System Sensor PDRP-2001 User Manual

PDRP-2001 Series Manual — P/N 53043:E4 7/28/2016 121
Appendix F: Wire Requirements
Connecting external system accessories to the main circuits must be carefully considered to ensure
proper operation. It is important to use the correct type of wire, gauge and run length for each
circuit. Reference the chart below to specify wire requirements and limitations for each circuit.
CIRCUIT CONNECTIONS WIRE REQUIREMENTS
Circuit Type Circuit Function
Wire Type and
Limitations
Recommended
Max. Distance
Feet (meters)
Wire Gauge
Initiating
Device Circuit
(power-limited)
Connects to
Initiating Devices
Untwisted, unshielded
wire
(maximum loop
resistance not to exceed
100 ohms)
Distance limitation
set by 100 ohm
resistance
limitation
12-18 AWG (3.25 - 0.75 mm
2
)
ANN-BUS
(EIA-485)
power-limited
Communication
for ANN-BUS
annunciator and
relay modules
Twisted pair a maximum
loop resistance of 120
ohms
6,000 (1,800 m) 12-18 AWG (3.25 - 0.75 mm
2
)
ANN-BUS
Power
Power for
ANN-BUS
annunciators
Refer to “ANN-BUS Devices” on page 33 for information on device wiring
24 VDC
Regulated,
resettable,
nonresettable
Power for
accessories and
4-wire devices
Untwisted, unshielded
wire
Distance limitation
set by 4 volt
maximum line
drop
12-18 AWG (3.25 - 0.75 mm
2
)
Auxiliary
Trouble Input
Open Collector
trouble input for
CHG-75,
CHG-120, etc.
Single conductor Distance limitation
20 feet in same
room
18 AWG (0.75 mm
2
)
NAC/Solenoid
Outputs
Connects to NAC
devices or
Release devices
Untwisted, unshielded
pair wire
Refer to Section F.1 on page 122.
Table F.1 FACP Wire Specifications

System Sensor PDRP-2001 Specifications

General

Brand	System Sensor
Model	PDRP-2001
Category	Control Panel
Language	English