This product is discontinued and no longer available.

Suggested replacement: CANUSB COM FD - USB CAN FD/CAN Interface

USB CAN Interface - CAN USB COM: No Isolation

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Manufacturer: Grid Connect Inc.

Isolation Option

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Product Information

Product Description

Made in the USA

The CAN-USB-COM converter provides bi-directional communication between a USB “COM Port” Serial interface and a CAN 2.0A/B (ISO 11898) Network. 

This USB CAN interface offers the following features:

  • Backwards Compatibility with the previous version (CAN-USB-LIGHT)
  • 25 times faster with new ARM Cortex-M3 32-bit microcontroller
  • Easy setup using “Configuration Push Button”
  • Virtual Serial Baud Rates up to 1 Mbps
  • CAN Messages can now be formatted in either ASCII or binary
  • Help menu is integrated for set-up/configuration commands.
  • Automatic set-up of “bit-time” and “slew rate” (may be adjusted through configuration commands).

With a wide variety of settings and configuration parameters this USB CAN Interface creates a powerful solution for interfacing between a Virtual USB COM Port and Controller Area Network (CAN). When plugged into a USB port, the CAN-USB-COM will enumerate as a serial COM Port. This means you can use it with any COM Port based software, including HyperTerminal or TeraTerm. Drivers are standard in Windows XP and later, and are available for MAC and Linux.

NOTE: The CAN USB COM is NOT compatible with Peak System software.

Order Summary


Isolation Option

Manufacturer Part # (MPN)



  • Backwards Compatibility with the previous version (CAN-USB-LIGHT)
  • Simple configuration using HyperTerminal or TeraTerm
  • 1000V isolation (Optional)
  • 10 message transmit buffer, 2 message receive buffer
  • LEDs for Serial TX and RX, CAN TX and RX
  • Test Features: can be used to generate CAN Square wave to measure propagation delay and evaluate bus termination.
  • Powered from USB Port
  • Uses FTDI USB to Serial Chip

CANbus Features:

  • Compatible with CAN 2.0A (11-bit ID standard) and/or 2.0B (29-bit ID extended)
  • Baud rates up to 1Mbaud, CIA DS-102 pinout (H=7, L=2, GND=3)

Documents and Drivers


CAN USB COM User Manual


CAN USB COM Windows Drivers


Baud Rate

Serial Baud Rate USB Virtual COM Port: 100 to 1000000


  • CAN Network: Male DB9
  • USB: Standard USB-A Male Connector

Indicators LED

  • RS232: TX & RX activity
  • CANbus: TX & RX activity
  • Power: Power On


5000 VRMS for ISO1050DW and 2500 VRMS for ISO1050DUB and ISO1050LDW (Optional)




CAN Network Port: C.I.A. DS-102 (CAN_H = 7, CAN_L = 2, CAN_GND = 3)

Power Supply

Powered from USB Port (No Power Supply Necessary)

Receive Message Buffer

  • Virtual COM RS232 Serial Port: 2 Messages
  • CAN Network: 10 Messages

Slew Rate Adjust

  • Range: MIN >= 2.5 V/µs, MAX <= 20 V/µs
  • Method: Adjustable via potentiometer and screwdriver

Temperature Range

-40°C to +85°C (-40°F to +185°F)


CAN Network Port: ISO1050 CAN Transceiver up to 1 mbit/s

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