VAMP 259 - Page 130

2.23 Arc fault protection
(50ARC/50NARC)- optional
2 Protection functions
Technical description
130
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VM259.EN007
Recorded values of the latest eight faults
There are detailed information available of the eight latest
faults: Time stamp, fault type, fault value, load current before
the fault and elapsed delay.
Recorded values of the arc protection stages
ArcI>, ArcI
01
A, ArcI
02
> (50ARC/50NARC)
Parameter
Value
Unit
Description
yyyy-mm-dd
Time stamp of the recording, date
hh:mm:ss.ms
Time stamp, time of day
Type
pu
Fault type value. Only for ArcI>
stage.
Flt
pu
Fault value
Load
pu
Pre fault current. Only for ArcI>
stage.
Edly
%
Elapsed time of the operating time
setting. 100% = trip