Chamberlain EL2000 - Manual (Page 18)

Page 16
Wiring a Gate Operator / Key Switch / PIR / REX
Wiring a Gate Operator
Wiring a Key Switch/PIR/REX
Any auxiliary opening device such as a key switch or PIR (Passive Infrared Device), or an exit request button
(REX) that provides normally open contact closure can be hooked up to the Door Input terminals.
IO Output Board
LED 2
LED 1
RELAY 1
RELAY 2
RELAY 3
RELAY 4
J3
J5
J4
J1
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
LED 4
LED 3
RES
TELCO
J6
J8
Use 18-24 AWG
NOTE: The gate operator can be
connected to any of the 4 relays.
Normally Open
Common
DO NOT overload
the removable
terminal block
connectors. One
wire per hole.
Output Board
(See page 6)
IO Input Board
J2
J3
DOOR
STAT 4
EXIT
REQ 4
COM
DOOR
STAT 3
EXIT
REQ 3
COM
DOOR
STAT 4
EXIT
REQ 2
COM
DOOR
STAT 1
EXIT
REQ 1
COM
J5
J7
J6
J4
POSTAL
AUTO
J1
POWER
12VAC/DC
Use 18-24 AWG
NOTE: Additional opening or exit devices can be
connected to any of the 4 Exit Request inputs.
Exit Request
Common
Input Board
(See page 6)
NOTE: Refer to your gate operators owner’s manual for proper relay strike time.