Figure 26 Alcn-792Miso Quad Loop Adder Module - Mircom FLeXNet FX-MNS-6000 Installation And Operation Manual

Mounting holes, terminals for wiring, cable connections and jumper locations on the ALCN-792MISO Quad
Loop Adder module are shown in Figure 26 below.

Figure 26 ALCN-792MISO Quad Loop Adder Module

Green flashing
RS-485 heartbeat
LED
RS-485
IN
JW1 - leave open
JW2 - leave closed
Green flashing
heartbeat LED for on
board processor
ADDRESS
DIP SWITCH
POWER CABLE
(OUT)
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Wiring The Addressable Loops
There are two addressable loops present on this board that are wired in the same manner
as shown in the wiring diagrams beginning with Figure 33. Although these drawings show
only Loop 1; Loop 2 is wired in the same way as Loop 1 is.
i
Notes for ALCN-792MISO:
• All circuits are power limited and must use type FPL, FPLR, or FPLP power limited
cable.
• Loop wiring: maximum loop resistance is 40 ohms total. These lines power-limited
and fully supervised.
39
SHIELD
LOOP 1
+ - + - S S
B
COM (-)
A
RS-485
OUT
P3
Loop 1
Active LED
P4
JW6
JTag
Port
DIP SWITCHES ARE FOR THIS
1
BOARD'S ADDRESS. SW1-1
IS THE LEAST SIGNIFICANT
8
DIGIT (BINARY). ACTIVE
SW1
POSITION IS ON.
POWER CABLE
P2 P1
LOOP 2 NOT USED
+ - + -
ALARM OUT
B
A
Loop 2
Active LED
JW3
Daughter Board
Connector
P6
(IN)
USB PORT
(Factory use only)
JW4
Four shaded
mounting holes are
for Daughter board
ALCN-792D
Top 2 holes and
bottom 2 holes are
used for the ALCN-
792MISO Quad Loop
Adder module
mounting