Mircom FleXNet FNC-2000 Installation And Operation Manual page 49

Figure 28: Loop Terminal Connections - Style 7
FX-2000N
MAIN FIRE ALARM BOARD
ANALOG
LOOP
CONNECTIONS
4-WIR E
R E S E TT ABLE
S UPPL Y
Notes:
• All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
• Isolators need to be close nipple connected to the device being protected.
• Loop wiring: maximum loop resistance is 40 ohms total. These lines are power- limited and fully supervised.
I
+
-
+
-
+
-
FleX-Net
S
F I
ADDR ESSABLE
SMOKE DETECTOR
WITH ISOLATOR BASE
M
I
C onventional Heat S ensors
and Manual P ull S tations
C
s
STYLE 7: For Style 7 operation use isolator
bases for the detectors and use isolator modules
(front and back as shown in this diagram) for the
addressable pull stations, monitor modules, and
control modules
LEGEND
S
H
C
s
F
I
M
TM
Installation and Operation Manual
TWIS TE D P AIR WIR E
I
I
F
TWIS TE D P AIR WIR E
TWIS TE D P AIR WIR E
I
I
ADDR ESSABLE
THER MAL
SENSOR
WITH
ISOLATOR
BASE
Addressable S moke Detector
with Isolator Base
Addressable Thermal S ensor
with Isolator Base
C onventional S moke S ensor
Addressable Manual P ull S tation
F ault Isolator Module
Addressable Monitor Module
I
H
45