USB to RS485 Converter Adapter (CH340)

The USB to RS485 Converter Adapter allows easy and reliable communication between your computer and RS485 devices using a standard USB port. Once connected, the converter appears as a Virtual COM Port, enabling seamless data transmission without any complex commands or configuration.

This plug-and-play USB to RS485 module is fully powered by the USB bus, eliminating the need for an external power supply. It supports half-duplex RS485 communication and offers excellent performance in industrial and automation environments, with strong anti-interference capability and long-distance communication up to 1200 meters.

Compatible with Windows, Linux, macOS, and WinCE, this converter is ideal for PLC communication, access control systems, monitoring equipment, PTZ cameras, automation systems, and industrial instruments. The onboard LED indicators provide real-time data transmission status for easy monitoring.

⭐ Key Features

• USB to RS485 serial communication converter

• Appears as a Virtual COM Port

• Plug & Play, no command structure required

• Powered directly from USB (no external power needed)

• Supports half-duplex RS485

• Baud rate support: 75 bps – 115200 bps (up to 6 Mbps)

• Communication distance up to 1200 meters

• Strong anti-jamming & industrial-grade performance

• LED indicators for TX/RX activity

• Hot-swappable USB interface

📊 Specifications

🧩 Applications

• PLC data reading and writing

• Industrial automation & instrumentation

• Access control systems

• PTZ camera control

• Household electrical appliance control

• Parking systems, toll systems, ATM machines

• Attendance and monitoring systems