LiftMaster LA500 Residential / Light Commercial Swing Gate Operator - Manual (Page 37)

35
Com Single Button Control Station
A
SBC
3-Button Control Station B
C Com
Open
Close
Stop
AUX Relay 2 N.C.
Com
AUX Relay 2 N.O. AUX Relay 1 N.C.
Com
AUX Relay 1 N.O.
Exit Loop
Interrupt Loop Shadow Loop
D
E F
G H I
ADDITIONAL FEATURES
A Open Input (& common)
(3-Button Control Station, 4 terminals total)
Open command - opens a closed gate.
Soft open (maintained switch does not override external safeties and does not reset alarm condition)
If maintained, pauses Timer-to-Close at OPEN limit.
Opens a closing gate and holds open an open gate.
B Close Input (& common)
(3-Button Control Station, 4 terminals total)
Close command - closes an open gate.
Soft close (maintained switch does not override external safeties and does not reset alarm condition)
C Stop Input (& common)
(3-PB station, 4 terminals total)
Stop command - stops a moving gate.
Hard stop (maintained switch overrides Open and Close commands and resets alarm condition)
If maintained, pauses Timer-to-Close at OPEN limit.
Overrides an Open or Close command.
D Single Button Control, SBC (2 terminals) Gate command sequence - Open, Stop, Close, Stop, ...
Soft Open ,Soft Close, Soft Stop (maintained switch does not override external safeties and does not reset alarm condition)
E Exit Loop Input (2 terminals) Loop wire connection for plug-in loop detector when loop is inside secured area near gate.
Open command - opens a closed gate.
Soft open (maintained switch does not override external safeties and does not reset alarm condition)
If maintained, pauses Timer-to-Close at OPEN limit.
Opens a closing gate and holds open an open gate.
F Shadow Loop Input (2 terminals) Loop wire connection for plug-in loop detector when loop is positioned under the gate.
- Holds open gate at open limit
- Disregarded during gate motion
- Pauses Timer-to-Close at Open Limit
G Interrupt Loop Input (2 terminals) Loop wire connection for plug-in loop detector when loop is along the side of the gate.
- Holds open gate at open limit
- Stops and reverses a closing gate
- Pauses Timer-to-Close at Open Limit
H AUX Relay #1 Normally - open and normally - closed relay contacts to control external devices,
Function of relay contact activation determined by AUX Relay #1 option switch settings. (For connection of Class 2, low voltage
(42 Vdc [34 Vac] max 5 Amps, power sources only)
I AUX Relay #2 Normally-open and normally-closed relay contacts to control external devices,
Function of relay contact activation determined by AUX Relay #2 option switch settings. (For connection of Class 2, low voltage
(42 Vdc [34 Vac] max 5 Amps, power sources only)
Aux Relay
N.C.
COM
N.O.
Class 2 Power Source
(42 Vdc [34 Vac],
5 A max)
+ —
Warning Light
AUX RELAY WIRING EXAMPLE
WIRING ACCESSORIES TO THE EXPANSION BOARD
WIRING ACCESSORIES TO THE EXPANSION BOARD
Refer to the chart below and the corresponding image for a description of the expansion board inputs.