50
6.0
Field Wiring
6.1
Main Fire Alarm Board Terminal Connections
Wire devices to terminals as shown in
Figure 28
below. Refer to Appendix A for specifications
and to LT-1023 for compatible devices.
Figure 28
Main Fire Alarm Controller Board Field Terminal Connections
Do not exceed power supply ratings: Main Chassis: FX-4003-12N, FX-4003-12NXT, FX-
4009-12N or FX-4017-12N: total current for NACs is 10A max.
Note
s
:
"All wiring shall be in accordance with NFPA 70 and CSA C22.1, Safety
Standard for Electrical Installations, Canadian Electrical Code
.
"
Terminal Blocks are removable for ease of wiring.
All power limited circuits
must use type FPL, FPLR, or FPLP power limited cable
.
!
i
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-4000 Main Fire
Alarm Controller board
P4
P3
Cable Connection to ALCN Loop Adder board
Cable Connection to PR-300 or UDACT-300A