
Installing an External Sounder from a Node
The TS900 Node has two programmable outputs,
these can be utilised to drive an external sounder.
However, it is recommended that a remote power
supply is fitted next to the Node in order to provide
sufficient power for the external sounder. A relay
module such as the Menvier RM3A is also required
to drive the external sounder. The figure below
shows the connection details.
Auxiliary Tamper
These two terminals provide tamper protection to
auxiliarydevices suchaspowersupplies,extension
loudspeakers etc. If they are not used they must
be linked out.
Extension Loudspeakers
Up to two extension loudspeakers can be
connected across the [SPK+] and [H/O-] terminals
on the control panel PCB. The volume for the
loudspeaker is controlled by VR1"Speaker
Volume".
Aux
12V
RLY 2
COIL -
COIL -
SPARE 1
SPARE 2
TAMPER
RM3A
SAB
MODULE
REMOTE
POWER
SUPPLY
NODE
SPARE 3
SPARE 4
STROBE-
STROBE +
TAMPER OUT
TAMPER IN
TRIGGER
+12V
0V
TAMPER
CIRCUIT X
Program circuit
as: NIGHT
ZX
TX
COIL +
COIL +
RLY 2
COM
COM
N/O
N/O
N/C
N/C
RLY 1
RLY 1
12V
0V
+
-
A+
B-
Figure 17 External Sounders Connection - Node
1 x 16 Ohm Loudspeaker
2 x 16 Ohm Loudspeakers
SPK+
H/O -
SPK+
H/O -
Figure 18 Loudspeaker Connections
Typical
External Sounder
Control
Panel
H/O +
12V +
H/O -
0V
Tamper In
TR -
STB -
Tamper Out
TRG -
Strobe +ve
Strobe -ve
Trigger -ve
Figure 19 External Sounder Connections
System Installation TS790 & TS900 Installation Manual
14
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