VAMP 257 - Page 121

VAMP Ltd Feeder and motor manager
Technical description
VAMP 257
VM257.EN002 VAMP 24h support phone : +358 (0)20 753 3264
79
Setting parameters of arc I> protection:
ArcI>
Parameter Value Unit Default Description
ArcI> 0.5 … 10.0 pu 1.0 Setting value
ArcCn S1;
S2;
BI;
S1/S2;
S1/BI;
S2/BI;
S1/S2/BI
SI/S2/BI Arc sensor connection
(S1 = sensor 1 at terminal
X6:4-5, S2 = sensor 2 at
terminal X6:6-7)
S_On
Enabled;
Disabled
- Enabled Start on event
S_Off
Enabled;
Disabled
- Enabled Start off event
T_On
Enabled;
Disabled
- Enabled Trip on event
T_Off
Enabled;
Disabled
- Enabled Trip off event
Measured and recorded values of arc I> protection:
ArcI>
Parameter Value Unit Description
LCntr
Cumulative start counter, all the
arc activations
SCntr
Cumulative start counter, only
the selected ArcCn arc activations
TCntr Cumulative trip counter
Flt pu
The maximum value of fault
current (xIn)
Recorded
values
Load pu Pre-fault (load) current (xIn)
Setting parameters of arc I
0
> protection:
ArcI
0
>, ArcI
02
>
Parameter Value Unit Default Description
ArcIo>,
ArcIo2>
0.05 … 1.00 pu 0.10 Setting value (xIon)
ArcCn S1;
S2;
BI;
S1/S2;
S1/BI;
S2/BI;
S1/S2/BI
- SI/S2/BI Arc sensor connection
(S1 = sensor 1 at terminal
X6:4-5, S2 = sensor 2 at
terminal X6:6-7)
S_On
Enabled;
Disabled
- Enabled Start on event
S_Off
Enabled;
Disabled
- Enabled Start off event
T_On
Enabled;
Disabled
- Enabled Trip on event
T_Off
Enabled;
Disabled
- Enabled Trip off event