full, the oldest event is overwritten. The list cannot be cleared and its content
cannot be erased.
The internal events in this list not only refer to faults in the IED, but also to other
activities, such as change of settings, clearing of disturbance reports, and loss of
external time synchronization.
The information can only be retrieved from the Parameter Setting software
package. The PC can be connected either to the port at the front or at the rear of the
IED.
These events are logged as internal events.
Table 46: Events available for the internal event list in the IED
Event message: Description Generating signal:
INT--FAIL Off Internal fail status INT--FAIL (reset event)
INT--FAIL INT--FAIL (set event)
INT--WARNING Off Internal warning status lNT--WARNING (reset event)
INT--WARNING lNT--WARNING (set event)
IOn--Error Off In/Out module No. n status IOn--Error (reset event)
IOn--Error IOn--Error (set event)
ADMn-Error Off Analog/Digital module No. n
status
ADMn-Error (reset event)
ADMn-Error ADMn-Error (set event)
MIM1-Error Off mA-input module status MIM1-Error (reset event)
MIM1-Error MIM1-Error (set event)
INT--RTC Off Real Time Clock (RTC) status INT--RTC (reset event)
INT--RTC INT--RTC (set event)
INT--TSYNC Off External time synchronization
status
INT--TSYNC (reset event)
INT--TSYNC INT--TSYNC (set event)
INT--SETCHGD Any settings in IED changed
DRPC-CLEARED All disturbances in Disturbance
report cleared
The events in the internal event list are time tagged with a resolution of 1ms.
This means that, when using the PC for fault tracing, it provides information on
the:
•
Module that should be changed.
•
Sequence of faults, if more than one unit is faulty.
• Exact time when the fault occurred.
Section 14 1MRK 505 378-UEN A
Troubleshooting
286 Line differential protection RED670 2.2 IEC
Commissioning manual
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