Diagnostics and maintenance
7.2 Memory reset / reset to factory defaults
CP 343-1 Lean
58 Equipment Manual, 01/2023, C79000−G8976−C198−09
• STEP 7 V5.5
– Hardware diagnostics and troubleshooting
– Communication diagnostics with special diagnostics
• STEP 7 Professional
In the "Diagnostics" tab in the Inspector window, you will see the following information:
– Entries in the diagnostics buffer of the CPU
– Information on the online status
In the "Online > Online and diagnostics" menu, you obtain the static information about
the module:
– General information on the module
– Diagnostics status
– Information on the interfaces
– Information relating to special diagnostics (folder "Functions" > Special diagnostics)
You will find further information on the diagnostics functions of STEP 7 in the STEP 7
information system.
7.2 Memory reset / reset to factory defaults
If the CP was configured with the "Status-dependent" protection level, the following two
functions are available only when the CPU is in STOP mode. You will find a setting in the
properties dialog of STEP 7 > "Options" > Module access protection tab.
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