CARLO GAVAZZI LDP2PA2DU24 Loop Detector with Dual SPDT Relays
Enhance your vehicle detection and access control systems with the CARLO GAVAZZI LDP2PA2DU24 loop detector. Designed for parking, drive-through, and vehicle access applications, this robust device offers automatic tuning, high sensitivity, and versatile relay outputs.
Product Features
Loop input inductance range: 20 μH to 1000 μH
Adjustable sensitivity in 10 steps from 0.01% to 1.00%
Automatic loop frequency tuning with 4 adjustable channels to prevent crosstalk
Automatic Sensitivity Boost (ASB) for reliable high-bed vehicle detection
Selectable fail-safe and fail-secure modes
Two SPDT relay outputs, configurable as pulse or presence switching
Multicolor LED indicators for power, fault, and loop status diagnostics
Loop fault detection: short circuit, open circuit, inductance out of range, crosstalk
Directional logic for dual loop models to determine vehicle direction
Wide power supply range: 24-240 VAC/VDC, 45-65 Hz
Technical Specifications
Parameter
Details
Power Supply
24 ... 240 VAC/VDC, 45 ... 65 Hz
Power Consumption
24 VAC/VDC < 2 W / 2.5 VA; 115 VAC/VDC < 2 W / 3 VA; 240 VAC/VDC < 2 W / 4 VA
Outputs
2 x SPDT relays, rated at 250 VAC/VDC, 5A (AC1), 1A (DC1)
Response Time
130 ms
Loop Input Inductance
20 μH to 1000 μH
Sensitivity Adjustment
0.01% to 1.00% in 10 steps
Frequency Range
10 to 130 kHz with 4 adjustable channels
Fault Detection
Loop short circuit, open circuit, inductance out of range, crosstalk
Indicators and Diagnostics
Green LED: Power OK
Blue LED: Automatic Sensitivity Boost active
Yellow LED: Low signal indication
Red LED: Channel crosstalk or fault
White LED: Frequency channel indication
Multicolor LEDs for individual loop status and fault diagnostics
Applications
Parking and vehicle access control for barriers, gates, and bollards
Activation of street bollards and entrance/exit points
Vehicle detection at traffic lights, toll booths, and gantries
Lighting activation in parking ramps and driveways
Vehicle direction detection with dual loop models
Part Number: LDP2PA2DU24
Manufacturer: CARLO GAVAZZI
Country of Origin: LT
UOM: EA
ECCN:
Package Type:
Datasheet: Download Datasheet
Note: Datasheet was not processed, please search the internet for the part number for more details.
{"id":10026825679165,"title":"LDP2PA2DU24","handle":"ldp2pa2du24","description":"\u003ch3\u003eCARLO GAVAZZI LDP2PA2DU24 Loop Detector with Dual SPDT Relays\u003c\/h3\u003e\n\u003cp\u003eEnhance your vehicle detection and access control systems with the CARLO GAVAZZI LDP2PA2DU24 loop detector. Designed for parking, drive-through, and vehicle access applications, this robust device offers automatic tuning, high sensitivity, and versatile relay outputs.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoop input inductance range: 20 μH to 1000 μH\u003c\/li\u003e\n\u003cli\u003eAdjustable sensitivity in 10 steps from 0.01% to 1.00%\u003c\/li\u003e\n\u003cli\u003eAutomatic loop frequency tuning with 4 adjustable channels to prevent crosstalk\u003c\/li\u003e\n\u003cli\u003eAutomatic Sensitivity Boost (ASB) for reliable high-bed vehicle detection\u003c\/li\u003e\n\u003cli\u003eSelectable fail-safe and fail-secure modes\u003c\/li\u003e\n\u003cli\u003eTwo SPDT relay outputs, configurable as pulse or presence switching\u003c\/li\u003e\n\u003cli\u003eMulticolor LED indicators for power, fault, and loop status diagnostics\u003c\/li\u003e\n\u003cli\u003eLoop fault detection: short circuit, open circuit, inductance out of range, crosstalk\u003c\/li\u003e\n\u003cli\u003eDirectional logic for dual loop models to determine vehicle direction\u003c\/li\u003e\n\u003cli\u003eWide power supply range: 24-240 VAC\/VDC, 45-65 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 ... 240 VAC\/VDC, 45 ... 65 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VAC\/VDC \u0026lt; 2 W \/ 2.5 VA; 115 VAC\/VDC \u0026lt; 2 W \/ 3 VA; 240 VAC\/VDC \u0026lt; 2 W \/ 4 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 x SPDT relays, rated at 250 VAC\/VDC, 5A (AC1), 1A (DC1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e130 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Input Inductance\u003c\/td\u003e\n\u003ctd\u003e20 μH to 1000 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003e0.01% to 1.00% in 10 steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e10 to 130 kHz with 4 adjustable channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eLoop short circuit, open circuit, inductance out of range, crosstalk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndicators and Diagnostics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreen LED: Power OK\u003c\/li\u003e\n\u003cli\u003eBlue LED: Automatic Sensitivity Boost active\u003c\/li\u003e\n\u003cli\u003eYellow LED: Low signal indication\u003c\/li\u003e\n\u003cli\u003eRed LED: Channel crosstalk or fault\u003c\/li\u003e\n\u003cli\u003eWhite LED: Frequency channel indication\u003c\/li\u003e\n\u003cli\u003eMulticolor LEDs for individual loop status and fault diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eParking and vehicle access control for barriers, gates, and bollards\u003c\/li\u003e\n\u003cli\u003eActivation of street bollards and entrance\/exit points\u003c\/li\u003e\n\u003cli\u003eVehicle detection at traffic lights, toll booths, and gantries\u003c\/li\u003e\n\u003cli\u003eLighting activation in parking ramps and driveways\u003c\/li\u003e\n\u003cli\u003eVehicle direction detection with dual loop models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart Number: LDP2PA2DU24\u003cbr\u003e\nManufacturer: CARLO GAVAZZI\u003cbr\u003e\nCountry of Origin: LT\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: \u003cbr\u003e\nPackage Type: \u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CG\/LDP2PA2DU24.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T16:17:03+05:30","created_at":"2025-08-15T16:17:04+05:30","vendor":"Waldom Electonics","type":"","tags":["CARLO","IMPORT_CSV","IMPORT_PT2","LDP2","WLDM"],"price":2137766,"price_min":2137766,"price_max":2137766,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50623202754877,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"LDP2PA2DU24","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"LDP2PA2DU24","public_title":null,"options":["Default Title"],"price":2137766,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"LDP2PA2DU24","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/51150354.png?v=1755254824"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51150354.png?v=1755254824","options":["Title"],"media":[{"alt":null,"id":45852712468797,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51150354.png?v=1755254824"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51150354.png?v=1755254824","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI LDP2PA2DU24 Loop Detector with Dual SPDT Relays\u003c\/h3\u003e\n\u003cp\u003eEnhance your vehicle detection and access control systems with the CARLO GAVAZZI LDP2PA2DU24 loop detector. Designed for parking, drive-through, and vehicle access applications, this robust device offers automatic tuning, high sensitivity, and versatile relay outputs.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoop input inductance range: 20 μH to 1000 μH\u003c\/li\u003e\n\u003cli\u003eAdjustable sensitivity in 10 steps from 0.01% to 1.00%\u003c\/li\u003e\n\u003cli\u003eAutomatic loop frequency tuning with 4 adjustable channels to prevent crosstalk\u003c\/li\u003e\n\u003cli\u003eAutomatic Sensitivity Boost (ASB) for reliable high-bed vehicle detection\u003c\/li\u003e\n\u003cli\u003eSelectable fail-safe and fail-secure modes\u003c\/li\u003e\n\u003cli\u003eTwo SPDT relay outputs, configurable as pulse or presence switching\u003c\/li\u003e\n\u003cli\u003eMulticolor LED indicators for power, fault, and loop status diagnostics\u003c\/li\u003e\n\u003cli\u003eLoop fault detection: short circuit, open circuit, inductance out of range, crosstalk\u003c\/li\u003e\n\u003cli\u003eDirectional logic for dual loop models to determine vehicle direction\u003c\/li\u003e\n\u003cli\u003eWide power supply range: 24-240 VAC\/VDC, 45-65 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 ... 240 VAC\/VDC, 45 ... 65 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VAC\/VDC \u0026lt; 2 W \/ 2.5 VA; 115 VAC\/VDC \u0026lt; 2 W \/ 3 VA; 240 VAC\/VDC \u0026lt; 2 W \/ 4 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 x SPDT relays, rated at 250 VAC\/VDC, 5A (AC1), 1A (DC1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e130 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Input Inductance\u003c\/td\u003e\n\u003ctd\u003e20 μH to 1000 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003e0.01% to 1.00% in 10 steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e10 to 130 kHz with 4 adjustable channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eLoop short circuit, open circuit, inductance out of range, crosstalk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndicators and Diagnostics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreen LED: Power OK\u003c\/li\u003e\n\u003cli\u003eBlue LED: Automatic Sensitivity Boost active\u003c\/li\u003e\n\u003cli\u003eYellow LED: Low signal indication\u003c\/li\u003e\n\u003cli\u003eRed LED: Channel crosstalk or fault\u003c\/li\u003e\n\u003cli\u003eWhite LED: Frequency channel indication\u003c\/li\u003e\n\u003cli\u003eMulticolor LEDs for individual loop status and fault diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eParking and vehicle access control for barriers, gates, and bollards\u003c\/li\u003e\n\u003cli\u003eActivation of street bollards and entrance\/exit points\u003c\/li\u003e\n\u003cli\u003eVehicle detection at traffic lights, toll booths, and gantries\u003c\/li\u003e\n\u003cli\u003eLighting activation in parking ramps and driveways\u003c\/li\u003e\n\u003cli\u003eVehicle direction detection with dual loop models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart Number: LDP2PA2DU24\u003cbr\u003e\nManufacturer: CARLO GAVAZZI\u003cbr\u003e\nCountry of Origin: LT\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: \u003cbr\u003e\nPackage Type: \u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CG\/LDP2PA2DU24.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}