3. Diagnosis
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Festo Festo P .BE CP FB13-E-EN en 9910c
3.6 Online diagnosis with STEP 7 (version 5.0)
Direct diagnostic events in conjunction with the Festo valve
terminal can be:
– decentral periphery: station failure
- communication between slave and master
interrupted
– Faulty component (see device-specific diagnosis)
– Operating status transition from START to RUN (nominal/
actual difference exists)
- The configuration data of the valve terminal do not
agree with the periphery
- Valve terminal has incorrect DIL switch / rotary switch
setting
3.6.1 Diagnostic buffer STEP 7 (version 4.x, 5.0)
The diagnostic buffer of STEP 7 offers the possibility of dis-
playing diagnostic events of the S7 system in the sequence in
which they occur.
Prerequisites:
– HW Config has been accessed
Proceed as follows (Fig. 3/12):
1. Switch from offline to online 1
2. Click with the right-hand mouse button on the CPU in the
rack 2. A menu appears.
3. Click “Module Information” The window “Module Informa-
tion” 3 appears.
4. Select the rider “Diagnostic buffer” 4
5. Mark the event 5 and read the details on the event.
These supply more detailed information on further pro-
cedures and depend on the S7 controller used.