Mircom flexnet - Quad Loop Terminal Connections - Class B

FleX-Net
TM
Installation and Operation Manual
49
Figure 34: Quad Loop Terminal Connections - Class B
Notes:
• 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.
Conventional Heat Sensors
and Manual Pull Stations
2 Pair
F
LEGEND
Addressable Smoke Sensor
with Standard Analog Base
Addressable Thermal Sensor
with Standard Analog Base
Conventional Smoke
Sensor
Addressable Manual
Pull Station
Combination
Horn/Strobe
Addressable
Monitor Module
Addressable Supvr.
Output Module
End-Of-Line-Resistor
TWO WIRES
S
H
S
C s
C s
C s
F
F
H H
S
S
H
C s
C s
F
M
M
TWISTED PAIR WIRE
TWISTED PAIR WIRE
M
ANALOG
LOOP 2
B
A
ANALOG
LOOP 1
+
-
+
-
4-WIRE
RESETTABLE
SUPPLY
+
+
+
-
-
-
INDICATING
CIRCUIT
NAC 0
FX-2000N
MAIN FIRE ALARM BOARD
ALCN-792M QUAD LOOP
ADDER MODULE
S
S
B
A
+
-
+
-
ANALOG
LOOP 4
B
A
ANALOG
LOOP 3
+
-
+
-
S
S
B
A
+
-
+
-
ALCN-792D DAUGHTER BOARD
SO
SO
This board is mounted over the ALCN-792M loop
adder module to provide four adder loops total.
Wire loops 3 and 4 in the same manner as loops
1 and 2.