Mircom QMT-5302 Specifications Page 54

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Field Wiring
50
Figure 35: Quad Loop Adder Module Terminal Connections - Style 7
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.
LEGEND
Addressable Smoke
Sensor with Isolator Base
Addressable Thermal
Sensor with Isolator Base
Conventional Smoke Sensor
Addressable Manual Pull Station
Fault Isolator Module
Conventional Heat Sensors
and Manual Pull Stations
F
C
s
F
ADDRESSABLE
THERMAL SENSOR
WITH ISOLATOR
BASE
ADDRESSABLE
SMOKE DETECTOR
WITH ISOLATOR
BASE
F
C
s
Addressable Monitor Module
H
S
S
H
TWISTED PAIR WIRE
TWISTED PAIR WIRE
TWISTED PAIR WIRE
TWISTED PAIR WIRE
I
I
I
I
I
I
I
I
M
M
I
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
TWISTED SHIELDED PAIR WIRE IS
NOT RECOMMENDED. IF USED THE
SHIELD SHOULD BE TERMINATED AT
THE TERMINALS MARKED SHIELD
ALCN-792M QUAD LOOP
ADDER MODULE
ALCN-792D DAUGHTER BOARD
This board is mounted over the ALCN-792M to
provide and additional two loops, for a total of four
loops.
Wire loops 3 and 4 in the same manner as loops
1 and 2.
ANALOG
LOOP 2
B
A
ANALOG
LOOP 1
+
-
+
-
S
S
B
A
+
-
+
-
ANALOG
LOOP 4
B
A
ANALOG
LOOP 3
+
-
+
-
S
S
B
A
+
-
+
-
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