Product Overview
The BWC Series Cross-Beam Area Sensor is designed for precise obstacle detection with a minimized blind zone achieved through a 3-point cross-beam netting method. It offers a long sensing distance of 1 to 7 meters and a wide range of model choices, varying in the number of optical axes (4 to 20), pitch of optical axes (40mm or 80mm), and sensing width (120mm to 1,040mm). Key features include built-in interference protection, a self-diagnosis function that monitors front screen contamination and optical axis obstruction, and conspicuous high-luminance indicators for easy status checks. This sensor is suitable for various applications, including obstacle detecting sensors for subway platform screen doors (PSD), and meets KRS Korean Railway Standards for specific models. The robust IP67 protection structure ensures reliability in diverse environments.
Product Attributes
- Brand: BWC Series
- Protection Structure: IP67 (IEC standard)
- Certifications: KRS SG 0068 Approval
- Material: Case: Aluminum, Sensing part and indicator: Acrylic
- Cable: 5mm, 4-wire, 300mm, M12 connector
Technical Specifications
| Model | BWC40-H / HD | BWC80-14H / HD |
|---|---|---|
| Sensing type | Through-beam type | |
| Sensing distance | 1.0 to 7.0m | |
| Sensing target | Opaque material of min. 50mm | Opaque material of min. 90mm |
| Optical axis pitch | 40mm | 80mm |
| Number of optical axes | 4/10/12/16/18/20 | 14 |
| Sensing height | 120 to 760mm | 1,040mm |
| Beam pattern | 3-point cross-beam netting type | |
| Response time | Max. 50ms | |
| Power supply | 12-24VDC 10% (ripple P-P: max. 10%) | |
| Current consumption | Max. 100mA | |
| Light source | Infrared LED (850nm modulated) | |
| Operation mode | Light ON / Dark ON | Light ON / Dark ON |
| Control output | NPN open collector output Load voltage: max. 30VDC Load current: max. 100mA (self-diagnosis output: max 50mA) Residual voltage: max. 1VDC | |
| Protection circuit | Reverse power polarity, output short over current protection circuit | |
| Insulation resistance | Over 20M (at 500VDC megger) | |
| Synchronization type | Timing method by synchronous cable | |
| Self-diagnosis | Transmitted-received light monitoring, direct light monitoring, output circuit monitoring, self-diagnosis output (checking whether there is contamination on the front screen, or any obstacle on optical axis) | |
| Interference protection | Interference protection by frequency changing setting | |
| Noise immunity | 240V the square wave noise (pulse width: 1) by the noise simulation | |
| Dielectric strength | 1,000VAC 50/60Hz for 1 min | |
| Vibration | 1.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours | |
| Shock | 500m/s (approx. 50G) in each X, Y, Z direction for 3 times | |
| Environment: Ambient illumination | Ambient light: max. 100,000lx (received light side illumination) | |
| Environment: Ambient temperature | -10 to 55, storage: -20 to 60 | |
| Environment: Ambient humidity | 35 to 85%RH, storage: 35 to 85%RH | |
| Weight (approx.) | 2.1kg (approx. 1.7kg) (based on BWC80-14H, includes packaging) | |
| Connection Cable (sold separately) | CID4-3T/5T/7T/10T/15T (Emitter), CID4-3R/5R/7R/10R/15R (Receiver) | |
Model Number Breakdown:
- BWC40-04H/HD: 4 optical axes, 120mm sensing height, 40mm pitch
- BWC40-10H/HD: 10 optical axes, 360mm sensing height, 40mm pitch
- BWC40-12H/HD: 12 optical axes, 440mm sensing height, 40mm pitch
- BWC40-16H/HD: 16 optical axes, 600mm sensing height, 40mm pitch
- BWC40-18H/HD: 18 optical axes, 680mm sensing height, 40mm pitch
- BWC40-20H/HD: 20 optical axes, 760mm sensing height, 40mm pitch
- BWC80-14H/HD: 14 optical axes, 1,040mm sensing height, 80mm pitch
Dimensions (mm):
| Model | L | A, B |
|---|---|---|
| BWC40-04H/HD | 160 | 40 |
| BWC40-10H/HD | 400 | 40 |
| BWC40-12H/HD | 480 | 40 |
| BWC40-16H/HD | 640 | 40 |
| BWC40-18H/HD | 720 | 40 |
| BWC40-20H/HD | 800 | 40 |
| BWC80-14H/HD | 1120 | 80 |
Wiring Connection:
| Pin No | Cable Color (Emitter) | Emitter | Cable Color (Receiver) | Receiver |
|---|---|---|---|---|
| 1 | Brown | 12-24VDC | Brown | 12-24VDC |
| 2 | White | Sync | White | Sync |
| 3 | Blue | 0V | Blue | 0V |
| 4 | Black | MODE (OUT) | Black | OUT |
Operation Indicator:
| Indicator | Color | Status | Meaning |
|---|---|---|---|
| Emitter Operation Indicator | Green | ON | Stable light ON |
| Yellow | ON | Unstable area | |
| Red | ON | Stable light OFF | |
| Receiver Operation Indicator | Green | ON | Stable light ON |
| Red | ON | Stable light OFF |
Self-Diagnosis Output:
| Condition | Emitter Operation Indicator | Control Output | Self-Diagnosis Output |
|---|---|---|---|
| Front screen contamination level 1 | Red, flashing at 1 sec interval | OFF | OFF |
| Front screen contamination level 2, covering optical axis | Red, flashing at 0.25 sec interval | ON | ON |
Interference Protection: Installation mode allows changing transmitted light frequency to prevent interference. Enter installation mode by supplying power with 0V to terminal 4 (black) MODE of the Emitter.
2411220421_Autonics-BWC40-12HD_C17290189.pdf
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