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Safety Light Grid for Rolling Doors and High Speed Doors with Blanking Mode Function

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Safety Light Grid for Rolling Doors and High Speed Doors with Blanking Mode Function

Function : Blanking

Operating Temperature : -20~60℃

Power Voltage : DC12-24V

Operating Current : <50mA

Specification : 2000*21*15 mm

Sensing Distance : 8m

Feature : Corrosion Resistant

Output : No/Nc, COM

Material : Aluminum Alloy

Working Current : <20mA@DC12V

Brand Name : JUTAI

Model Number : CL20-8L

Certification : CE

Place of Origin : China

MOQ : 1

Price : Negotiation

Payment Terms : T/T,L/C,D/A,D/P,Western Union,Paypal,MoneyGram,Alipay

Supply Ability : 1000 pieces per month

Delivery Time : 5 - 8 working days

Packaging Details : Cartoon

IP Rating : IP67

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Safety Light Grid for Rolling Doors and High Speed Doors with Blanking Mode Function
Product Overview
Safety Light Grid for Rolling Doors and High Speed Doors with Blanking Mode Function

JUTAI CL20-8L Safety Light Grid is a specialized protective device for rolling doors and high speed doors, featuring Blanking Mode to avoid false alarms. It forms an 8-beam invisible grid, triggering instant safety responses (door reversal/stopping) when intruded, ensuring anti-pinch protection in industrial/commercial settings. With IP67 protection and rugged aluminum alloy housing, it's durable for harsh environments.

Technical Specifications
Parameter Specification
Working Voltage DC12-24V
Working Current Transmitter <65mA @DC12V; Receiver <20mA @DC12V
Output Configuration NO/NC relay output (configurable)
Protection Rating IP67 (Dustproof & Waterproof)
Housing Material Aluminum Alloy
Operating Range 1-8 meters (transmitter to receiver)
Maximum Protection Height 1729mm
Number of Photocells 8
Cable Length Transmitter 8m; Receiver 4m
Connector Type Transmitter: 5-pole M8 male; Receiver: 4-pole M8 male
Operating Temperature -20°C ~ +60°C
Special Function Blanking Mode (first channel blocking non-trigger)
LED Status Indicators Transmitter: Blue (normal), Red (voltage irregularity); Receiver: Red (blocked), Blue (unblocked), Flashing Blue (misalignment)
Key Features
  • Blanking Mode: Prevents false alarms during normal door closure, adapting to rolling/high speed door gaps.
  • Rapid Response: Matches high speed door operation, triggering instant safety actions to avoid accidents.
  • IP67 Durability: Resists water, dust, and industrial contaminants for outdoor/harsh environment use.
  • Comprehensive Coverage: 1729mm protection height eliminates safety blind spots for wide door openings.
  • Easy Integration: Standard connectors and color-coded cables simplify wiring.
Wiring Configuration
Component Wire Color Function
Transmitter/Receiver Red DC12-24V Positive Power Supply
Transmitter/Receiver Black Ground (GND)
Receiver Green NO/NC Output (Default NO)
Receiver White COM (Common Terminal)
Receiver Yellow Configurable NC (via Blanking Mode setup)
Blanking Mode Setup
  1. Power on the device.
  2. Within 1 minute, touch the receiver's Green wire to GND five times (Red light blinks to confirm).
  3. Yellow wire switches to NC mode; Blanking Mode is activated.
Primary Applications
  • Rolling doors (industrial, retail, warehouse)
  • High speed doors (manufacturing plants, logistics centers)
  • Sectional rolling doors (factories, large warehouses)
  • Commercial storage facility rolling doors
Troubleshooting Guide
Fault Symptoms Solutions
Slow Flashing Lights (Power On) Realign emitter and receiver for precise beam alignment.
Fast-Flashing Red Light (Transmitter) Check power supply (ensure voltage is 9V-28V).
No Anti-Pinch Action (Light Grid Normal) Verify wiring (avoid connecting NO/NC to power supply positive terminal).
Unable To Enter Blanking Mode 1. Fix light leakage during door descent. 2. Clear debris blocking the bottommost beam. 3. Ensure door/obstruction meets minimum continuous blocking distance.
Usage Guidelines
  • Keep cables away from high-voltage conductors and door machinery.
  • Regularly wipe lenses with a dry, soft cloth to remove dust/debris.
  • Do not bend/twist the device or cables; avoid direct sunlight on the receiver.
  • Avoid scratching infrared lenses to maintain detection accuracy.
Customer Success Stories
"JUTAI's sensor eliminated downtime in our cold storage facility. The IP67 rating ensured reliable operation even at -25°C."
Michael Chen, Warehouse Manager, Leading Cold Chain Logistics Provider
"The dual-mode feature allowed seamless integration into our existing infrastructure. Installation was effortless!"
Lisa Wang, Safety Engineer, Global Automotive Manufacturer
"JUTAI's CE-certified sensor met our safety standards while reducing maintenance costs by 30%."
David Li, Plant Director, International Pharmaceutical Corporation
"After installing JUTAI's 16-beam sensor, we saw a 100% reduction in conveyor-related incidents."
Sarah Zhang, Safety Officer, Top E-commerce Fulfillment Center
Product Gallery
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For more detailed technical information and specifications, visit our website: www.accesssecuritysolution.com


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