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Dual Channel Vehicle Loop Detector with Two Loop Inputs Direction Detection and Relay Output for Parking Systems

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Dual Channel Vehicle Loop Detector with Two Loop Inputs Direction Detection and Relay Output for Parking Systems

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Model Number :	LD-200
Delivery Time :	5 - 8 working days
Payment Terms :	T/T,L/C,D/A,D/P,Western Union,Paypal,Alipay
Price :	Negotiation
Certification :	CE
Supply Ability :	1000 pieces per month
Brand Name :	JUTAI

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Product Details
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Dual Channel Vehicle Loop Detector with Two Loop Inputs Direction Detection and Relay Output for Parking Systems

Dual Channel Vehicle Loop Detector with Direction Detection

This dual-channel vehicle loop detector is designed for parking systems requiring two road-loop inputs in one controller. CH1 and CH2 can monitor separate detection areas or be installed sequentially to evaluate vehicle crossing order for direction recognition and corresponding relay response.

Key Features

Two independent inductive loop inputs: CH1 and CH2
Vehicle direction recognition based on CH1/CH2 activation sequence
Six selectable operating modes for different parking and traffic logic
Eight sensitivity levels per channel (0.015% to 0.8%)
Four selectable frequency bands (20-100kHz)
Presence and pulse relay functions
Automatic reset and permanent-presence operation
Trailer sensitivity enhancement
LED indication for power, detection status, and loop faults

How Direction Detection Works

For directional applications, two sensing loops are placed sequentially in the lane. Vehicle activation sequence (CH1→CH2 or CH2→CH1) determines travel direction. The selected working mode controls relay output generation for parking controller logic.

Technical Specifications

Parameter	Specification
Product Type	Dual Channel Vehicle Loop Detector
Channels	2 (CH1 + CH2)
LD-200 Supply	100-240VAC
LD-202 Supply	12-24VAC/DC
Sensitivity Range	0.015%-0.8%
Frequency Range	20-100kHz
Working Modes	6
Automatic Reset	Approx. 10 minutes in normal mode

Typical Applications

Parking barrier entrance/exit lanes, vehicle access control systems, bidirectional parking lanes, two-zone vehicle presence detection, barrier passage confirmation, traffic-management and vehicle-flow logic.

Loop Installation Guidance

Loop Perimeter	Recommended Turns
3-4m	6 turns
4-6m	5 turns
6-10m	4 turns
10-20m	3 turns
Above 20m	2 turns

Indicators and Switches

Power LED (RED): Illuminates to indicate "Power ON"
CH1 Detection LED: Steady On (vehicle detection), Slow Blinking (loop short circuit), Fast Blinking (loop open circuit)
CH2 Detection LED: Steady On (vehicle detection), Slow Blinking (loop short circuit), Fast Blinking (loop open circuit)

Sensitivity Selection

Sensitivity and frequency adjustment via 7-way and 10-way dip switch settings with 8 different sensitivity levels available.

Switch Configuration

Comprehensive DIP switch configuration for sensitivity, frequency, and operational modes.

Reset Button Note: The LD-200 must be reset every time a setting change is made to the Dip switches.

Installation Guidelines

Coil cutting size: rectangle, length 1.0-2.0 meters, width 0.8-1.2 meters
Avoid right angles at corners
Use ferromagnetic wires for induction coil (total length up to 500 meters)
Keep product plug and socket in vertical direction during installation

System Integration

Ideal for single-channel entry/exit scenarios when integrated with JUTAI door controllers, gate barriers, RFID readers, and high-temperature resistance loop coils.

Working Principle

Comprehensive entry and exit processes with direction recognition functionality to prevent duplicate triggering and ensure accurate record keeping.

Independent Operation Mode

Can function as two independent single-channel loop detectors for cost-effective one-in/one-out parking lot configurations.

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Dual Channel Vehicle Loop Detector with Two Loop Inputs Direction Detection and Relay Output for Parking Systems

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Dual Channel Vehicle Loop Detector with Two Loop Inputs Direction Detection and Relay Output for Parking Systems