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The D-44 BW Series Area Sensor is a through-beam type photoelectric sensor designed for long-distance detection up to 7 meters. It offers a wide range of configurations with 22 product types, featuring optical axis pitches of 20mm or 40mm and sensing heights from 120mm to 940mm. The 20mm optical axis pitch minimizes unsensing areas, making it ideal for detecting smaller targets. High-brightness LEDs on both the emitter and receiver ensure easy recognition from various angles and distances. The sensor includes advanced functions such as self-diagnosis, mutual interference prevention, and external diagnosis, along with an IP65 protection structure for robust operation in industrial environments. It is suitable for applications requiring reliable detection of opaque objects with specified minimum diameters.
Product Attributes
Brand: Autonics (implied by document context)
Product Series: BW Series
Protection Structure: IP65 (IEC standard)
Material: Case: aluminum, Front cover, sensing part: acrylic
Cable Type: 5mm, 4-wire, M12 connector
Approvals: (No specific approvals listed, only a symbol)
Technical Specifications
Model
Sensing Method
Sensing Distance
Min. Sensing Target
Optical Axis Pitch
Number of Optical Axis
Sensing Height
Response Time
Power Supply
Current Consumption (Emitter/Receiver)
Operation Mode
Control Output
Light Source
Insulation Resistance
Synchronization Type
Protection Circuit
Noise Immunity
Dielectric Strength
Vibration
Shock
Ambient Illumination
Ambient Temperature
Ambient Humidity
Weight (Unit Only)
BW20- (P)
Through-beam type
0.1 to 7m
Opaque material of min. 30mm
20mm
8 to 48
140 to 940mm
Max. 10ms
12-24VDC 10% (ripple P-P: max. 10%)
max. 120mA / max. 120mA
Light ON fixed
NPN or PNP open collector output (Load voltage: max. 30VDC, Load current: max. 100mA)
Infrared LED (850nm modulated)
Over 20M (at 500VDC megger)
Timing method by synchronous line
Reverse polarity protection circuit, output short over current protection circuit
240V the square wave noise (pulse width 1) by the noise simulator
1,000VAC 50/60Hz for 1 min
1.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours
500m/s (approx. 50G) in each X, Y, Z direction for 3 times
Max. 100,000lx (receiver illumination)
-10 to 55, storage: -20 to 60
35 to 85%RH, storage: 35 to 85%RH
Approx. 1.4kg
BW40- (P)
Opaque material of min. 50mm
40mm
4 to 24
120 to 920mm
Approx. 1.4kg
Features
Long sensing distance up to 7m.
22 types of products available with varying optical axis pitches (20/40mm) and sensing heights (120 to 940mm).
Minimizes unsensing area with a 20mm optical axis pitch (BW20- models).
High-brightness LED emitter and receiver for easy recognition from side, front, and long distances.
Includes self-diagnosis, mutual interference prevention, and external diagnosis functions.
Protection structure IP65 (IEC standard).
Ordering Information
Item
Optical Axis Pitch
Number of Optical Axis
Control Output
Model Example
No mark
20mm
04 to 48
NPN open collector output
BW20-08(P)
P
40mm
4 to 48
PNP open collector output
Example: BW20-08P indicates a 20mm optical axis pitch, 8 optical axes, and PNP output.
Dimensions
(Diagrams for Emitter, Receiver, Bracket A, and Bracket B are present in the source but cannot be rendered as HTML tables without precise data extraction from the image.)
Self-diagnosis: Emitter/Receiver monitoring, direct light monitoring, over current monitoring. Control output turns OFF and operation indicator displays status upon error.
Interference Protection: Master/slave function to prevent sensing errors when using multiple sensors in parallel.
External Diagnosis: When TEST input (black) of emitter is 0V, emitting stops, allowing external system to check sensor operation.
Troubleshooting
Cause
Troubleshooting
Not operating
Power supply: Supply the rated power.
Incorrect cable connection or disconnection: Check the wiring.
Rated connection failure: Use it within the rated sensing distance.
Not operating sometimes
Pollution by dirt of sensor cover: Remove dirt by soft brush or cloth.
Connector connection failure: Check the assembled part of the connector.
Control output is OFF even though there is no target object.
Out of rated sensing distance: Use within the rated sensing distance.
There is an obstacle to cut off the light emitted between emitter and receiver: Remove the obstacle.
There is a strong electric wave or noise generated by motor, electric generator, high voltage line etc.: Put away the strong electric wave or noise generator.
LED displays for break of light emitting element
Break of light emitting element
LED displays for failure of emitter
Break of light emitting circuit
LED displays for failure of receiver
Break of light receiving element
LED displays for synchronous line
Synchronous line incorrect connection or disconnection: Check the wiring. Break of synchronous circuit of emitter or receiver.
LED displays for control output over current
Control output line is shorten: Check the wiring.
Over load: Check the rated load capacity.
LED displays for emitter malfunction
Emitter malfunction: Treat after checking the emitter display LED.
Proper Usage
Follow instructions in 'Proper Usage'. Otherwise, it may cause unexpected accidents.
12-24VDC power supply should be insulated and limited voltage/current or Class 2, SELV power supply device.
Use the product 1 sec after supplying power. When using separate power supply for the sensor and load, supply power to sensor first.
When using switching mode power supply to supply the power, ground F.G. terminal and connect a condenser between 0V and F.G. terminal to remove noise.
When connecting a DC relay or other inductive load, remove surge by using diodes or varistors.
Wire as short as possible and keep away from high voltage lines or power lines, to prevent surge and inductive noise.
This unit may be used in the following environments: Indoors (in the environment condition rated in 'Specifications'), Altitude max. 2,000m, Pollution degree 2, Installation category II.
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture.
Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture.
Founded in 2009, Our compa...
