Page 56
WES
3
Installation and Operations Manual V2.0 Ramtech Electronics Limited 2020
The Interface has two auxiliary relay outputs and one auxiliary input.
These allow the WES
3
system to be expanded to interact with external
devices.
Pictured right is the layout of the connections inside the Interface Unit
The Interface unit should be installed by a suitably qualified person.
DO NOT connect the Interface to mains current.
Interface
The input is unmonitored. The connection of automatic or manual fire detection devices and active fire protection systems such as sprinklers, gas
suppression systems etc may require additional measures. Cable disconnection or damage could result in the alarm not activating when required
without any fault or warning indication.
All cable lengths must be less than 3 metres long.
Output
The outputs are rated for 24V at up to 2 Amps maximum.
Input
The input requires a “volt free” contact from a relay and should not be connected to power.
The input is unmonitored and connection of automatic or manual fire detection devices may require additional measures. Cable disconnection or
damage could result in the alarm not activating when required without any fault or warning indication.
When
NOT
in Alarm
When in Alarm
Normally Open (NO)
Normally Closed (NC)
Normally Open (NO)
Normally Closed (NC)
Common (C)
Common (C)
Alarm
NOT
Triggered
Alarm Triggered
IN-
IN+
IN-
IN+
