LiftMaster RSL12U RSL12U Installation Manual - Page 28

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 (control board) Exit Com Shadow Com Interrupt Com Interrupt Loop Exit Loop 27