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{"title":"Gate Loop Detector for Barrier Industrial Doors Loop Short Open Circuit","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/13\/87e5cdc3cda4d5ea44a30a28136b-200x200-1\/gate_loop_detector_for_barrier_industrial_doors_loop_short_open_circuit_indicator_reliable_performance.jpg","attrs":{"Sensitivity":"20-2000\u03bcH","Fault Output":"Blinks slowly: may indicate a short circuit or insufficient number of turns Blinks faster: may indicate an open loop or excessive number of turns","Relay":"Presence relay \/ Fault relay","Sensory regulation":"6 way selectable\/Highest0.010%DL\/L\/ Lowest 2.56%DL\/L"}}
{"title":"LD-200 Vehicle Direction Loop Detector with Dual Independent Channels for","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/80\/3b3f43b3f08a9bded5c777adb906-200x200-1\/ld_200_vehicle_direction_loop_detector_with_dual_independent_channels_for_parking_entrance_and_exit_control.jpg","attrs":{"Model Number":"LD-200","Auto Reset Time":"10 Minutes in Normal Mode","Certification":"CE","Detection Channels":"2 Channels"}}
{"title":"LD-100 Single Channel Vehicle Loop Detector with 16 Sensitivity Levels, 20","imgUrl":"https:\/\/img.chinax.com\/nimg\/53\/c6\/58adbce623a4521f4259d556e351-200x200-1\/ld_100_single_channel_vehicle_loop_detector_with_16_sensitivity_levels_2c_20_2000uh_range_and_automatic_reset_for_parking_barrier_.jpg","attrs":{"Brand Name":"JUTAI","Frequency Levels":"High \/ Medium-High \/ Medium-Low \/ Low","Delivery Time":"3-7 Working Days","Detection Technology":"Inductive Loop Vehicle Detection"}}
Professional parking barrier gate traffic and access control solution
Product Concept
This detector is designed around configuration flexibility. Two loop channels are combined with six selectable working modes so the same hardware can be used for different parking-barrier, access-control and traffic-management strategies. The installer chooses the required behavior with DIP switches rather than replacing the detector when the lane logic changes.
CH1 and CH2 can work together as a direction-sensing pair or separately as independent presence channels. Other modes provide pulse behavior associated with vehicle arrival or departure. This multi-mode structure is useful for integrators managing projects with varied entrance, exit and passage-control requirements.
Overview of the Six Modes
Mode 1: Direction-related pulse logic based on the CH1/CH2 sequence
Mode 2: Direction-related presence logic with a different relay timing pattern
Mode 3: Alternative directional presence behavior for another sequence requirement
Mode 4: CH1 and CH2 operate as separate presence outputs
Mode 5: Pulse output when a vehicle enters CH1 or CH2
Mode 6: Pulse output after a vehicle leaves CH1 or CH2
Sensitivity and Frequency Setup
Both detection channels have eight sensitivity settings from 0.015% to 0.8%. Frequency is selectable in four steps—High, Medium-High, Medium-Low and Low—within approximately 20-100kHz. This gives the installer two independent tools for optimizing detection and controlling cross-talk in multi-loop environments.
Vehicle Presence Management
The detector can be configured for permanent presence, where a vehicle remains detected until it leaves the loop or the detector is manually reset. In normal mode, automatic reset takes place after approximately 10 minutes of continuous presence. A special sensitivity increase function is also provided for trailer applications.
Key Benefits
One product covers multiple lane-control behaviors
Two loop inputs reduce the need for separate single-channel modules
Direction logic supports entrance and exit applications
Presence and pulse outputs support different controller inputs
Sensitivity and frequency can be adjusted during commissioning
LED status helps simplify fault finding
Configuration Specifications
Parameter
Specification
Product
Dual Loop Vehicle Detector
Loop Channels
CH1 / CH2
Working Modes
6 selectable
Sensitivity
8 levels per channel
Sensitivity Range
0.015% highest to 0.8% lowest
Frequency Range
20-100kHz
Frequency Choices
High / Medium-High / Medium-Low / Low
Direction Function
Supported
Separate Presence Function
Supported
Entry/Exit Pulse Logic
Supported by selectable modes
Auto Reset
Approx. 10 minutes
Permanent Presence
Supported
Trailer Sensitivity Increase
Supported
Status Indication
Power / CH1 / CH2 LEDs
LD-200 Supply
100-240VAC
LD-202 Supply
12-24VAC/DC
Applications
Parking barrier gates
Vehicle access-control lanes
Entrance and exit sequencing
Commercial parking management
Industrial vehicle gates
Traffic-control detection points
Installation Considerations
The loop perimeter determines the recommended number of turns. For example, the manual specifies six turns for a 3-4m loop perimeter and two turns for loops above 20m. For dual-loop directional layouts, the manual shows CH1 and CH2 as separate road loops positioned sequentially along the lane.
Indicators and Switches
Power LED (RED): Illuminates to indicate "Power ON"
CH1 Detection LED:
Steady On: Vehicle detection
Slow Blinking: Loop short circuit or insufficient twists
Fast Blinking: Loop open circuit or excessive twists
CH2 Detection LED:
Steady On: Vehicle detection
Slow Blinking: Loop short circuit or insufficient twists
Fast Blinking: Loop open circuit or excessive twists
Sensitivity Selection
Sensitivity and frequency adjustment is facilitated through 7-way and 10-way dip switch settings:
8 different sensitivity settings available via dip switch configuration
Dip switches 6, 7, and 8 govern CH1 sensitivity (0.8 to 0.015)
Dip switches 3, 4, and 5 control CH2 sensitivity (0.8 to 0.015)
Switch Configuration
Switch 1 (S1) - Channel 1 Loop Function Selection:
DIP 1 & DIP 2: Special Sensitivity Increase For Both Trailer (Both Channels)
D3, D4, D5 and Switch 2 D1, D2: Special Functions (Mode1, 2, 3 Direction Detection. Mode 4, 5, 6 Normal mode)
D6 & D7 & D8 and Switch 2 D3 & D4 & D5: CH1 and CH2 Sensitivity Selection (Eight Levels)
D9 & D10 and Switch2 D6, D7: Frequency Selection (20 K to 100 KHz)
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 should be rectangle: length 1.0 to 2.0 meters, width 0.8 to 1.2 meters
Avoid right angles at corners as much as possible
Use ferromagnetic wires for induction coil, total length up to 500 meters
Keep product plug and socket in vertical direction during installation
System Integration
The JUTAI LD200/202 double-channel vehicle loop detector series, equipped with direction recognition function, is ideal for single-channel entry and exit scenarios when integrated with:
Car enters community/parking lot, pressing two loop coils simultaneously
LD-200/202 triggers UHF reader at entrance
UHF reader reads card ID and sends to controller via Wiegand output
Controller verifies ID validity and outputs relay signal to open gate barrier
Car enters, barrier arm lowers automatically
LD-100/102 provides safety and anti-smashing functionality
Exit Process
Car exits community/parking lot, passing inside UHF reader
LD-200/LD-202 triggers UHF reader to read card and send ID to controller
Controller verifies ID validity and outputs relay signal to open gate barrier
Car exits, barrier arm lowers automatically
LD-100/102 provides safety and anti-smashing functionality
Direction Recognition
The Direction Recognition Function ensures the double channels loop detector does not trigger the signal again when the car passes another UHF reader, recording only entry or exit records in the system.
Independent Operation Mode
The JUTAI LD-200/202 Double Channel Loop Detector can also function as two independent single-channel loop detectors, suitable for standard one-in and one-out parking lots.
This configuration provides cost-saving benefits by reducing hardware costs associated with using separate detectors for each function.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
120000-150000
Employee Number:
50~70
Ecer Certification：
Verified Supplier
Shenzhen Jutai COMM Co., Ltd. is a high-tech privately-owned enterprise that integrates production, research and development, and sales. Our company is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that int... Shenzhen Jutai COMM Co., Ltd. is a high-tech privately-owned enterprise that integrates production, research and development, and sales. Our company is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that int...
