Operation Of Relay Outputs; Front - VDH Products PROBA 4 User Manual

Central alarm unit
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User manual
PROBA 4 Central Alarm Unit
3

Operation of relay outputs

The Central Alarm Unit has two relays. All terminals on the connection clamps of both relays are
available.
Relais 1
Relais 2
4

Front

* Drawing of the front of the Central Alarm Unit, drawing 110451w0
The alert relay is held closed in the idle state and will drop if any of the connected
panels on the network has generated an alert message.
Pulse relay, when a new alarm occurs the relay is activated for five seconds. For
instance an alarm dialer can be connected.
Document no. : 110525
Client : General
Version : V1.0
Page : 6 of 8

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