CPU Diagnostics (Error Log)

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

Via Acknowledge button it is possible to acknowledge one selected entry. The display will then refresh automatically and the time of the acknowledge is shown.

Clear All Errors will clear 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 must also be 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.