USB to RS-485 Converter Industrial Grade with Protection Circuit

Product Description:

The USB to RS-485 Converter with Protection Circuit is a reliable and industrial-grade communication module designed to convert USB signals into RS-485 differential signals for long-distance and noise-resistant data transmission.

Equipped with advanced protection circuits, this converter ensures safe and stable operation even in harsh industrial environments. It provides protection against ESD (Electrostatic Discharge), surge, overcurrent, and voltage spikes, making it ideal for sensitive equipment and continuous operation.

This plug-and-play device is widely used for industrial automation, PLC communication, Modbus systems, data acquisition, and serial communication applications. It is compatible with multiple operating systems and supports easy integration with PCs, laptops, and embedded systems.

Specifications:

• Product Type: USB to RS-485 Converter
• Interface (PC Side): USB 2.0 (Backward compatible with USB 1.1)
• Interface (Output): RS-485 (A+, B− differential lines)
• Chipset: Commonly CH340 / FT232 / MAX485 (varies by model)
• Communication Mode: Half-duplex RS-485
• Baud Rate: Up to 2.5 Mbps (chip dependent)
• Transmission Distance: Up to 1200 meters
• Power Supply: Powered directly via USB (no external power needed)
• Isolation: Non-isolated (typical)
• Protection Features:
  • ESD Protection
  • Surge Protection
  • Overcurrent Protection
  • Short Circuit Protection
• Operating Temperature: -20°C to +70°C
• Compatibility: Windows, Linux, macOS

Key Features

•  USB to RS-485 Conversion
  Easily connect RS-485 devices to a computer via USB port.
•  Built-in Protection Circuit
  Protects against ESD, voltage spikes, and electrical surges.
•  Long-Distance Communication
  Reliable transmission up to 1200 meters using RS-485 standard.
•  High-Speed Data Transfer
  Supports fast and stable communication for industrial applications.
•  Plug & Play Design
  Easy installation with driver support (CH340/FT232).
•  Wide System Compatibility
  Works with Windows, Linux, and macOS systems.
•  Industrial Applications
  Ideal for PLCs, Modbus RTU, SCADA systems, and automation setups.
•  Compact & Portable
  Lightweight and easy to carry for field use.

Package Includes:

• 1 × USB to RS-485 Converter with Protection Circuit