Mircom FleX-Net FX-2003-12NDS Installation And Operation Manual page 51

Figure 33: Quad Loop Adder Module Terminal Connections - Class X (Formerly Style 7)
ALCN-792MISO QUAD LOOP
ADDER MODULE
+
ANAL OG
-
LOOP 1
+
-
S
S
+
-
ANAL OG
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
ANAL OG
LOOP 3
ANAL OG
LOOP 4
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.
TWISTED PAIR WIRE
I F
I
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
S
1 and 2.
S
+
-
+
-
TM
FleX-Net Installation and Operation Manual
TWISTED PAIR WIRE
S
I
ADDRESSABLE
SMOKE DETECTOR
WITH ISOLATOR
BASE
TWISTED PAIR WIRE
TWISTED PAIR WIRE
I I
LEGEND
S Addressable Smoke
Sensor with Isolator Base
H Addressable Thermal
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
F
I
H
ADDRESSABLE
THERMAL SENSOR
WITH ISOLATOR
BASE
49