31
ACCESSORY WIRING
EXTERNAL CONTROL DEVICES
EXIT
(2 Terminals)
This input is a soft open command (maintained switch does not override
external safeties and does not reset alarm condition). Used for exit probe,
telephone entry, external exit loop detector, or any device that would
command the gate to open.
• Opens a closing gate and holds open an open gate, if maintained,
pauses Timer-to-Close at OPEN limit.
SHADOW
(2 Terminals)
This input is used for external shadow loop detector when loop is
positioned under the swing of the gate.
• Holds open gate at open limit
• Only active when the gate is at the OPEN limit, disregarded at all other
times
• Pauses Timer-to-Close at OPEN limit
INTERRUPT
(2 Terminals)
This input is used for photoelectric sensors and external interrupt loop
detector when loop is on the outside of the gate.
• Holds open gate at open limit
• Stops and reverses a closing gate to open limit
• Pauses Timer-to-Close at OPEN limit, activates quick close and
anti-tailgate features when enabled on the expansion board
Com
Com
Com
Exit
Shadow
Exit Loop
Shadow Loop
(control board)
Interrupt
Interrupt Loop
Summary of Contents for Liftmaster Elite LA500
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