DS-AL Series Ultra-thin Safety Light Curtain Area Sensor for Machine Guarding
DS-AL area safety light curtains are produced with rigid alloy housing and applications are industrial machine guarding. DASS provide ultra-thin optical sync sensors with dual NPN/PNP output & real-time self-test.
- Ultra-slim 14×29mm cross-section design with minimal blind zone for flexible installation
- Optical synchronization technology with strong anti-electromagnetic interference performance
- Dual NPN/PNP signal outputs simultaneously for wide compatibility
- Dual MCU redundant control circuit with response time ≤18ms
- Real-time self-diagnosis function with immediate fault alarm and shutdown protection
DS-AL Ultra-Thin Area Light Curtain Description
DS-AL ultra-thin area light curtain is slim infrared through-beam sensor independently developed by our factory. Adopt ultra-slim 14×29mm mini housing, optical synchronous communication without synchronous wire, reduce wiring failure risk. Dual MCU redundant control circuit with full real-time self-check, automatically alarm and stop equipment when faults occur. Separate power supply for transmitter & receiver, dual NPN+PNP simultaneous output, three optional optical axis pitches (10/20/40mm), max protection height up to 1240mm, detection distance 0.2–1.5m, small upper & lower blind zone, flexible narrow-space installation for small automated equipment safety protection and workpiece counting.
DS-AL Ultra-Thin Area Light Curtain Technical Data Sheet
| Parameter Item | Specification |
| Full Model Naming Rule | DS-AL + Beam Quantity + Optical Axis Pitch |
| Example: DS-AL0420 = 4 beams, 20mm optical axis pitch | |
| Cross Section Dimension | Ultra-thin 14mm × 29mm slim housing |
| Optical Axis Pitch Options | 10mm / 20mm / 40mm; Corresponding resolution:15/25/45mm |
| Beam Quantity Range | 4 ~ 84 complete beam specifications |
| Max Effective Protection Height | Up to 1240mm |
| Standard Detection Distance | Fixed 0.2–1.5m |
| Infrared Light Source | 940nm modulated infrared LED |
| Synchronization Mode | Optical synchronous transmission, no synchronous cable required |
| Max Total Power Consumption | ＜15W |
| Response & Scan Time | Response time 4–18ms; Max scan time ＜18ms |
| Supply Voltage | DC 12~24V, wide voltage input |
| Output Mode | Simultaneous dual NPN + PNP open collector output |
| Max Output Load Current | ≤100mA per signal channel |
| Core Control System | Dual MCU redundant circuit, full real-time self-diagnosis |
| Fault Function | Automatic alarm & equipment stop upon internal failure |
| Independent Power Supply | Transmitter and receiver support separate power wiring |
| Protection Grade | IP54 dustproof & splash resistant |
| Operating Temperature | -10℃ ~ +55℃, no frost & condensation |
| Storage Temperature | -20℃ ~ +70℃ |
| Operating Humidity | 15% ~ 85% RH non-condensing |
| Impact Resistance | 10g / 20ms anti-impact performance |
| Fixed Blind Zone | Upper blind zone 20mm, lower blind zone 30mm for all models |
| Installation Feature | Direct outlet design, simple fixed mounting without extra accessories |
| Wiring Definition | Transmitter: Brown=DC+, Blue=0V |
| Receiver: Brown=DC+, Blue=0V, White=NPN signal, Black=PNP signal | |
| Housing Material | Extruded lightweight aluminum alloy |
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DS-AL Ultra-Thin Area Light Curtain Applications
DS-AL ultra-thin light curtain features 14×29mm ultra-narrow body, perfectly fit compact small automation equipment with limited installation space, smaller blind zone than standard 30×30 light curtain. Optical synchronous design eliminates synchronous cable breakage failure risk, dual MCU self-check greatly improve equipment operation safety. Three resolution options match different detection demands:10mm pitch for tiny finger-size workpiece counting, 20mm universal type for packaging conveyor monitoring, 40mm long span for large-area safety isolation. Widely applied in small stamping machines, injection molding auxiliary equipment, packaging machinery, lithium small battery assembly lines, logistics sorting machines and mini automated jigs safety protection & object counting.
DS-AL Safety Light Curtain Key Features
This ultra-thin DS-AL area sensor adopts optical synchronization technology, equipped with dual MCU redundant control circuit. It supports simultaneous NPN/PNP dual output, built-in real-time self-check function, with fast response within 18ms and IP54 dustproof & waterproof housing. Slim 14×29mm cross-section minimizes blind zones for flexible installation.
DS-AL Area Sensor Technical Specifications
The DS-AL series safety light curtain covers multiple protection height models, stable anti-interference performance against electromagnetic signals. It works well in industrial workshop environments, with instant fault alarm and automatic equipment shutdown to guarantee on-site operator safety for automated machinery.
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