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Industrial USB to RS485/422 Isolated Converter with Multiple Protections

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    Description

    Want to use Raspberry Pi 4 for industrial application that requires RS485/422 communication? This is a great solution for you. 

     

    USB to RS485/422 with Industrial Grade Isolated Converter

    Uses original FT232RNL and SP485EEN chip, with built-in galvanic isolation, lightning-proof and anti-electrostatic protection, suitable for your industrial projects.

     

     

    Galvanic Isolated Design

     

    The circuit provides isolated power and signal of the device to improve the stability of the system and reduce power consumption.  

     

     

    Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provide over-current/over-voltage proof, and improve shock resistance.

     

     

     

    The USB signal can be converted into a balanced differential RS485/422 signal. The transmission distance is about 1.2km for RS485/422 and about 5 Meters for USB.

     

     

    INTERFACEPETATBRARB
    RS422Signal GroundSend Differential Signal Positive T+Send Differential Signal Negative T-Receive Differential Signal Positive R+Receive Differential Signal negative R-
    RS485Signal GroundDifferential signal Positive A+Differential Signal Negative B-NCNC

     

    Supports both wall mount and Din-Rail mount:

     

     

    Features
    • Onboard Original FT232RL and SP485EEN chip. Fast communication, stable and reliable, better compatibility
    • Onboard unibody power supply isolation, provides stable isolated voltage and NO extra power supply is needed for the isolated terminal
    • Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
    • Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
    • Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provide over-current/over-voltage proof, improve shock resistance
    • Onboard 15KV ESD isolation protection and 600W lightning-proof & anti-surge protection
    • Onboard 120R terminal resistor on the RS485/RS422 ports enable by default, configurable by jumper
    • 3 LEDs for indicating the power and transceiver status
    • Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective

     

    Specification:

    BAUD RATEFT232RNL300bps ~ 3Mbps
    HOST PORTUSB
    DEVICE PORTRS485/422
    USBOperating voltage5V
    ConnectorUSB-B
    Protection200mA self-recovery fuse, ESD protection
    Transmission distanceAbout 5m
    RS485/422ConnectorScrew terminal
    PinsA+, B-, PE
    Direction controlHardware automatic control
    Protection600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor)
    Transmission distanceAbout 1.2km(low rate)
    Transmission modePoint-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
    LED INDICATORSPWRRed power indicator, light up when there is USB connection and voltage is detected
    TXDGreen TX indicator, light up when the USB port sends data
    RXDBlue RX indicator, light up when the device ports send data back
    OPERATING ENVIRONMENTTemperature-15℃ ~ 70℃
    Humidity5%RH ~ 95%RH
    OPERATING SYSTEMMac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XP
    SIZEEnclosureRail-mount ABS case, suitable for 35mm DIN rail
    Dimensions81.9 × 54.0 × 32.0mm

     

    Packing List
    • 1 x USB TO RS485/422 (in Enclosure)
    • 1 x USB-A male to USB-B male cable ~1.2m
    • 1 x Screwdriver, for terminal

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    Tags: industrial, RS485, RS422, raspberry pi, Industrial Accessories