JMT HLK-LD2450 24GHz Trajectory Sensor Module User Manual

1. ഉൽപ്പന്നം കഴിഞ്ഞുview

The JMT HLK-LD2450 is a 24GHz radar module designed for real-time tracking of moving targets within a detection area. It provides distance, angle, and speed information of these targets via a serial port. This module is primarily intended for indoor applications such as smart homes, offices, and hotels, enabling precise positioning and tracking of people.

ചിത്രം 1: കഴിഞ്ഞുview of the JMT HLK-LD2450 radar module, illustrating its compact design for human movement trajectory tracking.

2 പ്രധാന സവിശേഷതകൾ

• Trajectory Tracking: Real-time tracking of moving targets, outputting distance, angle, and speed data.
• Application Scenes: Optimized for indoor environments including homes, offices, and hotels for human presence and movement detection.
• കണ്ടെത്തൽ ആംഗിൾ: Azimuth ± 60° / Tilt ± 35°.
• ആംഗിൾ കൃത്യത: 2° മുതൽ 20° വരെ.
• കണ്ടെത്തൽ ദൂരം: Maximum sensing distance of 8 meters.
• ദൂരം അളക്കൽ കൃത്യത: 0.15 മീറ്റർ.
• ഡാറ്റ ഔട്ട്പുട്ട്: Serial ASCII format.
• മോഡുലേഷൻ മോഡ്: FMCW (Frequency Modulated Continuous Wave).
• ആവൃത്തി: 24G-24.25GHz (ISM band).
• Sweep Bandwidth: 250MHz (CE/FCC compliant).
• സീരിയൽ പോർട്ട് ബൗഡ് നിരക്ക്: 256000, with 1 stop bit and no parity bit.
• പാക്കേജ്: Default 1.5mm x 4Pin Female connector.

3 സാങ്കേതിക സവിശേഷതകൾ

4. സജ്ജീകരണ നിർദ്ദേശങ്ങൾ

This section details the physical connection and initial configuration of the HLK-LD2450 module.

4.1. മൊഡ്യൂൾ ഇൻ്റർഫേസ്

The module features a 4-pin interface for power and serial communication. Refer to the diagram below for pin assignments.

ചിത്രം 2: HLK-LD2450 module dimensions and interface pinout. The module measures 15mm x 40mm.

• 1: VCC - 5V Power Input
• 2: ജിഎൻഡി - Power Ground
• 3: TX - Serial Transmission (Output from module)
• 4: RX - Serial Port Reception (Input to module)

ശരിയായ പോളാരിറ്റിയും വോള്യവും ഉറപ്പാക്കുക.tage when connecting the power supply. Incorrect connections may damage the module.

4.2. ഫിസിക്കൽ ഇൻസ്റ്റലേഷൻ

The module is suitable for wall-mounted installation in indoor environments. Consider the detection angle specifications (Azimuth ± 60° / Tilt ± 35°) to optimize coverage for the desired tracking area.

ചിത്രം 3: The HLK-LD2450 module showing the pin headers for connection, designed for motion positioning and tracking.

5. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

The HLK-LD2450 module communicates via a serial port, outputting target information in ASCII format.

5.1. Serial Communication Parameters

• ബോഡ് നിരക്ക്: 256000
• ബിറ്റുകൾ നിർത്തുക: 1
• പാരിറ്റി ബിറ്റ്: ഒന്നുമില്ല

5.2. Using the Configuration Tool

To interact with the module and retrieve data, use the dedicated Configuration Tool (software provided separately by the manufacturer, if applicable). Follow these steps:

1. Connect the HLK-LD2450 module to your computer via a serial interface (e.g., USB-to-serial converter).
2. Open the Configuration Tool software.
3. In the Configuration Tool, select the correct serial port number (COM port) corresponding to your connected module.
4. Ensure the serial port information (baud rate, stop bits, parity) matches the module's specifications (256000, 1 stop bit, no parity).
5. Click the "Detect Device" button within the Configuration Tool.
6. Once the module is detected, click "Start" to begin receiving moving target information from the detection area.

പ്രധാന കുറിപ്പ്: The serial port tool and the host tool cannot be used simultaneously. Ensure only one application is accessing the serial port at any given time.

6. പരിപാലനം

The JMT HLK-LD2450 module is designed for reliable operation with minimal maintenance. Adhere to the following guidelines:

• പരിസ്ഥിതി വ്യവസ്ഥകൾ: Operate the module within the specified ambient temperature range of -40°C to +85°C. Avoid exposure to extreme humidity, dust, or corrosive environments.
• വൃത്തിയാക്കൽ: If necessary, gently clean the module's surface with a soft, dry cloth. Do not use liquid cleaners or solvents.
• ശാരീരിക കൈകാര്യം ചെയ്യൽ: Handle the module with care to prevent physical damage to the PCB or components. Avoid bending or applying excessive force.
• വൈദ്യുതി വിതരണം: Ensure a stable 5V power supply is used. Fluctuations or incorrect voltage can affect performance or damage the module.

7. പ്രശ്‌നപരിഹാരം

This section provides solutions to common issues you might encounter with the HLK-LD2450 module.

7.1. No Data Output / Connection Issues

• പവർ പരിശോധിക്കുക: Verify that the module is receiving a stable 5V power supply and that the VCC and GND connections are correct.
• Serial Port Selection: Ensure the correct COM port is selected in your Configuration Tool or serial terminal software.
• Serial Port Parameters: Confirm that the baud rate is set to 256000, with 1 stop bit and no parity bit.
• കേബിൾ കണക്ഷനുകൾ: Inspect all serial communication cables for proper connection and integrity. Ensure TX and RX lines are correctly cross-connected if using a direct serial connection (TX of module to RX of host, RX of module to TX of host).
• സോഫ്റ്റ്‌വെയർ വൈരുദ്ധ്യം: Remember that the serial port tool and the host tool cannot be used at the same time. Close any other applications that might be accessing the serial port.
• ഡ്രൈവർ പ്രശ്നങ്ങൾ: Ensure that the drivers for your USB-to-serial converter (if used) are correctly installed and up-to-date.

7.2. Inaccurate or Intermittent Tracking

• തടസ്സങ്ങൾ: Ensure there are no significant physical obstructions (e.g., thick walls, large metal objects) between the module and the target area that could interfere with radar signals. While the module can detect through thin materials, dense objects will block signals.
• മൗണ്ടിംഗ് സ്ഥാനം: Adjust the module's mounting position and angle to ensure optimal coverage of the desired detection area, considering the specified Azimuth and Tilt angles.
• പരിസ്ഥിതി ഇടപെടൽ: While 24GHz is robust, strong electromagnetic interference in the immediate vicinity could potentially affect performance.

8. വാറൻ്റി വിവരങ്ങൾ

Specific warranty details for the JMT HLK-LD2450 module are not provided in the available product information. Please refer to the seller or manufacturer's official webവാറന്റി നിബന്ധനകൾക്കും വ്യവസ്ഥകൾക്കും സൈറ്റ്.

9. ഉപഭോക്തൃ പിന്തുണ

For technical assistance, further documentation, or inquiries regarding the JMT HLK-LD2450 module, please contact your point of purchase or visit the official JMT website. Support contact information is not available in the provided product data.