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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
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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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Shenzhen Dashen Sensing Technology Co., Ltd.