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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 models with varying optical axis pitches (20mm and 40mm) and sensing heights (120mm to 940mm), minimizing unsensing areas. Featuring high-brightness LEDs for clear visibility from multiple angles and distances, this sensor includes essential functions like self-diagnosis, mutual interference prevention, and external diagnosis. Its robust IP65 protection structure makes it suitable for demanding industrial environments.
Product Attributes
Brand: Autonics (implied by product numbering and context)
Product Line: BW Series Area Sensor
Sensing Method: Through-beam type
Protection Structure: IP65 (IEC standard)
Case Material: Aluminum
Front Cover/Sensing Part Material: Acrylic
Light Source: Infrared LED (850nm modulated)
Operation Mode: Light ON fixed
Approvals: (symbol present)
Technical Specifications
Model
Sensing Distance
Min. Sensing Target
Optical Axis Pitch
Number of Optical Axis
Sensing Height
Response Time
Power Supply
Current Consumption
Control Output
Insulation Resistance
Noise Immunity
Dielectric Strength
Vibration
Shock
Ambient Temperature
Ambient Humidity
Cable
Weight (BW20-48 / BW40-24)
BW20- (P)
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%)
Emitter: max. 120mA, Receiver: max. 120mA
NPN or PNP open collector output Load voltage: max. 30VDC Load current: max. 100mA Residual voltage - NPN: max. 1VDC, PNP: max. 2.5VDC
Over 20M (at 500VDC megger)
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
-10 to 55, storage: -20 to 60
35 to 85%RH, storage: 35 to 85%RH
5mm, 4-wire, 300mm, M12 connector
Approx. 2.1kg (approx. 1.4kg)
BW40- (P)
0.1 to 7m
Opaque material of min. 50mm
40mm
4 to 24
120 to 920mm
Ordering Information
Item
Optical axis pitch
Number of optical axis
Control output
No mark
NPN open collector output
04 to 48
20mm
P
PNP open collector output
4 to 48
40mm
(Model Prefix)
BW
Cross-beam area sensor
Features
Long sensing distance up to 7m
22 types of products available (optical axis: 20/40mm, sensing height: 120 to 940mm)
Minimizes unsensing area with 20mm optical axis pitch (BW20-)
Easy to recognize at side, front, and long-distance by high brightness LED of Emitter and Receiver
Includes self-diagnosis function, mutual interference prevention function, external diagnosis function
Dimensions
(Diagrams for Emitter, Receiver, Bracket A, Bracket B are present in the source but cannot be represented in text format.)
Input/Output Circuit and Connections
Operation mode: Light ON fixed
Control Output: NPN or PNP open collector output
Load voltage: max. 30VDC
Load current: max. 100mA
Residual voltage - NPN: max. 1VDC, PNP: max. 2.5VDC
Protection Circuit: Reverse polarity protection circuit, output short over current protection circuit
Synchronization type: Timing method by synchronous line
Main Circuit Connections for Emitter and Receiver are detailed for NPN and PNP outputs.
Operation Indicator
LED Color
Emitter
Receiver
Status
Green
POWER
-
Stable light ON
Yellow
-
Unstable
Stable light ON
Red
TEST (M/S)
Stable light OFF
Stable light OFF
Functions
Self-diagnosis: Emitter/Receiver monitoring, direct light monitoring, over current monitoring. Control output turns OFF if an error occurs, and the operation indicator displays the status.
Interference protection: Operates a sensor as MASTER and another as SLAVE to avoid sensing errors caused by light interference when using multiple sensors in parallel.
External diagnosis: When TEST input (black) of emitter is 0V, emitting stops, and the red LED of the emitter flashes, allowing external systems to verify 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 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')
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...
