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Generalinformation
A photocell consists of a transmitter and a receiver.
Available in the BD02 version and in the BD02-FL version equipped with a lamp module.
Additional optical signaling serves as a warning and makes it easier to locate the entrance in conditions of poor visibility.
The receiver has NC and NO type control contacts, the circuit of which is protected by an additional relay.
The photocell is designed to work in gate systemsasa safetyelement working outside.
Generalinformation
1.external dimensions of the housing
(width x depth x height): 38x38x120mm
2.mountingmethod: surface-mounted, splash-proof housing,IP-54
3.casematerial: polycarbonate
4.working temperature (min./max.): -20 °C/ +55 °C
5.weight: 80g
6.guaranteed operating range: 1-15m
transmitterand receiver
7.power supply: 12... 24VAC/DC ± 10%
8.receiver current consumption: max. 25mA
9.transmitter current consumption: max. 25mA
Signallamp parameters (LED version)
• signal lamp power supply: 12... 24VAC/DC ± 10%
• power consumption: max. 150mA
• operatingmodes: continuous or pulsed, built-in circuit breaker
• technology: LED
• shockand vibration resistance: high
Functionality
• adjustable viewingangle: 180° horizontally in the transmitter and receiver,allows the installation of the photocell on a plane parallel to the gate.
•user interface: hardware interface on two LEDs indicating power
connection and facilitating synchronization of the transmitter beamwith the receiver.
•additional protection: the output system with an increased degree of safety(in the event of damage, the photocell output always goes into the violation state).
Electrical connection of the photocell
The photocell works with the gate automation control units.
It is recommended that the electrical installation and connection of photocells made a person with appropriate qualifications.
The connection should be carried out in accordance with the diagram shown in Fig. 2andas described below:
Connect the power supply 12-24VAC / DC to the transmitter and the receiver of the photocell.
The PWR diodes in the transmitter and receiver and the RX diode in the receiver should be on.
If AC power is used, power the transmitter and receiver using the same phase (from one power supply).
Connect the signal output of the photocell receiver (usually NC and C) to the corresponding input on the control unit.
Pay special attention to the control method (NC or NO) required in the control anel.
The standard solution in gate automation is the operation of optical sensors in the NC confguration.
Electrical connection of signallamps (BD02-FL version)
BD02-FL photocells have signaling modules.
The lamps are designed to work with the signaling output of the gate automation control unit.
LED modules should be connected to the signaling output with an output voltage of 12..24VAC / DC.
The modules have a built-in circuit breaker.
If the device to which the lamp is connected has no built-in circuit breaker, you can start the pulser built in the lamps by placing a jumper on the LED module.
An example of connecting the lamps is shown infigure 2.
Acceptance tests
After connecting the photocell, perform a test, i.e. check the receiver's (RX) reaction to the crossing of the light barrier.
Gate automation systems must be tested in accordance with EN 12453.
Photocell pair test:
- connect the power supply to the receiver onlyand check if the RX diode is off.
-also connect the power supply to the transmitterand check if the RX diode is on.
- move a roller 5 cm in diameter and 30 cm long cutting the perpendicular optical axis between the transmitter and receiver, first near the TX transmitter, then near the RX receiver, and then halfway between them. Each time the photocell should switch from standby to alarm, which is visible by the RX diode going off.
- if connected, check the operation of signal lamps.
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