46
Figure 24
ALCN-960MISO Quad Loop Adder Module
Figure 25
ALCN-960D Quad Loop Daughter board
+ - + -
S S
+ - + -
ALARM OUT
B
A
A
B
COM (-)
LOOP 1
LOOP 2
SHIELD
RS-485
P3
P2
P6
P1
ADDRESS
DIP SWITCH
Loop 1
Active LED
Loop 2
Active LED
Four shaded
mounting holes are
for Daughter board
ALCN-960D
Top 2 holes and
bottom 2 holes are
used for the ALCN-
960MISO Quad
Loop Adder main
board module
mounting
DIP SWITCHES ARE FOR THIS
BOARD’S ADDRESS. SW1-1
IS THE LEAST SIGNIFICANT
DIGIT (BINARY). ACTIVE
POSITION IS ON.
P4
SW1
POWER CABLE
(OUT)
POWER CABLE
(IN)
JW2 - leave closed
JW1 - leave open
RS-485 heartbeat
LED
heartbeat LED for on
board processor
OUT
ALCN-960D
Connector
RS-485
IN
USB PORT
(Factory use only)
8
1
NOT USED
Important: The top two
mounting holes must be
electrically connected to
the chassis using metal
JTAG Port
LOOP (3)
LOOP (4)
P1
To Main Board
Connector P6
Four mounting holes (mount to
ALCN-960MISO board with screws
and spacers provided)
Connect ribbon cable
from this board to the
ALCN-960MISO board
P6 connector
+ - + -
S S
+ - + -
B
A
A
B
COM (-)
SHIELD