Terminal Descriptions; Wiring Requirements - GE NetworX Series Installation And Startup Manual

TERMINAL DESCRIPTIONS

VI.
Table VI:1
Terminal
Connect to the NX-8 / NX-8E / NX-8-CF control panel Data terminal. This terminal is the
DATA
incoming data-signaling terminal to the power supply module. The maximum total wire run
from the control panel to all devices, including the NX-320E is 2500 feet.
Connect to the NX-8 / NX-8E / NX-8-CF control panel COMMON terminal. This terminal
COM
supplies the common side of the power to the NX-320E board.
Connect to control panel AUX POWER + terminal. This terminal supplies power to the NX-
POS
320E board.
This terminal is the outgoing data-signaling terminal for buss extension. The maximum total
DATA
wire run from the NX-320E to all outgoing devices is 2500 feet.
COM
Common terminal for any device powered from the NX-320E.
OUT A
Programmable output current limited to 1.9 Amps.
OUT B
Programmable output current limited to 1.9 Amps.
COM
Common terminal for any device powered from the NX-320E.
OUT C
Programmable output current limited to 1.9 Amps.
Positive of bell output current limited to 2.5 Amps, but 600mA
BELL +
for UL applications. Connect as in diagram on page 7.
Negative of bell output current limited to 2.5 Amps, but 600mA
BELL -
for UL applications. Connect as in diagram on page 7.
This is an optional tamper terminal. To use this feature, connect the normally closed tamper
TAM
switch between this terminal and COM. If switch 4 is off, this feature is not used.
EARTH
Earth Ground.
AC
AC Input. Connect to a 16.5V 50 VA Class II UL approved transformer.
AC
AC Input. Connect to a 16.5V 50 VA Class II UL approved transformer.
Total of 1.9 Amps between outputs A,B,C.
Total of 2.5 Amps between Bell and outputs.

WIRING REQUIREMENTS

VII.
Table VII:1
For UL COMMERCIAL FIRE
installations, a minimum of
18 AWG shall be used for all
field-wiring applications,
regardless of this chart.
6
Description
LENGTH WIRE GAUGE
WHEN CONNECTED
(IN FEET)
TO NX-8 / NX-8E / NX-8-CF
400
500
1000
2000
2500
The total current of the
NX-320E is 2.5 Amps.
24
24
24
22
20
NX-320E Power Supply