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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
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
IP Rating : IP67
Working Current : <20mA@DC12V-24V
The JUTAI CL20-8L Industrial Door Protection Light Grid is a CE-certified safety sensing solution designed exclusively for industrial door scenarios. It forms an 8-beam invisible protective grid between the emitter and receiver, instantly triggering safety responses (door reversal, stopping) when personnel, objects, or equipment intrude the detection area. With an IP67 waterproof/dustproof enclosure and rugged aluminum alloy construction, it delivers reliable anti-pinch and intrusion protection for industrial doors in harsh industrial environments, ensuring compliance with safety standards and operational continuity.
| Parameter | Specification |
|---|---|
| Model | CL20-8L |
| Certification | CE certified (compliant with safety standards for industrial machinery) |
| Protection Rating | IP67 (dustproof + waterproof) |
| Housing Material | Aluminum alloy |
| Working Voltage | DC12-24V |
| Working Current | Transmitter: <65mA @DC12V; Receiver: <20mA @DC12V |
| Output Configuration | NO/NC relay output (default NO, configurable to NC); COM terminal included |
| Operating Range (Emitter to Receiver) | 1-8m |
| Maximum Protection Height | 1729mm |
| Number of Photocells | 8 beams |
| Cable Length | Transmitter: 8m; Receiver: 4m |
| Connector Type | Transmitter: 5-pole M8 male connector; Receiver: 5-pole M8 male connector |
| Operating Temperature | -20°C ~ +60°C |
| Key Function | Industrial door anti-pinch protection + Blanking Mode (anti-false alarm) |
| LED Status Indicators | Transmitter: Steady blue (normal operation); Fast-flashing red (voltage <9V or >28V) Receiver: Steady red (object/personnel blocked); Steady blue (no obstruction); Flashing blue (first power-on, emitter-receiver misalignment) |
| Installation Hole Dimensions (Unit: mm) | 14, 29, 75, 80, 175, 19.7, 21.4, 259 |
| Component | Wire Color | Function | Detailed Notes |
|---|---|---|---|
| Transmitter | Red | DC12-24V Positive Power Supply | Connect to a stable DC power supply; avoid overvoltage/undervoltage to prevent device damage |
| Transmitter | Black | Ground (GND) | Connect to power supply negative terminal; ensure reliable grounding to avoid signal interference |
| Transmitter | Green | Reserve | No connection required for basic use |
| Transmitter | Yellow | Reserve | No connection required for basic use |
| Transmitter | White | Reserve | No connection required for basic use |
| Receiver | Red | DC12-24V Positive Power Supply | Use the same power source as the transmitter for consistent voltage |
| Receiver | Black | Ground (GND) | Shared ground with the transmitter to ensure signal stability |
| Receiver | Green | NO/NC Output (Default NO) | Connect to the industrial door control system's safety signal input terminal |
| Receiver | Yellow | Configurable NC | Switches to NC output after Blanking Mode activation (matches door control system requirements) |
| Receiver | White | COM (Common Terminal) | Must be connected to the door control system's corresponding terminal for normal output function |
| Fault Symptoms | Possible Causes | Detailed Solutions |
|---|---|---|
| Receiver's blue light flashes continuously after power-on | Emitter and receiver misalignment (light beams not paired) | 1. Adjust the mounting positions to ensure both devices are parallel. 2. Remove obstacles blocking the light path between emitter and receiver. 3. Tighten mounting screws to avoid vibration-induced misalignment. |
| Transmitter's red light flashes fast | Power supply voltage <9V or >28V | 1. Use a multimeter to test the power supply voltage. 2. Replace with a stable DC12-24V power supply. 3. Check for voltage drops caused by long cables and replace with thicker cables if necessary. |
| Light grid works normally (LED indicators correct), but door has no anti-pinch action | Wiring error (incorrect connection of NO/NC or COM terminal) | 1. Recheck wiring against the guide - ensure Green/Yellow (output) and White (COM) terminals are connected to the door control system's safety interface. 2. Verify the door control system is set to "external safety sensor input" mode. |
| Unable to enter Blanking Mode | 1. Operation exceeds 1-minute window after power-on 2. Light leakage during door descent 3. Bottommost beam blocked by debris 4. Door/obstruction fails to meet minimum continuous blocking distance | 1. Power off and restart, then activate within 1 minute. 2. Fix door sealing to prevent light leakage. 3. Clear debris blocking the bottommost beam. 4. Adjust the door or obstruction to meet the continuous blocking distance requirement. |
For technical support, customization, or bulk inquiries, visit our official website: www.accesssecuritysolution.com
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Industrial Door Protection Light Grid with CE Certification & IP67 Enclosure Images |