ABB Relion 670 Series Commissioning Manual page 270

Section 14
Troubleshooting
The list of internal events provides valuable information, which can be used during commissioning
and fault tracing.
The internal events are time tagged with a resolution of 1ms and stored in a list. The list can store
up to 40 events. The list is based on the FIFO principle, when it is 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 48: Events available for the internal event list in the IED
Event message:
INT--FAIL
INT--FAIL
INT--WARNING
INT--WARNING
IOn--Error
IOn--Error
ADMn-Error
ADMn-Error
MIM1-Error
MIM1-Error
INT--RTC
INT--RTC
INT--TSYNC
INT--TSYNC
INT--SETCHGD
DRPC-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.
264
Description
Off Internal fail status
Off Internal warning status
Off In/Out module No. n status
Off Analog/Digital module No. n
status
Off mA-input module status
Off Real Time Clock (RTC) status
Off External time synchronization
status
Any settings in IED changed
All disturbances in
Disturbance report cleared
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Generating signal:
INT--FAIL (reset event)
INT--FAIL (set event)
lNT--WARNING (reset event)
lNT--WARNING (set event)
IOn--Error (reset event)
IOn--Error (set event)
ADMn-Error (reset event)
ADMn-Error (set event)
MIM1-Error (reset event)
MIM1-Error (set event)
INT--RTC (reset event)
INT--RTC (set event)
INT--TSYNC (reset event)
INT--TSYNC (set event)
Line distance protection REL670
Commissioning manual
1MRK 506 371-UUS E