LiftMaster HCTDCU HCTDCU Installation Manual - Page 14

Installation, Control Board, Expansion Board

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INSTALLATION STEP 5 continued... INSTALL ENTRAPMENT PROTECTION There are three options for wiring the entrapment protection devices depending on the specific device and how the device will function. Refer to the specific entrapment protection device manual for more information. These entrapment protection device inputs are for monitored devices, which include pulsed photoelectric sensors, resistive edge sensors, and pulsed edge sensors. NOTE: Only one monitored entrapment protection device may be wired to each input. Additional entrapment protection devices may be wired to the expansion board. CONTROL BOARD CLOSE EYES/INTERRUPT (2 Terminals) The CLOSE EYES/INTERRUPT input is for photoelectric sensor entrapment protection for the close direction. When an obstruction is sensed during gate/door closing the gate/door will open to the full open position and resets the Timer-to-Close. This input will be disregarded during gate/door opening. Close Photoelectric Sensors Close Edge CLOSE EDGE (2 Terminals) The CLOSE EDGE input is for edge sensor entrapment protection for the close direction. When an obstruction is sensed during gate/door closing the gate/door will reverse to the full open position, disengaging the Timer-to-Close. This input will be disregarded during gate/door opening. Open Photoelectric Sensors OR Open Edge OPEN EYES/EDGE (2 Terminals) The OPEN EYES/EDGE input is for photoelectric sensor or edge sensor entrapment protection for the open direction. When an obstruction is sensed during gate/door opening the gate/door will stop. This input will be disregarded during gate/door closing. EXPANSION BOARD EYE ONLY and COM Open or Close Direction Photoelectric Sensors, the functionality is based on the switch settings (located next to the terminals). Switch set to CLOSE: gate/door reverses fully when it hits obstruction. Switch set to OPEN: gate/door stops when it hits obstruction. EYE/EDGE and COM Open or Close Direction Photoelectric Sensors or Edge Sensor, the functionality is based on the switch settings (located next to the terminals). Switch set to CLOSE: gate/door reverses fully when it hits obstruction. Switch set to OPEN: gate/door stops when it hits obstruction. 14 OPEN CLOSE TO MAIN BOARD 1 EYE ONLY 2 EYE/ EDGE 3 EYE/ EDGE COM SBC OPN SHADOW INTERUPT EXIT Photoelectric Sensors Photoelectric Sensors OR Edge Sensor Photoelectric Sensors OR Edge Sensor TO MAIN BOARD POWER 1 EYE ONLY 2 EYE/ EDGE 3 EYE/ EDGE COM SBC OPN CLS STP COM OPEN CLOSE

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14
STEP 5 continued...
INSTALL ENTRAPMENT PROTECTION
There are three options for wiring the entrapment protection devices depending on the specific device and how the device will function. Refer to the
specific entrapment protection device manual for more information. These entrapment protection device inputs are for monitored devices, which
include pulsed photoelectric sensors, resistive edge sensors, and pulsed edge sensors.
NOTE:
Only one monitored entrapment protection device may
be wired to each input. Additional entrapment protection devices may be wired to the expansion board.
CONTROL BOARD
CLOSE EYES/INTERRUPT (2 Terminals)
The CLOSE EYES/INTERRUPT input is for photoelectric sensor
entrapment protection for the close direction. When an obstruction is
sensed during gate/door closing the gate/door will open to the full open
position and resets the Timer-to-Close. This input will be disregarded
during gate/door opening.
CLOSE EDGE (2 Terminals)
The CLOSE EDGE input is for edge sensor entrapment protection for the
close direction. When an obstruction is sensed during gate/door closing
the gate/door will reverse to the full open position, disengaging the
Timer-to-Close. This input will be disregarded during gate/door opening.
OPEN EYES/EDGE (2 Terminals)
The OPEN EYES/EDGE input is for photoelectric sensor or edge sensor
entrapment protection for the open direction. When an obstruction is
sensed during gate/door opening the gate/door will stop. This input will
be disregarded during gate/door closing.
EXPANSION BOARD
EYE ONLY and COM
Open or Close Direction Photoelectric Sensors, the functionality is based
on the switch settings (located next to the terminals).
Switch set to CLOSE:
gate/door reverses fully when it hits obstruction.
Switch set to OPEN:
gate/door stops when it hits obstruction.
EYE/EDGE and COM
Open or Close Direction Photoelectric Sensors or Edge Sensor, the
functionality is based on the switch settings (located next to the
terminals).
Switch set to CLOSE:
gate/door reverses fully when it hits obstruction.
Switch set to OPEN:
gate/door stops when it hits obstruction.
INSTALLATION
Close Photoelectric Sensors
Close Edge
Open Edge
Open Photoelectric Sensors
OR
SHADOW
INTERUPT
EXIT
SBC
OPN
CLS
STP
COM
EYE
ONLY
EYE/
EDGE
EYE/
EDGE
COM
1
2
3
OPEN
CLOSE
TO MAIN
BOARD
POWER
SBC
OPN
EYE
ONLY
EYE/
EDGE
EYE/
EDGE
COM
1
2
3
OPEN
CLOSE
TO MAIN
BOARD
Photoelectric Sensors
Edge Sensor
Photoelectric Sensors
OR
Photoelectric Sensors
OR
Edge Sensor