Hanwell Smart Receiver 2 (SR2)
Instruction Manual
IM6001 - 3 Page 14 of 22
hanwell.com
6 Additional Connections
The SR2 can be connected to other Hanwell or 3rd Party devices. These are connected using
the spring-loaded input sockets JP2, JP12 and JP13. See
6.1 Alarm Relays
The SR2 has three on-board relay outputs that can be used to send alarm notification to a
beacon or via an auto-dialer (or other 3rd party device).
These are connected via JP2 (See Appendix 1 – SR2 Connection Data), as follows:
Pin Connection Description
1 Relay 1 N/O
This relay closes and a nominal 12V
appears on Pin 1 in the event of any alarm
on the assigned Grids. It is fused via F1.
This suitable for driving alarm
beacons.
See Section 5.3 for additional options.
2 Relay Common
3 Relay Common
This is a Changeover Relay responding
to alarms in the software.
When no alarms exist, Pins 3 + 5 are
connected.
When an alarm exists, Pins 3 + 4 are
connected.
4 Relay 2 NC
5 Relay NO
6 Relay 2 Common
This is a changeover relay indicating the
mains power state of the SR2.
When power is present Pins 6 + 8
are connected.
When power fails Pins 6 + 7 are
connected.
7 Relay NC
8 Relay NO
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