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Diagnostics in PCS 7
7.18 Diagnostic tools
● Hardware diagnostics and troubleshooting
● Operating mode and operating mode transitions

Module information

Calling up quick information
1. Call up the quick information in SIMATIC Manager by selecting the menu command
2. Select the SIMATIC station with the menu command CPU > Diagnostics/Settings >
Additional diagnostics: select module and click "Module Information"
Calling up module diagnostics
1. Open HW Config.
2. Select the menu command Station > Open Online.
3. Select the module.
4. Select the menu command PLC > Module Information.
Diagnostics for the CPU
Extensive diagnostic checks are performed on a CPU.
Additional information:
Help on
Module data
Events in the
buffer and
about the
selected event
Component View > View > Online.
Hardware Diagnostics.
STEP 7 , "Diagnostics, hardware diagnostics and troubleshooting"
Detailed information
Data for identifying the
selected module Examples:
● Type
● Order number
● Firmware
● Version
● Status
● Slot in the rack
Analysis of the cause of a CPU
STOP, history of events at the
selected module.
Diagnostic data for the
selected module
Called using
General" tab
Diagnostic Buffer" tab
Service support and diagnostics (V8.0)
Service Manual, 03/2012, A5E02779775-02
Additional information
Comparison of
configured and inserted
Check of events in the
diagnostic buffer and
detailed information
about the selected event


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