12VDC OUT
Polarity does NOT matter
GND
PHOTO CLS NC
NC
10K
ENERGIZED
PULSE
OUT
COM NO VRX VTXCE
O
N
1 2 3 4
4W 2W
SENSITIVITY
NC COM
VRX
DIP-Switches
1 - OFF
2 - OFF
3 - OFF
4 - ON
CLOSING Direction
Photocell (Reflector)
Sensitivity Adjustment:
If the photocell does not respond to an
obstruction, lower the sensitivity by
turning adjustment counter-clockwise.
O
N
1 2 3 4
NOTE: Power must be cycled
when switches are changed.
JP-5
JP-6
10K
4W
2W
Remove BOTH Jumpers
Jumper
Jumper
NOTE: To meet the UL 325 2018 standard, Type B1
Non-Contact sensor entrapment protection device
MUST be MONITORED by the gate operator.
Installation Steps:
1. Set DIP-switches
2. Remove jumpers JP-5 and JP-6
3. Wire 12V power to photocell (VRX)
4. Wire DSP board PHOTO CLS NC
to photocell NC (Energized)
Wire DSP board GND to
photocell COM (Energized)
5. Align photocell to reflector
6. Adjust sensitivity
Power NOTE: If photocell
does NOT function using
VRX power input, connect
power to VTX input instead.
emx irb-ret
OPEN ONLY NC
OPEN ONLY 10K
PHOTO CLS NC
OPEN/CLS NC
GND
12VDC OUT
GND
CLS ONLY 10K
OPEN/CLS 10K
12VDC OUT
UL SENSOR N.C.UL SENSOR 10K
1.
2.
3.
4. (VRX)
5.
6.
7.
UL SENSOR N.C.UL SENSOR 10K