VAMP 52 - Recorded values of the latest eight faults

2.5 Overcurrent protection I> (50/51) 2 Protection functions Technical description
52
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Parameters of the overcurrent stages I>>, I>>> (50/51)
Parameter Value Unit Description Note
Status -
Blocked
Start
Trip
Current status of the stage
F
F
SCntr Cumulative start counter C
TCntr Cumulative trip counter C
SetGrp 1 or 2 Active setting group Set
SGrpDI
-
DIx
VIx
LEDx
VOx
Digital signal to select the
active setting group
None
Digital input
Virtual input
LED indicator signal
Virtual output
Set
Force Off
On
Force flag for status forcing for
test purposes. This is a
common flag for all stages and
output relays, too.
Automatically reset by a 5-
minute timeout.
Set
ILmax A
The supervised value. Max. of
IL1, IL2 and IL3
I>>, I>>> A
Pick-up value scaled to
primary value
I>>, I>>> xImode Pick-up setting Set
t>>, t>>> s Definite operation time Set
For details of setting ranges see chapter 9.3.
Set = An editable parameter (password needed)
C = Can be cleared to zero
F = Editable when force flag is on
Recorded values of the latest eight faults
There is detailed information available of the eight latest
faults: Time stamp, fault type, fault current, load current
before the fault, elapsed delay and setting group.