VAMP Ltd
Arc protection system
Operation and configuration instructions
VAMP 221
VM221.EN013
VAMP 24h support phone : +358 (0)20 753 3264
7
1.1.2.
I/O units VAM 10L, VAM 3L, VAM 3LX and
VAM 4C
L1/L3 L2/Io
4.0
2.0
1.0
0.5
0.1
x In
POWER
COM
ERROR
COM 1
COM 2
L1
L2
L3
CURRENT TRANSFORMER
Addr.
Zone2
Zone1
Zone4
Zone3
SW1
TRIP
VAM 4C
16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
X2
X1
SW1
Addr.
Zone
L+I / L
Latch
BI/O
SENSOR
OK
ACT
TRIP
COM 1
COM 2
POWER
COM
ERROR
CH1
CH2
CH3
SENSOR INPUTS
R1
T1
R2
T2
R3
T3
VAM 3L
X2
16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
SW1
SENSOR
OK
ACT
COM 1
COM 2
POWER
COM
ERROR
TRIP
Addr.
Zone
L+I / L
Latch
L> ext/int
SENSOR INPUTS
1
2
3
4
5
6
7
8
9
10
M
OELLER
X1
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VAM 10L
VAM_famil
SW1
Addr.
Zone
L+I / L
Latch
BI/O
SENSOR
OK
ACT
TRIP
COM 1
COM 2
POWER
COM
ERROR
CH1
CH2
CH3
SENSOR INPUTS
R1
T1
R2
T2
R3
T3
VAM 3LX
X2
16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
CH1
CH2
CH3
Adj
Adj
Adj
Figure 1.1.2-1 I/O units VAM 10L, VAM 3L, VAM 3LX and VAM 4C
•
Sensors are connected to the central unit via I/O units.
•
VAM 10L accommodates up to 10 arc sensors
•
VAM 3L accommodates up to 3 fibre loops
•
VAM 3LX accommodates up to 3 fibre loops with sensitivity
adjust
•
VAM 4C accommodates up to 3 current transformers
•
The I/O units are equipped with one output trip relay.
•
Indication of active sensor.
•
Protection zone addresses (max. 4 zones)
•
Detachable external wiring terminal blocks (does not apply
to the current terminals of VAM 4C).
•
Connection for a portable arc sensor (VAM 10L , 3LX and
3L)
•
Free placement in the switchgear.
•
Intra-unit cabling with factory-made modular cable or
instrumentation cable.