VAMP 221
Arc protection system
Technical description
VAMP Ltd
42
VAMP 24h Technical Support: +358 (0)20 753 3264
VM221.EN013
Terminal X1, right side
Terminal No.
Terminal No.
Terminal No.
Terminal No.
Symbol
Symbol
Symbol
Symbol
Description
Description
Description
Description
X1:2
IL1 (S2)
Current input 1 (S2)
X1:4
IL2 / Io(S2)
Current input 2 (S2)
X1:6
IL3 (S2)
Current input 3 (S2)
X1:8
TRIP 1
Trip relay 1
X1:10
TRIP 2
Trip relay 1
X1:12
TRIP 3
Trip relay 1
X1:14
TRIP 4
Trip relay 1
X1:16
TRIP ALARM
Normally open trip alarm relay
X1:18
SF(NC)
Self-supervision relay, closed when Relay energized
X1:20
SF(NO)
Self-supervision relay, open when Relay energized
Terminal X2
Terminal No.
Terminal No.
Terminal No.
Terminal No.
Symbol
Symbol
Symbol
Symbol
Description
Description
Description
Description
X2:1
Power LED
Power LED control (Unit 1)
X2:2
GND
Power + Trip LED GND (Unit 1)
X2:3
Trip LED
Trip LED control (Unit 1)
X2:4
X2:5
1A+
Trip output for VAM 3QD (Trip group 1)
X2:6
1A-
Trip output for VAM 3QD (Trip group 1)
X2:7
1B+
Trip output for VAM 3QD (Trip group 1)
X2:8
1B-
Trip output for VAM 3QD (Trip group 1)
X2:9
X2:10
X2:11
Power LED
Power LED control (Unit 2)
X2:12
GND
Power + Trip LED GND (Unit 2)
X2:13
Trip LED
Trip LED control (Unit 2)
X2:14
X2:15
2A+
Trip output for VAM 3QD (Trip group 2)
X2:16
2A-
Trip output for VAM 3QD (Trip group 2)
X2:17
2B+
Trip output for VAM 3QD (Trip group 2)
X2:18
2B-
Trip output for VAM 3QD (Trip group 2)