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Diagnostics with the CP 440
8.4 Diagnostics via the diagnostic buffer of the CP 440
To do this, proceed as follows:
1. Open the relevant SIMATIC 400 station (by double-clicking on it or selecting the Edit >
Open menu command).
2. Open the "Hardware" object contained in it (again by double-clicking it or by selecting the
Edit > Open menu command).
Result: The window containing the configuration table appears.
3. Select the CP 440 in the configuration table.
4. Choose the PLC > Module Information menu command.
Result: The "Module Information" tab appears for the CP 440. The "General" tab is
displayed by default the first time you call it.
5. Select the "Diagnostic Buffer" tab.
Result: The "Diagnostic Buffer" tab displays the most recent diagnostic events of the
CP 440. Any "result details" on the cause of the problem appears in the lower part of the
tab.
The event's numeric code is displayed in the "Event ID" field. The 16#F1C8 prefix is fixed.
By clicking the "Help on Event" button you can display the help text on the event text.
If you click the "Update" button, the current data is read from the CP 440. By clicking the
"Help on Event" button you can display a help text on the selected diagnostic event with
information on error correction.
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Point-to-point connection CP 440 Installation and Parameter Assignment
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Manual, 09/2007, A5E00057742-03
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