VAMP 59 - Page 51

Technical description
2 Protection functions
2.5 Overcurrent protection I>
(50/51)
VM59.EN001
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51
Parameters of the overcurrent stage I> (50/51)
Parameter
Value
Unit
Description
Note
Status
-
Blocked
Start
Trip
Current status of the stage
F
F
TripTime
s
Estimated time to trip
SCntr
Cumulative start counter
Clr
TCntr
Cumulative trip counter
Clr
SetGrp
1 or 2
Active setting group
Set
SGrpDI
-
DIx
VIx
LEDx
VOx
Fx
Digital signal to select the
active setting group
None
Digital input
Virtual input
LED indicator signal
Virtual output
Function key
Set
Force
Off
On
Force flag for status forcing for
test purposes. This is a
common flag for all stages and
output relays, too. This flag is
automatically reset 5 minutes
after the last front panel push
button pressing.
Set
ILmax
A
The supervised value. Max. of
IL1, IL2 and IL3
Status
-
Start
Trip
Blocked
I>
A
Pick-up value scaled to
primary value
I>
xImode
Pick-up setting
Set
Curve
DT
IEC
IEEE
IEEE2
RI
PrgN
Delay curve family:
Definite time
Inverse time. See chapter 2.14.
Pre 1996
Set
Type
DT
NI
VI
EI
LTI
Para-
meters
Delay type.
Definite time
Inverse time. See chapter 2.14.
Set