Online Diagnostics With Step 7; Read Out Diagnostic Buffer With Step 7 (Up To V 5.5) - Festo CTEU-PB Electronics Description

3. Diagnostics
3.5

Online diagnostics with STEP 7

3.5.1 Read out diagnostic buffer with STEP 7 (up to V 5.5)

Requirement
3-20
Direct diagnostic events in relationship with the bus node
can be:
– Decentralised peripherals: Station failure
- Communication between bus node and master
interrupted
– Module (bus node or DP master) faulty (see device-specific
diagnosticsTab. 3/6)
– Change of operating status from STARTING UP to RUN
(nominal/actual difference exists)
- Configuration data of the bus node do not
agree with the peripherals
- Bus node has incorrect DIL setting
HW Config is called up.
Proceed as follows (Fig. 3/6):
1. Switch from offline to online 1.
2. Click with the right mouse button on the CPU in rack 2.
3. Click on [Module information...] in the displayed context
menu.
The corresponding dialogue window is displayed (see
Fig. 3/6, 3 ).
4. Click on the tab "Diagnostic buffer" 4.
5. Click on the event and read the details 5. They provide
you with more precise information on the further proced-
ure, and are dependent on the S7 controller used.
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English