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BurookHi Norman... I just remembered i didn't let u know.... everything worked out we made both the wired and the remot control opening work... they loved the item (assuming it will hold its own for the next 10 years or so) -
KiranYes I don’t doubt you. Jutai is one of the most confident companies I came across in China
Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection
| Place of Origin | China |
|---|---|
| Brand Name | JUTAI |
| Certification | CE |
| Model Number | CL20-8L |
| Document | CL05-8L User Manual.pdf |
| Minimum Order Quantity | 1 |
| Price | Negotiation |
| Packaging Details | Cartoon |
| Delivery Time | 5 - 8 working days |
| Payment Terms | T/T,L/C,D/A,D/P,Western Union,Paypal,,Alipay |
| Supply Ability | 1000 pieces per month |
Product Details
| IP Rating | IP67 | Function | Blanking |
|---|---|---|---|
| Sensing Distance | 8m | Material | Aluminum Alloy |
| Feature | Corrosion Resistant | Power Voltage | DC12-24V |
| Operating Temperature | -20~60℃ | Operating Current | <50mA |
| Output | No/Nc, COM | Working Current | <20mA@DC12V-24V |
| Specification | 2000*21*15 Mm | ||
| Highlight | Infrared safety sensor for roller shutters,Roller shutter anti-pinch protection sensor,IP67 safety light curtain for doors |
||
Product Description
Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection
The JUTAI CL20-8L Infrared Safety Sensor Grid is a dedicated anti-pinch solution for roller shutter doors. It forms an 8-beam invisible protective grid between the emitter and receiver, instantly triggering door reversal or stopping when personnel, hands, or objects intrude the detection area. Designed with IP67 protection and rugged aluminum alloy housing, it delivers reliable performance in industrial, commercial, and warehouse environments.
Core Specifications
| Parameter | Specification |
|---|---|
| Model | CL20-8L |
| 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 |
| Protection Rating | IP67 (dustproof + waterproof) |
| Housing Material | Aluminum alloy |
| 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: 4-pole M8 male connector |
| Operating Temperature | -20°C ~ +60°C |
| Key Function | Roller shutter 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, misalignment) |
Key Advantages
- Targeted Anti-Pinch Protection: Detects hands, limbs, or objects near roller shutter doors, triggering immediate door reversal to prevent pinching accidents. 8-beam full coverage eliminates safety blind spots.
- Blanking Mode for False Alarm Prevention: Blocks the first channel without triggering safety responses, adapting to roller shutter door gap structures while retaining protection against unintended intrusions.
- Rugged & Environmentally Adaptable: IP67 protection resists dust, water splashes, and harsh industrial conditions. Wide temperature range (-20°C ~ +60°C) ensures stable operation in various environments.
- Easy Installation & Operation: Color-coded wiring simplifies connection. Intuitive LED indicators enable quick status checks. Adjustable mounting brackets fit various door frame structures.
Wiring Guide
| Component | Wire Color | Function | Notes |
|---|---|---|---|
| Transmitter | Red | DC12-24V Positive Power Supply | Connect to power supply positive terminal |
| Transmitter | Black | Ground (GND) | Connect to power supply negative terminal |
| Transmitter | Green/Yellow/White | Reserve | No connection required for basic use |
| Receiver | Red | DC12-24V Positive Power Supply | Same as transmitter power connection |
| Receiver | Black | Ground (GND) | Same as transmitter ground connection |
| Receiver | Green | NO/NC Output (Default NO) | Connect to roller shutter door control system signal input |
| Receiver | Yellow | Configurable NC | Activate via Blanking Mode setup |
| Receiver | White | COM (Common Terminal) | Matching terminal for NO/NC output |
Critical Warning: Do NOT connect NO/NC terminals to the power supply positive terminal—this will damage the optical relay.
Blanking Mode Activation Steps
- Power on the sensor grid and confirm correct wiring.
- Within 1 minute of power-on, touch the receiver's Green wire to its GND (Black wire) five times.
- Observe the receiver's Red light blinking to confirm activation: Yellow wire switches to NC mode, and Blanking Mode is enabled.
Application Scenarios
- Industrial roller shutter doors (factories, warehouses, logistics centers)
- Commercial roller shutter doors (retail stores, shopping malls, commercial buildings)
- Cold storage roller shutter doors (refrigerated warehouses, freezer rooms)
- Garage roller shutter doors (residential, commercial parking facilities)
Troubleshooting
| Fault Symptoms | Possible Causes | Solutions |
|---|---|---|
| Receiver's blue light flashes (power-on) | Emitter and receiver misalignment | Readjust positions to ensure parallel alignment |
| Transmitter's red light flashes fast | Power supply voltage <9V or >28V | Stabilize power supply to meet DC12-24V requirements |
| Sensor grid works, but door has no anti-pinch action | Wiring error | Recheck wiring against the guide; ensure correct connection to door control system |
| Unable to enter Blanking Mode | 1. Light leakage during door descent 2. Bottommost beam blocked by debris 3. Door/obstruction fails to meet minimum continuous blocking distance | 1. Fix door sealing to prevent light leakage 2. Clear debris blocking the beam 3. Adjust door/obstruction to meet distance requirements |
Usage & Maintenance Caveats
- Keep connecting cables away from high-voltage/high-current conductors to avoid interference or damage.
- Regularly wipe emitter/receiver lenses with a dry, soft cloth to remove dust, dirt, or condensation.
- Do not bend, twist, or pull cables forcefully; avoid scratching infrared lenses.
- Prevent direct sunlight or other infrared light sources from shining on the receiver (avoids false triggers).
- Ensure the roller shutter door or obstruction used for Blanking Mode meets the minimum continuous blocking distance requirement.
Customer Success Stories
"JUTAI's sensor eliminated downtime in our cold storage facility. The IP67 rating ensured reliable operation even at -25°C."
"The dual-mode feature allowed seamless integration into our existing infrastructure. Installation was effortless!"
"JUTAI's CE-certified sensor met our safety standards while reducing maintenance costs by 30%."
"After installing JUTAI's 16-beam sensor, we saw a 100% reduction in conveyor-related incidents."
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