FleX-Net
TM
Installation and Operation Manual
43
Field Wiring
Main Fire Alarm Module Terminal Connections
Wire devices to terminals as shown in
Figure 27
below. Refer to Appendix A for specifications and to LT-1023 for
compatible devices.
Figure 27: Main Fire Alarm Controller Board Field Terminal Connections
ATTENTI ON:
Do not exceed power supply ratings:
Main Chassis: FX-2003-12NDS, FX-2003-12NXTDS, FX-2009-12NDS or FX-2017-12NDS: total current
for NACs is 10A max.
Notes:
The terminal blocks are removable for ease of wiring.
All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
COM
-
RS485
NO
NC
COM
TROUBLE
NO
NC
COM
SIG GND
or COM(-)
NO
NC
ALARM
USE TWISTED SHIELDED PAIR
22 AWG UP TO 2000 FT.
20 AWG UP TO 4000 FT.
SUPV.
+
S
RS-485 INTERFACE TO
ANNUNCIATORS AND
OTHER DEVICES
(POWER LIMITED)
NOT USED
MUST BE
CONNECTED TO A
LISTED POWER
LIMITED SOURCE
OF SUPPLY
COMMON TROUBLE
CONTACTS
24 VDC, 1 AMP
RESISTIVE LOAD
AUXILIARY COMMON
SUPERVISORY
CONTACTS
24 VDC, 1 AMP
RESISTIVE LOAD
AUXILIARY COMMON
ALARM CONTACTS
24 VDC, 1 AMP
RESISTIVE LOAD
S
Shield one end of the
RS-485 LOOP ONLY
FX-2000N Main Fire
Alarm Controller board
P4
P3
Cable Connection to PR-300 or UDACT-300A
Cable Connection to ALCN Loop Adder board
"All wiring shall be in accordance with NFPA 70 and CSA C22.1, Safety Standard for Electrical
Installations, Canadian Electrical Code."
