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75.5737.10 MS-21H 20150617
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WIRING
SETTINGS & ADJUSTMENTS
A - SENSING ZONE - potentiometer
COUNTERCLOCKWISE - decrease (0’’ minimum)
CLOCKWISE - increase (4’’ maximum *)
B - AUDIBLE ALERT - DIP switch 1 (left)
ON - audible alert pulsed for 0.5 seconds during detection
OFF - audible alert off
C - LED - DIP switch 2 (right)
ON - LED on at rest, pulsed off for 0.5 seconds during detection
OFF - LED off at rest, pulsed on for 0.5 seconds during detection
* Maximum sensing zone will vary depending on size (area), orientation, and
speed of object as well as environmental conditions.
IMPORTANT WIRING NOTES
:
Be sure to always use the BEA provided isolation module. *
If using a shielded wire harness, both ends of the shielding foil must be connected to Earth Ground.
If using a wire harness with more than 5 conductors, all extra conductors must be wired to Earth Ground.
A
B C
* It is required that each MS21 be powered by a separate isolation module
NOTE: It will take approximately 10 seconds to complete the initilization sequence once powered.
DOOR HEADER
GREEN
YELLOW
GREEN / YELLOW
RED
BLACK
WHITE
RED
BLACK
WHITE
GREEN
BLUE
Installer Provided
Wire Harness
ISOLATION
MODULE
RED
BLACK
WHITE
GREEN
BLUE
WIRE NUT
NO
COM
− POWER
+ POWER
NC
EARTH GROUND
Isolation Module
Signal
Harness Wire
Isolation Module Wire
Door Control Terminal
To Door Control
(6 wire side)
AC/DC +
-
Red
AC/DC +
AC/DC -
-
Black
AC/DC -
COM
-
White
ACT COM
NO
-
Green
ACT NO
NC
-
Yellow
ACT NC
Earth Ground
-
Green / Yellow
Earth Ground
To MS21
(5 wire side)
COM
White
White
-
NO
Green
Green
-
AC/DC
Red
Red
-
AC/DC
Black
Black
-
Earth Ground
Blue
Blue
-
Wire nut harness wires and isolation module wires together and connect isolation module wires to the door control, according to the chart below.
NOTE: From isolation module to ACT, use
either green (NO) OR yellow (NC)
