Addressable Loop Wiring; Figure 30 Loop Terminal Connections - Class B - Mircom FLeXNet FX-MNS-6000 Installation And Operation Manual

5.2

Addressable Loop Wiring

Figure 30 Loop Terminal Connections - Class B

MD-871A
MAIN FIRE ALARM BOARD
+
-
ANAL OG
LOOP
+
CONNECTIONS
-
+
4- W IRE
RESE T T ABLE
-
SUPPL Y
+
+
INDIC ATING
NAC 0
CIR CUIT
-
-
i
Note:
43
S
Terminal blocks are "depluggable" for ease of wiring.
All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
Loop wiring: maximum loop resistance is 40 ohms total. These lines are power
limited and fully supervised.
Observe in and out polarity when using module and base isolators.
TWIS TE D P AIR WIR E
S
S
F
S O
C
s
M
TWO WIR E S
H
F
LEGEND
Addressable S moke Detector
S
with S tandard Analog Base
Addressable Thermal S ensor
H
with S tandard Analog Base
C
C onventional S moke S ensor
s
F Addressable Manual
P ull S tation
Conventional Heat Sensors
M
and Manual Pull Stations
2 P air
C C
C
s s
s
H S
H
C ombination
Horn/Strobe
Addressable
M
Monitor Module
(Wire Class B only)
Addressable S upvr.
S O
Output Module
End- Of-Line-R esistor
F