements:
HW Config must be accessed.
Proceed as follows (Fig.3/10):
1. Switch from offline to online 1.
2. Click with the right−hand mouse button on the CPU in
rack2.
3. Cli
ck on [Module Information...] in the displayed context
menu (Module status). The Module Information" window
is displayed 3.
4. Click on the registe
r Diagnostic Buffer" 4.
5. Click on the event and read the details 5. Here you will
find more detailed information on proceding further,
depending on the S7
controller used.
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