Figure 34 Quad Loop Adder Module Terminal Connections - Class X (Formerly Style 7) - Mircom FLeXNet FX-MNS-6000 Installation And Operation Manual

Figure 34 Quad Loop Adder Module Terminal Connections - Class X (Formerly Style 7)

ALCN-792MISO QUAD LOOP
ADDER MODULE
+
ANALOG
-
LOOP 1
+
-
S
S
+
-
ANALOG
LOOP 2 +
-
CLASS X: For Class X 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-792D DAUGHTER BOARD
ANALOG
LOOP 3
ANALOG
LOOP 4
i
Note:
47
I
I
+
-
+
-
S
S
+
-
+
-
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.
TWISTED PAIR WIRE
S
F I
ADDRESSABLE
SMOKE DETECTOR
WITH ISOLATOR
BASE
TWISTED PAIR WIRE
M
I
Conventional Heat Sensors
and Manual Pull Stations
C
s
This board is mounted over the ALCN-792MISO
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.
TWISTED PAIR WIRE
I
I
F
TWISTED PAIR WIRE
I H
ADDRESSABLE
THERMAL SENSOR
WITH ISOLATOR
BASE
LEGEND
Addressable Smoke
S
Sensor with Isolator Base
Addressable Thermal
H
Sensor with Isolator Base
C
s Conventional Smoke Sensor
F Addressable Manual Pull Station
M
Addressable Monitor Module
(Wire Class B only)
I
Fault Isolator Module
I