USB to RS485 Conveter Adapter

Waveshare Industrial USB TO RS485 Bidirectional Converter

The Waveshare Industrial USB TO RS485 Bidirectional Converter is a professional industrial communication module designed to convert USB signals into balanced differential RS485 signals. Featuring the original CH343G USB-to-Serial chip and SP485EEN transceiver, the converter delivers stable, reliable, and high-speed data transmission for industrial automation and communication applications.

The device supports communication speeds from 300bps to 3Mbps and offers RS485 transmission distances of up to 1.2 km. It also incorporates multiple protection circuits, including TVS surge suppression, ESD protection, lightning protection, and over-current protection, making it ideal for harsh industrial environments.

Key Features

• Supports USB to RS485 bidirectional conversion.
• Original CH343G USB-to-Serial converter chip.
• Industrial-grade SP485EEN transceiver for better stability.
• Communication speeds from 300bps to 3Mbps.
• RS485 transmission distance up to 1.2 km.
• Built-in TVS protection against voltage surges and spikes.
• Lightning-proof and anti-static protection design.
• Resettable fuse and protection diodes for over-current and over-voltage protection.
• Supports point-to-multipoint communication up to 32 nodes.
• LED indicators for power, transmit, and receive status.
• Plug-and-play USB interface with excellent compatibility.

Product Advantages

• Industrial-grade design for reliable communication.
• High-speed and stable data transmission.
• Excellent protection against electrical interference.
• Long communication distance support.
• Compact and durable construction.
• Suitable for industrial automation and control systems.

Technical Specifications

Main Features

• USB to RS485 Bidirectional Communication.
• Original CH343G Controller Chip.
• Industrial SP485EEN Communication Chip.
• Lightning and Surge Protection.
• ESD and Over-Current Protection.
• Long-Distance RS485 Communication.
• LED Status Indicators.
• Supports Multi-Node Communication Networks.

LED Indicators

• PWR: Power Indicator.
• TXD: Red LED lights when USB port sends data.
• RXD: Red LED lights when the RS485 device sends data back.

Applications

• Industrial Automation Systems
• PLC Communication
• Access Control Systems
• Building Management Systems
• Data Acquisition Systems
• RS485 Sensor Networks
• Security and Surveillance Systems
• Embedded Development Projects

Why Choose Waveshare Industrial USB TO RS485 Converter?

• Industrial-grade performance and reliability.
• Supports high-speed communication up to 3Mbps.
• Advanced protection circuits for harsh environments.
• Long-distance RS485 communication capability.
• Easy integration with industrial control systems.
• Compact and durable design.
• Excellent stability and compatibility.

Package Includes

• 1 × Waveshare Industrial USB TO RS485 Bidirectional Converter
• 1 × USB-A Male to Female Cable
• 1 × Screwdriver