D-44 BW Series Area Sensor
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 minimizes unsensing areas, making it ideal for detecting smaller targets. High-brightness LEDs on both the emitter and receiver ensure easy recognition from side, front, and long distances. The sensor incorporates self-diagnosis, mutual interference prevention, and external diagnosis functions for reliable operation. Its robust IP65 protection structure (IEC standard) makes it suitable for various industrial environments.
Product Attributes
- Brand: Autonics (implied by context)
- Product Type: Area Sensor
- Sensing Method: Through-beam type
- Protection Structure: IP65 (IEC standard)
- Material: Case: aluminum, Front cover, sensing part: acrylic
- Approvals:
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) | Operation Mode | Control Output | Light Source | Insulation Resistance | Synchronization Type | Noise Immunity | Dielectric Strength | Vibration | Shock | Ambient Temperature | Ambient Humidity | Cable | 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 | 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 | 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. 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 | 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 | 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. 1.4kg |
| BW20-48(P) | Weight (Packaging): Approx. 2.1kg | ||||||||||||||||||||
| BW40-24(P) | Weight (Packaging): Approx. 2.1kg | ||||||||||||||||||||
Key Features
- Long sensing distance up to 7m
- 22 types of products (optical axis: 20/40mm, sensing height: 120 to 940mm)
- Minimizes unsensing area with 20mm optical axis pitch (BW20-)
- High brightness LED for easy recognition
- Self-diagnosis function
- Mutual interference prevention function
- External diagnosis function
- Protection structure IP65 (IEC standard)
- Includes reverse polarity protection circuit and output short over current protection circuit
Ordering Information Example
BW2008P: BW (Cross-beam area sensor) - 20 (20mm optical axis pitch) - 08 (8 optical axes) - P (PNP open collector output)
Dimensions
(Diagrams for Emitter, Receiver, Bracket A, Bracket B are present in the source but cannot be rendered as text. Refer to the source for visual dimensions.)
Wiring Connection
(Diagrams for NPN and PNP output circuits, and connections are present in the source but cannot be rendered as text. Refer to the source for wiring details.)
Operation Indicator
| Indicator | Color | Status |
|---|---|---|
| POWER | Green | Stable ON |
| Unstable | Yellow | Stable ON |
| TEST (M/S) | Red | Stable ON (Emitter: Flashing when TEST input is 0V) |
Troubleshooting
| Cause | Troubleshooting |
|---|---|
| Not operating |
|
| Control output is OFF even though there is no target object. |
|
| 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 emitting receiving element |
| LED displays for synchronous line | Synchronous line incorrect connection or disconnection. Break of synchronous circuit of emitter or receiver. |
| LED displays for control output over current |
|
| LED displays for emitter malfunction | Emitter malfunction. |
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.
2411220420_Autonics-BW40-14_C17318514.pdf
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