ADT Commercial Fire & Burglary Alarm System FOCUS 200 PLUS, Installation And Setup Manual

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Section 5 - Gateways
5-17
Installing SIM and SIM Sensors
Install each sensor in the manner recommended in the manufacturer’s instructions.
System-powered sensors cannot be adjusted or tested until the system power has been turned on, the point
data has been loaded into the control unit, and communication has been established between the control
unit and the gateway.
All SIM sensors are connected to the SIM gateway trunk cable via a 2-conductor branch cable. Two
types of branch cable are available for sensor connections. Each is a 2-conductor, 18-AWG cable,
differing only in type of insulation. The cables are:
•
493494 - Approved for FA, SUPV, HUA, and BA.
•
493493 - Approved for FA, SUPV, HUA, and BA where wire is being installed in air-handling
plenums (Teflon or equiv.).
Sensor Power Classification
The various types of sensors employed with the FOCUS 200 PLUS System can be divided into the
following basic categories according to the source of power required:
Sensor Type Power Source Wiring Configuration
SIM Sensors Receives operating power and
communications from the
gateway trunk cable's blue and
yellow wires. Uses the blue and yellow wires. The black
and red conductors are not used.
System-powered
sensor Receives operating power from
the gateway trunk cable's red and
black wires. The sensor must be
capable of operating between 8
and 15 volts, with a maximum
current of 85mA. Two types of system-powered sensors:
•
Integrated, such as Horn/Strobe, which
uses the 4 conductors of the trunk cable.
•
Non-integrated, which uses the output
wires of the SIM: black/white (-) and
red/white (+). They also use 3 wires, for
connection of a 33k resistor: orange,
blue/white, and white.
Independently
powered sensor Uses operating power from an
external source. Wired the same way as a SIM sensor except
the 12-volt terminals are wired to the
external power source.
Wiring a SIM or SIM Sensor
An SIM Sensor is installed on branch cables from the Gateway trunk. These branch cables are limited
to 100 ft long. If the branch cable drops below 6 feet or is subject to damage that may result in shorting
of conductors, a 248302 Fuse must be installed. This protects the Gateway trunk from being disabled in
the event of a short on the wires. Only the SIM with the blown fuse will be in Comm Fail, not the entire
Gateway trunk.
Install an SIM or SIM sensor by taking the following steps and referring to Figures 5-7 through 5-13.
Step Action
1
Run the branch cable no more than 100 feet long from the Gateway trunk. Use cable
SCN 493494 or 493493 for two-wire SIM connections. Use SCN 494465 or 494467 for
four-wire SIM connections.
2 Cut the sheathing of the Gateway trunk to expose the four wires of the trunk.
3 Use Scotohlok SCN 809190 connectors (#558) to connect the branch cable to the Gateway
trunk, matching the colors of the wires on the trunk with the branch cable.
4 If the branch cable is subject to damage, splice in an SCN 248302 in-line fuse with holder
and place it close to the Gateway trunk.