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FIGURE 6, 2 WIRE ADDRESSABLE MONITOR THRU BARRIERS
BLUE REMOTE
DATA LINE
20 VDC
BARRIER 1
BARRIER 2
MC-4231-CO
1
2
3
4
1
2
3
4
DATA LINE
20 VDC
BARRIER 1, 2 = CLASS J DUAL CIRCUIT, MTL 768+
NOTE: CABLE CONNECTIONS FROM BARRIERS
TO SENSORS MUST BE SHIELDED
12 AWG GND WIRE
MINIMUM
PERMISSIBLE AREA
FIGURE 5, MC-4231-CO MONITOR CONNECTION
TEST/CAL SWITCH
SENSOR CELL
DATA +
DATA -
+28VDC
GND
J1
J2
J3
J4
J5
TB1
SON
A
L
E
R
T
SON
A
L
E
R
T
RES
E
T
AL
A
R
M
+
+
-
-
