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Description : Accelerometers RoHS
Mfr. Part # : BW40-22
Model Number : BW40-22
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.
| 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 |
| 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.
(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.)
Operation Mode: Light ON fixed
Wiring Connection:
Operation Indicator:
| Cause | Troubleshooting |
|---|---|
| Not operating |
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| Not operating sometimes |
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| Control output is OFF even though there is no target object. |
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| 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 |
|
| LED displays for emitter malfunction | Emitter malfunction: Treat after checking the emitter display LED. |
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Through beam photoelectric sensor Autonics BW40-22 with self diagnosis function and ip65 protection structure Images |