6 logbook, Logbook, And their histories – Lenze E84DSxxx User Manual
Page 335: Y the logbook, 9diagnostics & error management

Lenze · 8400 protec StateLine · Reference manual · DMS 4.2 EN · 03/2013 · TD05
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9
Diagnostics & error management
9.6
Logbook
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9.6
Logbook
The integrated logbook function of the controller chronologically logs important events within the
system and plays an important role for troubleshooting and controller diagnostics.
Events that can be logged
The following events can be logged in the logbook:
•
Error messages of the operating system
• Error messages generated by the application (via
)
• Switching the controller on/off
Information saved
For each event, the following information is saved in the logbook:
• Type of response to the event (e.g. fault, warning or information)
• Subject area that activated the event (e.g. CAN or USER).
• Event
• Value of power-on time meter
• Selected process values (analog % signals, binary signals)
Memory depth
Maximum number of logbook entries: 14 (extension is being prepared)