VAMP 259 - Page 129

Technical description
2 Protection functions
2.23 Arc fault protection
(50ARC/50NARC)- optional
VM259.EN007
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129
Parameters of arc protection stages
ArcI>, ArcI
0
>(50ARC/50NARC)
Parameter
Value
Unit
Description
Note
Status
-
Start
Trip
Current status of the stage
Light detected according ArcIn
Light and overcurrent detected
F
F
LCntr
Cumulative light indication
counter. S1, S2 or BI.
C
SCntr
Cumulative light indication
counter for the selected inputs
according parameter ArcIn
C
TCntr
Cumulative trip counter
C
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
I
0
Value of the supervised signal
Stage ArcI>
Stage ArcI
0
>
ArcI>
ArcIo>
pu
pu
Pick up setting xI
n
Pick up setting xI
0n
Set
ArcIn
–
S1
S2
S1/S2
BI
S1/BI
S2/BI
S1/S2/BI
No sensor selected
Sensor 1 at terminals X6:4-5
Sensor 2 at terminals X6:6-7
Sensor in terminals 1 and 2
Terminals X6:1-3 for BI
Sensor 1 and BI in use
Sensor 2 and BI in use
Sensor 1, 2 and BI in use
Set
Delayed light signal output
Ldly
s
Delay for delayed light output
signal
Set
LdlyCn
–
S1
S2
S1/S2
BI
S1/BI
S2/BI
S1/S2/BI
No sensor selected
Sensor 1 at terminals X6:4-5
Sensor 2 at terminals X6:6-7
Sensor in terminals 1 and 2
Terminals X6:1-3 for BI
Sensor 1 and BI in use
Sensor 2 and BI in use
Sensor 1, 2 and BI in use
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