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    USB/ RS232 to CANBUS Converter

    5 out of 5 based on 2 reviews | Write a review
    USB/ RS232 to CANBUS converter with cheap price, which supports bi-directional data transfer between CAN-bus and USB/RS-232, features operating voltage 12-36V DC/USB power supply, air 8kV, contact 6kV electrostatic protection. It is widely used in industrial control and data communication system.
    SKU: ATO-UT-8251A
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    USB/ RS232 to CANBUS adapter with ≤150mA @12V, -40~85℃ storage temperature.


    ● Support USB 2.0 protocol.
    ● 1 CAN-bus communication interface, support 5Kbps-1Mbps baud rate.
    ● 1 USB 2.0 interface (12Mbit).
    ● 1 RS-232 communication interface, support 300bps-250Kbps baud rate.


    Model UT-8251A
    Operating voltage 12-36V DC/USB power supply
    Operating current ≤150mA@12V
    Operating temperature -40~85℃
    Storage temperature -40~85℃
    Relative Humidity 5~95% (non-condensation)
    Storage humidity 5~95% (non-condensation)
    Electrostatic protection Air 8kV, contact 6kV
    Surge protection/ power port 1.2/50us common mode 2kV, differential mode 1kV
    CAN port 600W
    RS-232 port 600W
    Certificates RoHS, CE, FC
    Warranty 12 months

    Dimension (mm/ inch)

    Dimension of USB RS232 to CAN BUS converter

    Tips: The Features of CANBus Control.

    CANBus uses a bit-oriented damage arbitration method to solve the conflict problem caused by media multiple access. The arbitration process is: when the bus is idle, the line is shown as a "recessive level", and any station can send messages at this time. The frame start field sent by the sending station generates a "dominant level", which marks the start of transmission. All stations are synchronized with the frame start leading edge of the station that first started sending. If there are multiple stations sending at the same time, then compare bit by bit in the sending arbitration field. The arbitration field contains the identifier ID (standard is llbit), which corresponds to its priority. When each station sends the arbitration field, it compares the sending bit with the line level, and sends if they are the same; if they are different, they learn that the priority is low and exit the arbitration without sending. The system response time has nothing to do with the number of stations, only depends on the priority of the arrangement. It can be seen that this media access control method does not cause data and channel bandwidth damage like Ethetnet's CSMA/CDCA protocol.

    Existing reviews of USB/ RS232 to CANBUS Converter
    Versatile Connectivity and Wide Compatibility
    First and foremost, its versatility stands out. This converter bridges the gap between USB/RS232 interfaces and CANBUS systems, making it a valuable tool for various applications, from automotive diagnostics to industrial automation. Plus, it supports multiple CANBUS protocols, ensuring broad compatibility with a wide range of devices and systems.
    From: Eulene | Date: 06/10/2023
    Was this review helpful? Yes No (0/0)
    Just what I need!
    I couldn't ask for more, this canbus converter works great!  A handy canbus converter to have in your toolbox. This canbus converter is well built and super easy to use. Just what I needed to communicate with some old tech.
    From: Ham | Date: 04/05/2022
    Was this review helpful? Yes No (0/0)
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