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LS74A
User Manual
V1.0.0
2024.10
Leishen Intelligent System Co., Ltd.
http://www.lslidar.com/

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Summary of Contents for LSLIDAR LS74A

  • Page 1 LS74A User Manual V1.0.0 2024.10 Leishen Intelligent System Co., Ltd. http://www.lslidar.com/...
  • Page 2: Table Of Contents

    Table of Contents 1. Foreword ........................1 1.1. Overview ......................1 1.2. Mechanism ..................... 1 1.3. Specifications ....................2 1.4. Dimensions ..................... 2 2. Electrical Interface ....................4 3. Communication Protocol ..................5 4. Data Display Software .................... 7 5. Maintenance ......................8...
  • Page 3: Safety Instruction

    Safety Instruction Before using the product, please read and follow the instructions of this manual carefully, and refer to relevant national and international safety regulations. ∆Attention Please do not disassemble or modify the sensor privately. If you need special instructions, please consult our technical support staff. ∆Laser Safety Level The laser safety of this product meets the following standards: ●...
  • Page 4 meet the power supply requirements, or supply power in a humid environment may cause abnormal operation, fire, personal injury, product damage, or other property loss. Light Interference Some precise optical equipment may be interfered with by the laser emitted by this product, please pay attention when using it.
  • Page 5: Foreword

    1.1. Overview The LS74A utilizes the TOF (Time of Flight) method and it can perform distance ranging at a fixed angle. It is designed to achieve a ranging accuracy of ± 1 m and a maximum ranging distance up to 1200 m. With such high performance, the...
  • Page 6: Specifications

    Weight About 20 g Interface Serial port-TTL Operating Temperature -20 ~65 Operating Properties Storage Temperature -20 ~85 1.4. Dimensions Installation Requirements: It is required to install the LS74A through the holes on both sides. Figure 1.2 LS74A Dimensions (unit: mm)
  • Page 7 LS74A Figure 1.3 LS74A External View...
  • Page 8: Electrical Interface

    LS74A 2. Electrical Interface The model of the connector on the LS74A is XH-4P. Figure 2.1 LS74A Connector Interface Table 2.1 Definition of LS74A’s Connector Interface CN 1 Wiring Definitions Color CN 2 Note CONTROLS Brown Tinned Blue Tinned Green...
  • Page 9: Communication Protocol

    LS74A 3. Communication Protocol The LS74A adopts serial port to TTL communication, baud rate is 115200. You can connect this product to an external system and follow the system's communication protocols to obtain real-time distance ranging data, device information, status, and to setup work modes.
  • Page 10 LS74A Reserved Reserved Starting from the 48 byte, the combination of 1 and 2 bytes indicates the year, the 3 byte indicates the month, the 4 byte indicates the Version No. day, and the 5 and 6 bytes indicates the version number, e.g., 0x07 0xE8 0x0A 0x0F 0x11 0x01 means October 15, 2024, v1.1.1...
  • Page 11: Data Display Software

    LS74A 4. Data Display Software Figure 4.1 Data Display Software Interface The software mainly consist of four parts: 1) Distance ranging value display area: it displays the distance ranging value of the lidar in real time; 2) Distance ranging value curve display area: it displays the distance ranging value in the form of changing curve which is more intuitive;...
  • Page 12: Maintenance

    LS74A 5. Maintenance Shipping Requirements This product is packed with the packaging materials specially customized by our company, which can resist certain vibrations and impacts. For long-distance transportation, special packaging materials must be used to avoid irreversible damage during transportation.
  • Page 13: Revision History

    Revision History Ver. Revision Data Revision Content Issued/Revised By V1.0.0 2024-10-25 Initial Version Leishen *This product information is subject to change without notice. Copyright ©2024 Leishen Intelligent System Co., Ltd. All rights reserved.
  • Page 14 Make Safer Driving Smarter Machine and Better Life ! Official Website: https:/ /www.lslidar.com Sales: sales@lslidar.com After-Sales: support@lslidar.com...

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