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Through beam area sensor with external diagnosis and mutual interference prevention Autonics BW20-44

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Through beam area sensor with external diagnosis and mutual interference prevention Autonics BW20-44

Description : Accelerometers RoHS

Mfr. Part # : BW20-44

Model Number : BW20-44

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Product Overview

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 (BW20-) minimizes unsensing areas, while high-brightness LEDs on both the emitter and receiver ensure easy recognition from side, front, and long distances. This sensor includes essential functions such as self-diagnosis, mutual interference prevention, and external diagnosis, and boasts an IP65 protection structure for robust operation in industrial environments. It is suitable for detecting opaque materials of specified minimum diameters.

Product Attributes

Brand: Autonics
Product Series: BW Series
Product Type: 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
Certifications: Approvals (symbol shown in source)

Technical Specifications

Model	Sensing Distance	Min. Sensing Target	Optical Axis Pitch	Number of Optical Axis	Sensing Height	Response Time	Power Supply	Current Consumption (Emitter/Receiver)	Control Output	Load Voltage (Max)	Load Current (Max)	Insulation Resistance	Dielectric Strength	Vibration	Shock	Ambient Temperature	Ambient Humidity	Weight (Unit Only)
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%)	Max. 120mA / Max. 120mA	NPN or PNP open collector output	Max. 30VDC	Max. 100mA	Over 20M (at 500VDC megger)	1,000VAC 50/60Hz for 1 min	1.5mm amplitude at 10 to 55Hz (X, Y, Z for 2 hrs)	500m/s (approx. 50G) (X, Y, Z for 3 times)	-10 to 55, storage: -20 to 60	35 to 85%RH, storage: 35 to 85%RH	Approx. 1.4kg
BW40- (P)	0.1 to 7m	Opaque material of min. 50mm	40mm	4 to 24	120 to 920mm	Max. 10ms	12-24VDC 10% (ripple P-P: max. 10%)	Max. 120mA / Max. 120mA	NPN or PNP open collector output	Max. 30VDC	Max. 100mA	Over 20M (at 500VDC megger)	1,000VAC 50/60Hz for 1 min	1.5mm amplitude at 10 to 55Hz (X, Y, Z for 2 hrs)	500m/s (approx. 50G) (X, Y, Z for 3 times)			Approx. 1.4kg
Protection Circuit: Reverse polarity protection circuit, output short over current protection circuit
Synchronization Type: Timing method by synchronous line
Self-Diagnosis: Emitter/Receiver monitoring, direct light monitoring, over current monitoring
Interference Protection: Interference protection by master/slave function
Noise Immunity: 240V the square wave noise (pulse width 1) by the noise simulator
Cable: 5mm, 4-wire, 300mm, M12 connector
Accessory: Bracket A: 4, Bracket B: 4, Bolt: 8
Model Example	Ordering Information: BW [Optical axis pitch] [Number of optical axis] [Control output (No mark: NPN, P: PNP)]
BW20-08(P)	Sensing Height: 140mm	Optical Axis Pitch: 20mm
BW40-04(P)	Sensing Height: 120mm	Optical Axis Pitch: 40mm
Weight Example	Model: BW20-48 / BW40-24 Weight (with packaging): Approx. 2.1kg Weight (unit only): Approx. 1.4kg

2411220420_Autonics-BW20-44_C17392640.pdf

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