Chamberlain Swing GATE - Manual (Page 3)

2 of 53 Doc 6001242 (01-20273) Rev C
The LiftMaster Model SW 2000-B1
The LiftMaster model SW 2000-B1 Swing Gate Operator is a full featured commercial gate operator
with a master/slave wiring capability. The SW 2000-B1 contains the following features:
• Dynamic motor braking limits gate overtravel.
• Separated arm segment joints reduce the risk of injury to users.
• Alternate action OPEN/CLOSE inputs.
• Manual switch inputs override other commands.
• Adjustable reclose timer.
• Gate lock relay can be used for electromagnetic locks and CCTV cameras or
lights.
• Master-slave operation for two operators on bi-part gates and vehicle trap
gates.
• Selectable anti-tailgate function prevents two cars from entering on one open
command.
• Senses obstructions through adjustable Peak motor current senses.
• Open Motor detection indicates when the motor is not drawing any current.
• Two separate peak motor current sense adjustments for reversing direction
or stopping; one for clockwise motion and the other for counterclockwise motion.
• Initial inrush current sense adjustment offsets initial inrush current to the
motor.
• Automatic fault Re-Try causes the gate operator to retry an operation twice
following a fault condition.
• Selectable Automatic Gate Closure feature closes the gate when power is
restored after an outage unless gate is at open limit.
• Two 115 VAC accessory plugs provided.
• 24 VAC accessory power provided.
• 80:1 worm gear reduction.
• Output torque limiter prevents damage to the gate operator caused by force
pushing against the gate.
• Handles any gate weight up to 1000 pounds and length up to 18 feet.
• Diagnostic LEDs on controller board indicate gate operator actions and assist in
troubleshooting.
• Power Fail Operation option automatically opens or closes the gate (user's
choice) if AC power fails.
• Optional loop detector add-on boards plug into the controller board for
Interrupts, shadow and exit loops.
• Inside and outside Interrupt Loops enhance gate control and distinguish
between entering and exiting traffic.
• Optional cover access door provides easy access to the control box.
DIMENSIONS WEIGHT ELECTRICAL
Height 24” 159 Lbs. 115 VAC, Single Phase, 60 Hz., 8 amp
Width 20” (172 Lbs. with Power (A separate 20 AMP circuit is
Depth 23” Fail Operation option.) required by most codes.)
15 Lbs. Accessory Kit