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(Replaced by Vscom USB-CAN Plus ISO)

Isolated Converter USB to CAN Bus

Vscom USB-CAN ISO, an isolated CAN Bus adapter for USB port
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Drivers & Documentation
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The VScom USB-CAN ISO is an adapter from USB to CAN, with galvanically isolation. It connects a PC via the USB interface to the CAN bus, while protecting the PC from high voltage problems on CAN bus signals. Since current computers all have several USB ports, the installation is simple. Even the previous standard of USB 1.1 with 12 Mbit/s max. speed is sufficient to connect the VScom USB-CAN to a computer.
CAN bus is widely used in industrial applications as well as in automotive monitoring and control. The VScom USB-CAN can be used to monitor the data traffic in such installations, as well as sending control information. The performance of VScom USB-CAN is among the best available in the market of CAN-on-USB products.
Since hardware-based automatic flow control is implemented at the interface between the CAN controller and the PC, the data reliability is very high.
• The ASCII conversion protocol is useful in developing and testing any configuration. Users just open the serial port via a Terminal Program, and have a simple way to talk to the CAN controller. The same way they can also transmit and receive CAN frames.
• Applications programmed by users load the library (DLL), which transparently handles the ASCII conversion. Programmers handle only the CAN frames and status, they do not have to care about the ASCII conversion in their applications. This API is supported in C/C++, C#, VB.NET, Delphi and LabVIEW.
• USB-CAN also supports CANFestival, an Open Source CANopen Framework. CANopen is a CAN-based higher layer protocol that is used in various application fields, such as medical equipment, offroad vehicles, maritime electronics, railway applications or building automation. CANopen unburdens the developer from dealing with CAN-specific details such as bit-timing and implementation-specific functions. It provides standardized communication objects for real-time data, configuration data as well as network management data.
• CANHacker, a tool for analyzing and transmitting frames on the CAN BUS, is included in the product package.
• A set of Mapper DLLs simulates CAN hardware from other manufacturers. Users configure their system for those products or the USB-CAN adapter as a replacement. So existing software will use the USB-CAN without replacing the application or modifying it.

Read the News Article…

Keywords: CAN Bus isolated automotive CAN 2.0A CAN 2.0B ISO 11898 CANopen CANFestival USB 2.0

USB adapter for PC

  • Phased Out, no longer available
  • Connects a PC to isolated CAN bus via USB
  • Isolation 2kV for surges
  • Supports CAN 2.0A and CAN 2.0B
  • CAN High Speed up to 1 MBit/s
  • Remote Frame support, Listen only mode
  • Supports Windows 2000 to Server 2008 R2, CE
  • Supports Linux kernel 2.4.32+
  • Supports C/C++, C#, VB.NET, Delphi and LabVIEW
  • CANopen supported by CANFestival
  • USB 2.0 Full Speed, powered by USB
  • Driver emulates serial port for easy access
  • Library (DLL) for standard access
  • ASCII conversion protocol via serial port
  • Supports Bosch Busmaster Debugging
  • Metal case

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CAN High Speed (20kbit/s up to 1Mbit/s) for transmit/receive
CAN_H, CAN_L, CAN_GND (isolated from PC port 2kV)
SJA1000 (Philips)
ISO1050 (Texas Instruments)
CAN Activity (Data)
CAN Error
DB9 male
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USB 2.0 Full Speed
USB bus powered, max. 300 mA
Emulated serial port, 3 Mbit/s
  Operating Systems
Windows 2000 up to Windows 8
Windows Server 2000 up to 2008 R2
Linux kernel 2.4.32+
Mac OS X support available
CAN Data, CAN Error
USB Type B socket
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Driver and Software
Unified VSCAN API for simple access on all Vscom CAN products.
Supports Windows, CE, Linux (x86, x86-64, ARM) targets.
Supports C/C++, C#, VB.NET, Delphi and LabVIEW.
Mapper DLLs can simulate software interfaces of CAN adapters from other manufacturers.
The library CANFestival implements the CANopen functions. Provided examples show Master/Slave communication
CAN Speed selectable up to 1 Mbit/s
ASCII coding mode
  CAN Modes
Standard Mode
Normal operation on CAN bus
Listen Mode
Passive receive of CAN Frames, neither ACK bits nor Error Frames are sent
Self Reception (Echo Mode)
For testing: Transmitted Frames are also received by the adapter
  Monitoring Tools
VScom USB-CAN ISO is supported by Bosch BUSMASTER
VScom USB-CAN ISO is supported by CANHacker
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Power and Environment
max. 1W
  Power supply
max. 200mA via USB port
50×58×23 mm³ (W×L×H)
  Operating Temp.
0°C - 60°C
  Storage Temp.
−20°C - 85°C
SECC sheet metal (1mm)
50 g
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Ordering Information
  Art. No.
  Product Name
  Packing list
High-Speed USB cable
English Documentation
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  * Specifications are subject to change without notice.
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