Industrial Isolated USB To 4-Ch RS485 Converter (B), CH344L Chip, Multi Protection Circuits, Multi Systems Support
Make: WaveShare Electronics Co.
SKU: 26545
Availability: IN STOCK

₹1,966.00 inc. GST
Ex GST: ₹1,666.10

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  • B2B GST Credit Available.
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  • Industrial Isolated USB To 4-Ch RS485 Converter (B), CH344L Chip, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Support

    USB TO 4CH RS485 (B) is an industrial USB to RS485 converter, adopting original CH344L, with protection circuits such as built-in power isolation, ADI magnetical isolation, and TVS, aluminum alloy case design. USB TO 4CH RS485 (B) is easy to operate, automatic transmit, featuring fast communication, stability, reliability, and safety, suitable for industrial devices and applications with high requirements.



    • Adopts original CH344L chip, high-speed communication, stable and reliable, better compatibility.
    • Onboard unibody power isolation, provides stable isolation voltage, no additional power supply is required at the isolated side.
    • Onboard unibody digital isolation, support signal isolation, with better reliability, stronger anti-interference ability, and lower power consumption.
    • Onboard TVS (Transient Voltage Suppressor) to effectively suppress surge voltage and transient spike voltage in circuits, lightning-proof protection, and anti-static protection.
    • Onboard self-resetting fuses and protection diodes ensure stable current and voltage output, prevent overcurrent and overvoltage, and improve shock resistance.
    • Built-in RS485 output terminal 120R, can be enabled by dip switches, and flexible switching.
    • 10x external LEDs for power, device configuration status, and signaling status.
    • Industrial grade metal case, support wall-mount and rail-mount installation, rigid and nice-looking, easy to install.



    • Product Types : Industrial grade isolated USB to RS485 converter
    • Host Interface : USB
    • Device Interface : RS485
    • Communication Range : 1200bps ~ 460800bps
    • OS : Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7


    • Operation Level : 5V
    • Interface : USB-B Connector
    • Interface Protection : 500mA self-recovery fuse, isolated output


    • Interface : Screw Terminal
    • Direction Control : Hardware automatic control
    • Interface Protection : Provide 600W lightningproof, anti-surge and 15KV ESD protection (onboard 120R balancing resistor)
    • Transmission Mode : Peer-to-Multiple (up to 32 nodes, repeaters recommended for more than 16 nodes)


    • PWR : Power indicator, connect to USB, Red LED lights on when detecting the voltage
    • ACT : Green status indicator, lights on when detecting the driver
    • RXD : RX indicator, lights on when receiving data from the corresponding port
    • TXD : TX indicator, lights on when sending data from the corresponding port

    Usage Environment

    • Temperature Range : -40℃ ~ 85℃
    • Humidity Range : 5% ~ 95%RH




    Package Includes



    Transmission Distance Up To 1.2km

    Interface Introduction

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