LD-100 / LD-102
Single Channel Vehicle Loop Detector

1. Product Overview

2. Quick Feature Summary

3. Product Images and Details

4. Technical Specifications

5. Model Positioning and Family Reference

This product page focuses on the single channel series. The following reference graphic helps buyers understand the position of LD-100 / LD-102 within the JUTAI loop detector family.

6. Setting and Debugging Content

Below is the complete debugging module reorganized with separate images for each control area, so the product page remains complete and installers can quickly understand each function.

6.1 Wiring and Installation Reference

Terminal Wiring Reference

Correct Installation Direction

Loop Size and Number of Turns

6.2 Faceplate LED Indicators

LED Indicator Area

Observe the POWER and LOOP/FAULT LEDs first during commissioning. They help installers identify whether the detector is powered correctly, whether a vehicle is detected, or whether the loop is in fault condition.

Sensitivity Adjustment

Use the rotary selector to choose one of 16 sensitivity levels. Higher sensitivity is recommended for motorcycles or small vehicles. Lower sensitivity helps reduce false triggering in noisy environments.

DIP Switch Basic Orientation

The DIP switch block is the main configuration area. Make sure installers clearly understand the ON/OFF direction before changing any parameter.

DIP 2 ASB Automatic Sensitivity Boost

Enable ASB when high-bed vehicles such as trucks, buses, and trailers need more stable detection. This function improves detection reliability after the vehicle first enters the loop area.

DIP 3 and DIP 4 Entry Exit and Relay Logic

These switches are used for relay logic selection related to entry or exit or pulse behavior. Choose the mode that matches barrier, camera, gate, or counting control logic.

DIP 5 Vehicle Presence Mode

This setting controls the presence hold behavior. It can support continuous presence, fixed hold timing, or extended hold functions according to site requirements.

DIP 6 to DIP 8 Relay Output Timing

These switches define the output timing options for the presence relay, with multiple selectable delays such as 0, 2, 5, 8, 10, 15, 20, and 30 seconds.

DIP 9 and DIP 10 Frequency Setting

When multiple loops are installed nearby, select different operating frequencies to reduce crosstalk and electromagnetic interference between adjacent lanes.

RESET Button

After wiring changes or DIP setting adjustments, press RESET so the detector relearns the loop condition and starts operation with the new configuration.

7. Application Scenario Module

The application scenarios below are optimized using the reference application image you provided, but replaced with clearer and more realistic vehicles, cleaner composition, and less crowded layout for direct website use.

Scenario Use Value Parking Barrier Gate and LPR Lane Detect approaching vehicles, trigger camera capture, open the barrier, and provide anti-crash protection under the boom arm. Industrial Door and Forklift Detection Activate high-speed doors when a forklift approaches and hold the door open while the vehicle remains in the loop zone. Residential Community Access Support vehicle access control for community entrances, including reliable detection of motorcycles and cars. Sliding Gate and Parking Systems Trigger sliding gates or parking entrance devices while reducing false activation from pedestrians or carts. Automatic Bollards Lower bollards when authorized vehicles approach and delay re-raising until the vehicle has completely passed. Weighing System Detect truck arrival on the weighbridge and coordinate weighing logic accurately. Parking Counting with LED Space Display Work with parking counting systems and LED displays to confirm vehicle passage and update available space data. Traffic Signal and Roadside Control Provide vehicle presence input for signal request, lane control, or roadside access automation.

8. What Makes JUTAI Different

The following comparison image can be retained on the website as a persuasive sales-support module. It summarizes the main differences between JUTAI loop detectors and common low-cost alternatives.

· Broader loop inductance range 20–2000 μH than many basic alternatives

· Automatic restart and coil fault function simplify maintenance and reduce downtime

· 16-way sensitivity selection allows more accurate adaptation to motorcycles, cars, and trucks

· No interference to 125 kHz RFID reader makes it suitable for mixed access control projects

· Strong housing with 40,000 V lightning protection improves field reliability

9. Installation Notes

· Cut the loop neatly into the road surface and seal the slot properly after cable installation.

· Use twisted pair feeder cable between the loop and the detector to reduce electromagnetic interference.

· Do not route loop feeder cables together with high-voltage or high-current power cables.

· For adjacent loops or multi-lane projects, select different operating frequencies.

· After changing DIP settings or rewiring, press RESET to relearn the loop condition.

· Increase sensitivity when detecting motorcycles or small vehicles. Use ASB for buses, trucks, and high-chassis vehicles.

10. FAQ

Q: What is the difference between LD-100 and LD-102?

A: LD-100 uses 100–240 VAC power supply, while LD-102 uses 12–24 V AC/DC power supply. Their core detection logic and application fields are the same.

Q: Can this detector be used for barrier gate anti-crash protection?

A: Yes. The presence relay stays active while the vehicle remains on the loop, which helps keep the barrier open and reduces collision risk.

Q: Can it detect motorcycles and small vehicles?

A: Yes. The 16-level sensitivity adjustment allows the installer to raise sensitivity for motorcycles, scooters, and compact vehicles.

Q: Can it detect trucks and trailers?

A: Yes. ASB automatic sensitivity boost improves stability for trucks, buses, and high-bed vehicles.

Q: Is software required for configuration?

A: No. All basic configuration is done directly on the front panel using the rotary sensitivity switch, DIP switches, and RESET button.

Q: Can multiple detectors be installed close together?

A: Yes. Use different operating frequencies for adjacent loops to reduce interference.

11. Copy Ready Website Product Description

JUTAI LD-100 and LD-102 are compact single channel vehicle loop detectors designed for stable inductive vehicle detection in parking barrier gates, industrial doors, sliding gates, LPR lanes, bollards, traffic signal systems, ETC lanes, and weighing systems. By using an induction loop installed in the ground, the detector accurately senses vehicle presence and outputs relay signals for opening, holding, counting, camera triggering, and safety interlocking.

The LD-100 version supports 100–240 VAC power input, while the LD-102 version supports 12–24 V AC/DC input, giving installers flexible options for both traditional AC-powered and low-voltage control systems. With a wide loop inductance range of 20–2000 μH, the detector adapts easily to different loop sizes and site conditions. Sixteen selectable sensitivity levels help ensure reliable detection of motorcycles, passenger cars, SUVs, forklifts, buses, and trucks. Selectable response time from 10–90 ms allows fast reaction for barriers, doors, and other automation equipment.

For advanced field performance, the detector includes ASB automatic sensitivity boost for high-bed vehicles, configurable relay logic, multiple frequency settings for nearby loop installations, automatic restart, coil fault indication, and 40,000 V lightning protection. It does not interfere with 125 kHz RFID readers, which makes it suitable for integrated parking and access control projects. With simple DIP switch setup, LED status indication, and a front RESET button, the LD-100 / LD-102 provides an installer-friendly solution for reliable long-term vehicle detection.

12. Suggested SEO Content

SEO Title: JUTAI LD-100 LD-102 Single Channel Vehicle Loop Detector for Barrier Gate and Industrial Door

Meta Description: Single channel inductive vehicle loop detector for parking barrier gates, industrial doors, sliding gates, LPR lanes, bollards, and weighing systems. 20–2000 μH, 16 sensitivity levels, 10–90 ms response, AC or DC versions available.

Keywords: vehicle loop detector, single channel loop detector, inductive loop detector, barrier gate loop detector, industrial door vehicle detector, LPR trigger loop detector, parking system loop detector, traffic signal vehicle detector