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Rail-mount TTL To RS422 Galvanic isolated Converter, Anti-surge, Multi

Ürün Kodu : LTE-WS23652
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  • Rail-Mount TTL To RS422 Galvanic Isolated Converter, Anti-Surge, Multiple Isolation Protection
    Rail-Mount TTL To RS422 (B)

    Galvanic isolated Serial Port Converter

      
    Features At A Glance
    • Compatible with TTL/RS422 standard, converting the TTL signal into differential RS422 signal, support full duplex communication
    • Compatible with 3.3V ~ 5V TTL signal level, provides anti-reverse and over-voltage protection for power supply interface
    • Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply 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, anti-electrostatic
    • Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provide over-current/over-voltage protection, improve shock resistance
    • Onboard RS422 input and output terminal 120R resistor, enabled/disabled via jumper
    • Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective
    Specifications
    PRODUCT TYPE Galvanic isolated TTL to RS422 converter
    POWER SUPPLY INTERFACE Power supply 3.3V ~ 5V
    Protection over-voltage, reverse-proof
    DEVICE PORT TTL/RS422 standard compatible
    TTL Connector screw terminal
    Transmission distance about 10m
    Transmission mode point-to-point
    RS422 Connector screw terminal
    Protection surge-suppress and 15KV ESD protection
    Terminal resistor 120R, enabled/disabled via jumper (inside the case)
    Transmission Distance About 1.2km
    Transmission Mode full duplex mode, point-to-multipoint (up to 256 nodes, it is recommended to use repeaters for 16 nodes or more)
    APPEARANCE Case Rail-mount ABS case, suitable for 35mm DIN rail
    Dimensions 106.0 × 58.6 × 36.0mm

    Primary Function

    Converting The TTL Signal Into Balanced Differential RS422 Signal
    For Interface Converting, Expanding Nodes And Long-Distance Communication

    Rail-Mount Support

    Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely

    Multiple Protection, Safe And Stable

    Onboard power and signal isolation, provide stable isolated voltage, high reliability and strong anti-interference. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, anti-electrostatic. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage protection, improves shock resistance

    Interface Introduction
    TOP SIDE SCREW TERMINAL BOTTOM SIDE SCREW TERMINAL
    VCC Power Input
    DC 3.3V~5V power supply    		 R+ RS422 differential signal receive positive
    GND Ground R- RS422 differential signal receive negative
    TXD TTL transmit data pin T- RS422 differential signal transmit negative
    RS485 differential signal negative (B-)*
    RXD TTL receive data pin T+ RS422 differential signal transmit positive
    RS485 differential signal positive (A+)*
    GND TTL signal ground GND RS485/422 signal ground

    * Note: the TTL TO RS422 (B) is designed to be used with RS422 devices, however, it is also possible to be used with RS485 devices (yet only sending is available). It is recommended to use TTL TO RS485 (B) for RS485 device.

    Communication Connection Diagram

    TTL convert to RS422, point to point, full duplex communication, suitable for interface conversion


    TTL convert to RS422, point-to-multipoint, full duplex communication, suitable for expanding nodes


    Two groups TTL to RS422 conversion, point-to-point, full duplex communication, suitable for extending the communication distance of TTL


    Application Examples

    The TTL TO RS422 (B) can be widely used for point-to-point, point-to-multipoint, long distance cascaded communication network between two hosts, or between host and MCU/Peripheral. It also can be used in the application scenarios that require TTL to RS422 conversion such as Industrial Automation and IoT.

    Product Show
    Dimensions
    PACKAGE CONTENT

    Weight: 0.068 kg

    1. TTL TO RS422 (B) x1
    2. Screwdriver x1
    1
    2
     
     
     
     
    Resources & Services
    Wiki: www.waveshare.com/wiki/TTL_TO_RS422_(B)
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