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Specifications
Mfr. Part #:
BW40-12P
Key Attributes
Model Number:
BW40-12P
Product Description
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 precise detection. High-brightness LEDs on both emitter and receiver ensure easy recognition from various angles and distances. The sensor incorporates essential functions like self-diagnosis, mutual interference prevention, and external diagnosis, all housed in a robust IP65-rated protection structure.
Product Attributes
- Brand: Autonics (implied by product page context)
- 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
- Control Output: NPN or PNP open collector output
- Approvals: (Implied by presence of approval markings)
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) | Load Voltage (Output) | Load Current (Output) | 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 | Max. 30VDC | Max. 100mA | Over 20M (at 500VDC megger) | 1,000VAC 50/60Hz for 1 min | 1.5mm amplitude at 10-55Hz (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 | Max. 30VDC | Max. 100mA | Over 20M (at 500VDC megger) | 1,000VAC 50/60Hz for 1 min | 1.5mm amplitude at 10-55Hz (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 |
| Model Example: BW20-08(P) | Details: Optical axis pitch 20mm, Number of optical axis 8, Sensing height 140mm | N/A | |||||||||||||||
| Model Example: BW40-04(P) | Details: Optical axis pitch 40mm, Number of optical axis 4, Sensing height 120mm | N/A | |||||||||||||||
| Weight (with packaging) | BW20-48: Approx. 2.1kg; BW40-24: Approx. 2.1kg | ||||||||||||||||
| Cable | 5mm, 4-wire, 300mm, M12 connector | ||||||||||||||||
| Accessory | Bracket A: 4, Bracket B: 4, Bolt: 8 | ||||||||||||||||
Key Features & Functions
- Long sensing distance up to 7m.
- Wide range of product types: 22 models with varying optical axis pitches (20/40mm) and sensing heights (120 to 940mm).
- Minimizes unsensing area with 20mm optical axis pitch (BW20- models).
- High brightness LED on emitter and receiver for easy side, front, and long-distance recognition.
- Self-diagnosis function: Emitter/Receiver monitoring, direct light monitoring, over current monitoring.
- Mutual interference prevention function (Master/Slave).
- External diagnosis function: Emitting stops when TEST input is 0V, allowing external system monitoring.
- Protection circuit: Reverse polarity protection, output short over current protection.
Installation & Usage
- Mounting: Brackets A and B are available.
- Interference Prevention: For multi-sensor installations, use Master/Slave configuration, ensure opposite transmission direction, install baffles, or maintain sufficient installation distance.
- Proper Usage: Use within rated sensing distance, ensure correct wiring, and use appropriate power supply (12-24VDC, insulated, limited voltage/current or Class 2, SELV). Allow 1 second after power supply before use. For switching mode power supplies, ground F.G. terminal and connect a condenser. For inductive loads, remove surge with diodes or varistors. Keep wires short and away from high voltage/power lines.
- Environmental Conditions: Suitable for indoor use within specified environmental conditions, altitude max. 2,000m, pollution degree 2, installation category II. Avoid direct fluorescent light with high speed start or high frequency.
Operation Indicator
| Indicator | Color | Status | Meaning |
|---|---|---|---|
| Emitter | Green | Stable ON | POWER ON |
| Red | Flashing (0.5 sec) | Break of light emitting element / Emitter failure (Time out) | |
| Yellow | Flashing (0.5 sec) | Malfunction of MASTER/SLAVE line (operation in MASTER) | |
| Receiver | Green | Stable ON | Stable light ON (with target) |
| Red | Stable ON | Stable light OFF (without target) | |
| Receiver | Yellow | Stable ON | Unstable light ON |
Troubleshooting
| Issue | Cause | Troubleshooting |
|---|---|---|
| Not operating | Power supply | Supply the rated power. |
| Incorrect cable connection or disconnection | Check the wiring. | |
| Rated connection failure | Use it within 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 | Contact Autonics Corp. |
| LED displays for failure of emitter | Break of light emitting circuit | Contact Autonics Corp. |
| LED displays for failure of receiver | Break of light receiving element | Contact Autonics Corp. |
| LED displays for synchronous line | Synchronous line incorrect connection or disconnection / Break of synchronous circuit of emitter or receiver | Check the wiring. Contact Autonics Corp. |
| LED displays for control output over current | Control output line is shorten / Over load | Check the wiring. Check the rated load capacity. |
| LED displays for emitter malfunction | Emitter malfunction | Treat after checking the emitter display LED. |
2411220420_Autonics-BW40-12P_C17616446.pdf
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