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INS./OUTS. INT. SENSE / SHADOW SENSE / EXIT SENSE (TB12/TB13/TB14/TB15) INPUTS
INSIDE
LiftMaster INTERRUPT
Interrupt Loop SENSE
OUTSIDE
INTERRUPT
SENSE
SHADOW
SENSE
EXIT
on SENSE
RADIO INPUT (TB6)
RADIO RECV
MAG LOCK INPUT (TB4)
MAG LOCK
SLAVE I/O INPUT (TB1)
SLAVE I/O
ADJUSTMENTS
OVERLOAD
(R71)
NOTE: For swing gate operation, controls are Right/Clockwise and Left/Counterclockwise.
REVERSE
RIGHT (R78)
REVERSE
LEFT (R81)
INRUSH
(R119)
RECLOSE
TIMER (R94)
Rev C
Input from an Inside Interrupt loop provides the signal for an optional
loop detector add-on board. Operation is the same as the
input, above.
Input from an Outside Interrupt loop provides the signal for an optional
LiftMaster loop detector add-on board. Operation is the same as the Interrupt
Loop input, above.
Input from shadow loop provides signal for optional LiftMaster loop detector
add-on board. Operation is the same as Shadow Loop input, above.
Input from exit loop provides signal for optional LiftMaster loop detector add-
board. Operation is the same as Exit Loop input, above.
Convenience terminals provide power (24VAC, 200mA) and signal
connection for a radio receiver. Activation is the same as CYCLE.
NO and COM inputs can close a circuit (i.e., MagLock) when the Close Limit
switch is activated (the gate is fully closed).
NC and COM inputs close a circuit (security camera, camcorder, light, etc.)
when the Close Limit switch is deactivated (when gate is not fully closed).
Input/output terminals are used to control a second gate operator in a
Master/Slave system.
Factory-set pot protects the gate operator from excessive motor current.
If RETRY is ON, when the limit is exceeded, a closing gate reverses a few
inches and stops, and an opening gate stops, waits 30 second, then tries to
resume. The gate will retry twice before faulting out.
Adjustable pot controls gate sensitivity to blockages by the instantaneous
rise in motor current. If RETRY is ON, when the limit is exceeded, a closing
gate opens fully and an opening gate stops, waits 30 seconds, then tries to
resume. The gate will retry twice before faulting out.
Adjustable pot controls gate sensitivity to blockages by the instantaneous
rise in motor current. If RETRY is ON, when the limit is exceeded, a closing
gate opens fully and an opening gate stops, waits 30 seconds, then tries to
resume. The gate will retry twice before faulting out.
NOTE: LiftMaster gate operators have two reverse sense adjustments (left and right)
where other gate operators have only one. This allows greater flexibility of
installation. For instance, you can install a gate on an incline and not worry
about sacrificing downhill gate sensitivity.
Adjustable pot controls the delay in sensitivity to reverse sense inputs.
This delay in sensitivity prevents the initial motor inrush current from
causing a fault condition. The weight of the gate determines this setting.
Adjustable pot controls the time delay between gate reaching full open and
starting to reclose. The Reclose Timer is adjustable from 0-250 seconds.
Doc 6001204 (01-20260)
Page
35 of 40
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