Versatile CAN interface Kvaser Leaf v3 OBD-II

Versatile CAN interface Kvaser Leaf v3 OBD-II with 16-pin OBD-II connector for accessing vehicle diagnostics and ECU data.

I. Specifications of CAN & CAN FD interface Kvaser Leaf v3 OBD-II

Versatile CAN interface Kvaser Leaf v3 OBD-II provides seamless access to vehicle diagnostics from your PC. It features a USB Type-A connector and a 16-pin OBD-II connector, offering direct access to data from the Engine Control Unit (ECU). The ECU stores diagnostic trouble codes (DTCs), enabling your software to retrieve engine performance data, fuel efficiency metrics, emissions information, and system error codes via the OBD-II interface.

Capable of processing up to 20,000 messages per second, each timestamped with 50-microsecond accuracy, the Leaf v3 OBD-II is the ideal Vehicle Communication Interface (VCI), suitable for development purposes, production, after-sales and repair. It includes standard galvanic isolation for reliable and safe operation.

MAJOR FEATURES

• USB 2.0 CAN interface.
• Powered through the USB Type A-connector.
• Compact 16-pin OBD-II connector with extra strong strain relief.
• Supports CAN FD, up to 8 Mbit/s.
• Quick and easy "Plug-and-Play" installation.
• Supports both 11-bit (CAN 2.0A) and 29-bit (CAN 2.0B active) identifiers.
• Supports silent mode for analysis tools – listen to the bus without interfering.
• 20 000 msg/s, each timestamped with a resolution of 50 μs.
• Fully compatible with applications written for other Kvaser CAN hardware with Kvaser CANlib.
• Support for SocketCAN.
• Supports simultaneous usage of multiple Kvaser interfaces.
• Compatible with J1939, CANopen, NMEA 2000® and DeviceNet. Higher layer protocol translation handled by the user’s application. For software support please see our Technical Associates products and our Software Download page (kvaser.com).

II. Additional software and documentation for Versatile CAN interface Kvaser Leaf v3 OBD-II

• The Kvaser CANlib SDK includes everything you need in order to develop software applications interacting with 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.
• The latest versions of documentation, software and drivers can be downloaded for free at: kvaser.com/download.

III. Kvaser Leaf v3 OBD-II (EAN: 73-30130-01430-5) hardware

HARDWARE INSTALLATION

• The Kvaser Leaf v3 OBDII 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 OBDII to communicate with the host computer, a compatible version of the Kvaser driver and firmware must be installed.
• The driver is installed by running the file: kvaser_drivers_setup.exe.
  . The latest version of the driver and firmware can be downloaded from: www.kvaser.com/download.
• The firmware is downloaded and installed directly on the Kvaser Leaf v3 OBDII and the driver is installed on the host computer. After the driver has been installed on the host computer, the firmware may then be downloaded and installed on the Kvaser Leaf v3 OBDII.

USB CONNECTION

• The Kvaser Leaf v3 OBDII has a standard USB type “A” connector.

 CAN CONNECTION

• The Kvaser Leaf v3 OBDII has one CAN channel in a 16-pin OBDII Type B connector.

POWER SUPPLY

• The Kvaser Leaf v3 OBDII is powered from the USB port.

LED INDICATORS

• The Kvaser Leaf v3 OBDII has two LEDs.

UPDATING THE FIRMWARE

• For the Kvaser Leaf v3 OBDII to communicate with the host computer, compatible versions of the Kvaser CANlib (including driver) and firmware must be installed.
• The latest versions of firmware and drivers can be downloaded for free at: kvaser.com/download.
• Connect the Kvaser Leaf v3 OBDII to your host computer with the USB cable and start the update.exe application. A window opens showing the Firmware Update Instructions; read and follow those carefully.
• To check the current firmware version, open “Kvaser Device Guide” which can be found in the Control Panel. Select “Kvaser Leaf v3 OBDII” 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.

Technical data of Versatile CAN interface Kvaser Leaf v3 OBD-II