Mircom FleX-Net FX-2003-12NDS - Page 52

Field Wiring
50
Figure 34: Quad Loop Adder Module Terminal Connections - Class A
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.
F
ADDRESSABLE
THERMAL SENSOR
ADDRESSABLE
SMOKE DETECTORS
F
LEGEND
Addressable Smoke Sensor
Addressable Thermal Sensor
Addressable Manual Pull Station
F
Addressable Monitor Module
TWISTED PAIR WIRE
S
S
H
Addressable Relay Output Module
S
H
M
M
RO
M
RO
Conventional 4-Wire Smoke
Detectors, Heat Sensors
and Manual Pull Stations
TWISTED SHIELDED PAIR WIRE IS NOT
RECOMMENDED. IF USED THE
SHIELD SHOULD BE TERMINATED AT
THE TERMINALS MARKED SHIELD
ALCN-792MISO QUAD
LOOP ADDER MODULE
ALCN-792D DAUGHTER BOARD
This board is mounted over the ALCN-792MISO
loop adder module to provide an addition 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
+
-
+
-
(Wire Class B only)