Wiring Accessories To The Expansion Board - Chamberlain Liftmaster Elite LA500-S Installation Manual

ADDITIONAL FEATURES

WIRING ACCESSORIES TO THE EXPANSION BOARD

Refer to the chart below and the corresponding image for a description of the expansion board inputs.
A Open Input (& common)
(3-Button Control Station, 4 terminals total)
B Close Input (& common)
(3-Button Control Station, 4 terminals total)
C Stop Input (& common)
(3-PB station, 4 terminals total)
D Single Button Control, SBC (2 terminals)
E Exit Loop Input (2 terminals)
F
Shadow Loop Input (2 terminals)
G
Interrupt Loop Input (2 terminals)
H
AUX Relay #1
I AUX Relay #2
F
E
G
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.
Close command - closes an open gate.
Soft close (maintained switch does not override external safeties and does not reset alarm condition)
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.
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)
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.
Loop wire connection for plug-in loop detector when loop is along side gate.
- Holds open gate at open
- Disregarded during gate motion
- Pauses Timer-to-Close at Open Limit
Loop wire connection for plug-in loop detector when loop is positioned under gate.
- Holds open gate at open
- Stops and reverses a closing gate
- Pauses Timer-to-Close at Open Limit
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)
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)
H I
WIRING ACCESSORIES TO THE EXPANSION BOARD
SBC
D
Single Button Control Station
Com
Open
A
Close
3-Button Control Station
B
Stop
C
Com
AUX RELAY WIRING EXAMPLE
Aux Relay
35
Class 2 Power Source
(42 Vdc [34 Vac],
5 A max)
+
—
N.C.
COM
N.O.
Warning Light