CPU Diagnostics (Error Log)

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Read Errors: fetches the actual contents of the CPU diagnosis buffer (max. 100 entries possible at the moment).

Acknowledge: acknowledges one selected entry. The display will refresh automatically and the time of the acknowledge is shown.

Clear All Errors: clears the error buffer on the PLC.

Note

As a result of the Clear Errors command the PLC could go into RUN after next run command.

Description of the columns:

  • Index: Sequence of the errors entered in the diagnosis buffer, with icon reflecting the states active/inactive/acknowledged/not acknowledged.
  • State: Active/inactive: When inactive the reason for the entry is gone ““ with timestamp (“Time dis.”).
  • Acknowledged: If yes, the timestamp in Time ack. column is also displayed.
  • Class: Severity classes E1-E4 (E1 is most severe).
  • Description: A description for this error code is displayed (multilingual). The last columns Comp, Dev till Error number are needed to decode this message.
  • Online Text: Error or warning message delivered from the firmware (non multilingual).
  • Mostly: Indicates the Communication Module position (Ext.1-4) or I/O Bus Module where a problem exists.