Connections; Digital Input - VAMP 140 Operation And Configuration Instructions

VAMP 140
4.
4.1.
38
Overcurrent and earth-fault relay
Technical description

Connections

Figure 2.5.2-1 Connections on the rear panel of the VAMP 140 relay.
The VAMP 140 relay is connected to the protected object
through the following measuring and control connections:
Phase currents IL1, IL2 and IL3 (terminals X1: 1-6)
•
Residual current I0 (5 A input: terminals X1: 9-10, 1 A
•
input: terminals X1: 7-8)

Digital input

Further the relay can collect position information and alarm
signals via the digital input (terminals X2: 4-5) and store the
information in the event register.
The digital input can be used to:
Block protection stages under certain conditions.
•
Get time stamped event code from any auxiliary
•
contact.
Control the output relays.
•
Supervise the trip circuit.
•
Potential-free contacts for position indication must be available
in the protected application.
Vamp 24h support phone +358 (0)40 573 6316
VAMP Ltd
VM140.EN011