
Installation and Programming Manual
16
Wiring the Power Supply Expansion Module
CONNECTIONS COMMENTS
DIP Switches
§ each Power Supply (Expansion) Module must be given a unique
I.D. number identifying it to the system; use the table on page 14 to set the
DIP switches appropriately
Bus Terminals
AUX (Red) COM (Blk)
BUS (Yel) BUS (Grn)
§ the first four terminals at the left of the Power Supply Module are for the
connection to the Expansion Bus, originating at the Main Board
§ because the Power Supply Module has its own source of power-derived
through its connection to AC Power-do NOT connect the RED wire from
the Expansion Bus to the module; connect only the black, yellow, and
green wires from the bus to the appropriate BUS terminals (see Figure 2-6
on page 24)
§ from the point at which the Power Supply Module is wired to the BUS, it
will supply power to all modules and/or keypads located AFTER its
connection; as such, do NOT make any connections to the disconnected
RED wire cited above
§ the maximum wire run permitted is 1000 feet for all legs of the BUS
Tamper
TAMP COM
§ if the Power Supply Module is enclosed in a metal cabinet and it’s desired
to "tamper" the cabinet, connect one (or more) appropriate normally-open
momentary-action pushbutton switch(es), in series, between the TAMP
and COM terminals
§ it is NOT necessary to use a tamper switch if another module sharing the
same metal cabinet is so equipped
§ do NOT use an End-of-Line Resistor in the tamper switch circuit
§ if a tamper switch is NOT used, connect a wire jumper between the two
terminals
External Sounders
BELL/LS
+ –
§ connect suitable wire to any additional external sounding device(s)–
whether a bell, an electronic siren, or a loudspeaker–that you want to be
part of the system and, for convenience, driven by the Power Supply
Expansion Module
§ consider a large wire gauge (e.g. 18-16) if the distance separating the
sounder and the module is significant; consider, too, the sounder’(s)
current draw when choosing a suitable wire gauge (see page 17 for
additional information)
§ any external sounder(s) connected to the Power Supply Module will
operate exactly like the sounder(s) connected to the Main Board
BELL/LS
Jumper
§ be sure to appropriately position the board's BELL/LS Jumper, as follows
- if your external sounder is a Loudspeaker (without a built-in sound driver),
position the BELL/LS jumper so it covers both pins; doing so causes the
Power Supply Module to produce a continuous oscillating voltage for
burglary/panic alarms, and an interrupted oscillating voltage for fire alarms
- if your external sounding device is either a Bell or an Electronic Siren
(equipped with a built-in sound driver), position the jumper so it does NOT
cover both pins; as such, a steady 12 Volts DC is produced at the sounder
terminals during burglary/panic alarms; a slow, pulsing voltage is produced
during a fire alarm
Power to Auxiliary Device
AUX COM
(+) (–)
§ for auxiliary devices whose location is too far from the panel, wire these
terminals to power PIRs, glass-break detectors (4-wire types), audio
switches, photoelectric systems, and any device whose operation requires
a continuous supply of 12 Volts DC see Figure 2-5 on page 23)
§ wire should be of a suitable gauge to accommodate any voltage drop
which might occur based on current requirements and distance involved
AC
§ wire the output from a 16.5 VAC, 40 VA transformer to the board’s AC
terminals
§ use the appropriate wire gauge (see page 17 for additional information)
§ do NOT plug in the transformer at this time
Flying Leads
RED and BLACK
§ at the proper time, connect these leads to the positive (+) and negative (–)
terminals, respectively, of the appropriate Standby Battery used with the
Power Supply Module
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