VAMP Ltd
Arc protection system
Operation and configuration instructions
VAMP 221
VM221.EN013
VAMP 24h support phone : +358 (0)20 753 3264
21
2.2.3.
I/O unit VAM 3LX - front plate
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
1
12
3
4
5
6
7
9
10
11
8
2
1
2
3
4
5
6
7
8
OFF
ON
VAM3L
CH1
CH2
CH3
Adj
Adj
Adj
Figure 2.2.3-1 Arc fibre sensor I/O unit VAM 3LX
1.
Connection for portable arc sensor (VA 1 DP)
2.
Programming switches
3.
POWER indicator light, indicates that the supply
voltages of each component are in order.
4.
COM indicator light, lit when the central units and I/O
units are communicating. See page 16.
5.
ERROR indicator light, indicates an internal fault
detected by the component’s self-diagnostics. Such faults
include faulty arc sensor or changes in the amount of
sensors. See page 16.
6.
Connector sockets for the VX001 modular cables
7.
LED lights indicating sensor activation
8.
Terminals for three fibre sensors
9.
Portable arc sensor VA 1 DP connected and operational
10.
Portable arc sensor activated
11.
I/O unit trip relay activated
12.
Terminal block for external communication and BI/O
channels and trip signal
13.
Sensitivity adjustments for each fibre sensor channels
