Installation Wiring a Signaling Line Circuit (SLC)
54 IQ-301 PN 50036:F 10/29/2001
Wiring an NFPA Style D IDC with Standard Monitor Modules
Figure 36 shows typical wiring for a supervised and power-limited NFPA Style D
(Class A) IDC using monitor modules. Maximum IDC resistance is 20 ohms.
Figure 36 Typical Style D (Class A) IDC Wiring with FMM-1
TB4
TB5 TB6
TX REF RX REF
OUT OUT IN IN
1 2 3 4 5 6
A B B+ A+ B- A -
TB1
TB2 TB3
+ - + - + -
B+ B- B+ B- B+ B- B+ B- NO C NO NC C NO NC C
90
81
72
63
54
-
+
+
-
- +
Heat detector
UL-listed power supervision
relay (shown energized)
To the next device
on the SLC
Manual pull
station
24 VDC filtered, low-noise and resettable power:
24 VDC (+) to TB1-5
24 VDC (–) to TB1-6
SLC out
SLC (+) to TB6-3
SLC (–) to TB6-5
Refer to the Device
Compatibility Document
for detector and power
supervision relays.
24 VDC four-wire
smoke detector
CPU
AFP200-IDC-B-FZM1.CDR
Monitor
Module
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