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Kvaser Leaf v3 User's Guide
Copyright 2023-2023 Kvaser AB, Mölndal, Sweden
https://www.kvaser.com
th
Printed Friday 5
May, 2023
We believe that the information contained herein was accurate in all respects at the time of printing.
Kvaser AB cannot, however, assume any responsibility for errors or omissions in this text. Also note
that the information in this document is subject to change without notice and should not be construed
as a commitment by Kvaser AB.

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Summary of Contents for Kvaser Leaf v3

  • Page 1 We believe that the information contained herein was accurate in all respects at the time of printing. Kvaser AB cannot, however, assume any responsibility for errors or omissions in this text. Also note that the information in this document is subject to change without notice and should not be construed...
  • Page 2 Kvaser Leaf v3 User’s Guide 2 (20) (This page is intentionally left blank.) Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 3: Table Of Contents

    2 Introduction 2.1 Welcome to Kvaser Leaf v3 ..... . . 2.2 Major features ......
  • Page 4: About This Manual

    Kvaser Leaf v3 User’s Guide 4 (20) 1 About this manual This manual is intended for Kvaser Leaf v3 users. This document contains a description of the hardware’s properties and general instructions for connecting the device to a computer. Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 5: Introduction

    2.1 Welcome to Kvaser Leaf v3 Figure 1: Kvaser Leaf v3 Kvaser Leaf v3 is a reliable low cost product. With a timestamp precision of 50 microseconds it handles transmission and reception of standard and extended CAN messages on the bus. It is compatible with applications that use Kvaser’s CANlib.
  • Page 6 Kvaser Leaf v3 User’s Guide 6 (20) Device Product Number Firmware Driver (Windows/Linux) Kvaser Leaf v3 73-30130-01424-4 v3.29 v5.41 (kcany/mhydra) Table 1: Firmware and driver versions needed to support all functionality present in this guide. Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 7: Major Features

    Kvaser CAN and LIN hardware. The SDK contains full documentation and many sample programs, written in C, C++, C#, Delphi, Python and Visual Basic. Kvaser CAN and LIN hardware is built around the same common software API. Applications developed using one device type will run without modification on other device types.
  • Page 8: Kvaser Leaf V3 Hardware

    3.1 Hardware installation The Kvaser Leaf v3 may be inserted in any free USB socket on the host computer. You do not need to switch the power off before inserting or removing the device. For the Kvaser Leaf v3 to communicate with the host computer, a compatible version of the Kvaser driver and firmware must be installed.
  • Page 9: Can Bus Termination

    Kvaser Leaf v3 User’s Guide 9 (20) The CAN connector for the Kvaser Leaf v3 is the 9-pin D-SUB connector (see Figure 3 on Page 9) which has the pinout described in Table 2 on Page 9. Figure 3: 9-pin D-SUB CAN connector.
  • Page 10: Power Supply

    The Kvaser Leaf v3 is powered from the USB port. 3.6 LED Indicators The Kvaser Leaf v3 has two LEDs as shown in Figure 5. Their functions are shown in Table 3. Figure 5: LEDs on the Kvaser Leaf v3.
  • Page 11: Updating The Firmware

    To check the current firmware version, open “Kvaser Device Guide” which can be found in the Control Panel. Select “Kvaser Leaf v3” in the tree view to the left, and click on the channel. The firmware revision information now appears in the right half of the window.
  • Page 12 Kvaser Leaf v3 User’s Guide 12 (20) CAN Channels CAN Connector 9-pin D-SUB CAN Transceivers MCP2561FD (Compliant with ISO 11898-2) Galvanic isolation CAN Controller Built into the processor CAN Bit Rate 20 kbit/s to 1 Mbit/s CAN FD Bit Rate Up to 8 Mbit/s.
  • Page 13: Troubleshooting

    Use “Kvaser Device Guide” in the Control Panel to verify that the computer can communicate with the Kvaser Leaf v3. If the firmware version shown is all zeros, there are communication problems. If the LEDs are not flashing or do not light up at all, check the power supply.
  • Page 14: Safety Instructions

    5 Safety Instructions 5.1 Intended Use Kvaser interfaces are used to connect computer systems to CAN buses. The Kvaser Leaf v3 is intended for connection to a computer via the USB port. 5.2 Usage Warning WARNING FOR ALL USERS WARNING! - YOUR USE OF THIS DEVICE MUST BE DONE WITH CAUTION AND A FULL...
  • Page 15: Disposal And Recycling Information

    15 (20) 6 Disposal and Recycling Information When this product reaches its end of life, please dispose of it according to your local environmental laws and guidelines. For information about Kvaser’s recycling programs, visit: https://www.kvaser.com/en/kvaser/recycling-policy.html Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 16 Kvaser Leaf v3 User’s Guide 16 (20) Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 17: Legal Acknowledgements

    Kvaser Leaf v3 User’s Guide 17 (20) 7 Legal acknowledgements 7.1 EU Regulatory Compliance EU Declaration of Conformity (DoC) Kvaser AB M¨ o lndal Company Name: City: +46 31 886344 Aminogatan 25 Postal address: Telephone number: 431 53 sales@kvaser.com Postcode:...
  • Page 18: Fcc Regulatory Compliance

    Kvaser Leaf v3 User’s Guide 18 (20) 7.2 FCC Regulatory Compliance Federal Communications Commission (FCC) Compliance Information Statement IDENTIFICATION OBJECT: Product: Kvaser Leaf v3 Type: 73-30130-01424-4 APPLICABLE COMPLIANCE STATEMENTS: CFR Title 47 Part 15 15.107, 15.109 This device complies with part 15 of the FCC Rules.
  • Page 19: Patents, Copyrights And Trademarks

    NMEA 2000 is the registered trademark of the National Marine Electronics Association, Inc. For information about Kvaser related CAN patents, see www.kvaser.com/patent. The products described in this document are protected by U.S. patent 5,696,911. Kvaser AB, Mölndal, Sweden — www.kvaser.com...
  • Page 20: Document Revision History

    Kvaser Leaf v3 User’s Guide 20 (20) 8 Document Revision History Version history for document UG_98249_leaf_v3: Revision Date Changes 2023-02-06 Initial version Kvaser AB, Mölndal, Sweden — www.kvaser.com...

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