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Rail-Μount TTL to RS422 Galvanic Isolated Converter

31-00023652
TTL TO RS422 (B)
ΚατασκευαστήςWaveshare Part NumberTTL TO RS422 (B)
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€1240
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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

  • 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

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

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

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 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: 106x58.6x36mm

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

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

Εγγύηση
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Κατασκευαστής
Waveshare
Μικτό Βάρος
0.1kg
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