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Black Box LES431A MODBUS RS232/422/485 Serial Server TCP ASCII View larger
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Black Box LES431A MODBUS RS232/422/485 SER SERV TCP ASCII

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Multi-protocol serial server supporting MODBUS over Ethernet
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Detailed Specifications

Black Box LES431A

MODBUS RS232/422/485 Serial Server – TCP ASCII – Industrial Serial-to-Ethernet Conversion

The Black Box LES431A is a versatile serial server designed to connect legacy RS232/422/485 serial devices to modern Ethernet TCP/IP networks. It supports MODBUS protocol in ASCII and RTU modes, enabling seamless integration of industrial automation devices into IP-based systems.

Features :

This serial server facilitates communication between serial devices such as PLCs, sensors, and controllers, and Ethernet-based SCADA or monitoring systems. By converting serial data streams into TCP/IP packets, the LES431A allows centralized management and remote access over standard networks. Supporting multiple serial standards (RS232, RS422, RS485), it provides compatibility with a wide range of serial equipment.

Advanced Options :

The device's support for MODBUS ASCII and RTU protocols ensures interoperability with many industrial control systems. The server's configuration is accessible via an intuitive web interface, allowing easy setup of communication parameters, IP settings, and protocol options. Its industrial-grade construction suits deployment in factory floors, process control, and automation environments.

Product Key Features

  • Supports RS232, RS422, and RS485 serial interfaces
  • MODBUS protocol compatible for industrial automation
  • Converts serial data to TCP/IP for Ethernet networks
  • Supports ASCII and RTU communication modes
  • Configurable via web interface for flexible deployment
  • Robust design for industrial serial device networking

Reliability & Performance :

Built for dependable industrial use, the LES431A features robust hardware designed to operate reliably in harsh environments. It maintains stable, low-latency data transmission and supports multiple simultaneous TCP connections for efficient network utilization. Its flexible serial interface options and MODBUS protocol support ensure broad compatibility and network integration.

Key Features :

  • Supports RS232, RS422, RS485 serial interfaces
  • MODBUS protocol compatible (ASCII and RTU modes)
  • Serial-to-Ethernet conversion with TCP/IP support
  • Web-configurable interface for easy setup
  • Industrial-grade design for reliable operation
  • Multiple simultaneous TCP client connections

Specifications :

SpecificationDetails
Model Number LES431A
Product Type MODBUS Serial Server
Serial Interfaces RS232, RS422, RS485
Protocol Support MODBUS ASCII, MODBUS RTU, TCP/IP
Ethernet Interface 10/100 Mbps Ethernet (RJ45)
Serial Data Rates Up to 115.2 Kbps
TCP Connections Multiple simultaneous clients
Configuration Web-based GUI
Power Input 12–48 V DC or PoE (model dependent)
Dimensions (HxWxD) Approx. 1.3 x 5.5 x 4.3 inches (33 x 140 x 110 mm)
Weight Approx. 1.2 lbs (544 grams)
Operating Temperature 0°C to 60°C

  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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