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C313M-D (8/05) 7
Connect Wiring
Refer to the following information to connect the wires and cables as required.
NOTES:
•
Relay 3 is allocated specifically for an external washer (not supplied by Pelco).
•
All relays are specified for 32 VDC, 0.5 A.
•
Wiring/cable for UTP and fiber optic are not provided on the wire harness. The installer must provide UTP and fiber optic connections.
WARNING:
When installing this unit, provide access to the communication wires (TX- and TX+) to allow connection to the system for
future software upgrades. Connectors must be installed so that the integrity of the hazardous location is maintained.
These communication wires are required even if the system uses Coaxitron
®
control.
Maximum wire distance for RS-422 data wires is 4,000 ft (1,219 m).
Configuration of Wire Harness
Wire Color Function
White/Orange TX+
White/Blue TX-
Red RX+
Green RX-
Violet/White Relay 3 NC (washer only)
White/Red Relay 3 COM (washer only)
Green/Black Relay 3 NO (washer only)
Gray/White Relay 2 NC
Yellow Relay 2 COM
Violet Relay 2 NO
Brown Relay 1 NC
Gray Relay 1 COM
White/Yellow/Black Relay 1 NO
White/Black/Green Alarm COM
White/Red/Black Alarm 7
White/Brown/Black Alarm 6
Orange Alarm 5
White/Orange/Black Alarm 4
White/Blue/Black Alarm 3
White/Brown Alarm 2
White/Black Alarm 1
Power Connections 24 VAC
Wire Color Function
Red AC Hi
Black AC Low
Power Connections 100-240 VAC
Wire Color Function
Black AC Hi
White AC Low
Green/Yellow Earth Ground
*Cable requirements:
75-ohm impedance
All-copper center conductor
All-copper braided shield with 95% braid coverage
Video Coaxial Cable Requirements
Cable Type* Maximum Distance
RG59/U 750 ft (229 m)
RG6/U 1,000 ft (305 m)
RG11/U 1,500 ft (457 m)
Wiring Distances
The following are the recommended maximum distances for 24 VAC and
100-240 VAC applications and are calculated with a 10 percent voltage drop.
(Ten percent is generally the maximum allowable voltage drop for AC-powered
devices.)
NOTE: Power consumption is 120 VA per unit. Use a powersource with a
minimum of 150 VA.
Power
Wire Gauge
18
(1.0 mm
2
)
16
(1.5 mm
2
)
14
(2.5 mm
2
)
12
(3.5 mm
2
)
24 VAC
27 ft
(8 m)
43 ft
(13 m)
69 ft
(21 m)
110 ft
(33 m)
100-240
VAC
75 ft
(23 m)
120 ft
(36 m)
190 ft
(58 m)
310 ft
(94 m)