USB to RS485 Converter Module Waveshare vB

The Waveshare USB to RS485 Serial Converter Module provides a simple and reliable solution for establishing RS485 communication between your computer and industrial or embedded devices. Powered directly via USB, this plug-and-play module requires no external power supply, making it an ideal tool for engineers, hobbyists, and technicians working with industrial automation, PLCs, motor drivers, sensors, and MODBUS-based systems.

Built around a high-quality USB to UART bridge chip paired with an RS485 transceiver, this module ensures stable long-distance data transmission at speeds of up to 921600bps, with cable runs extending up to 1200 metres. Automatic data direction control eliminates the need for manual flow control, streamlining your communication setup significantly.

Compatible with Windows, Linux, and macOS, the module is recognised instantly as a virtual COM port with widely available drivers. Its compact form factor, onboard protection circuitry, and sturdy terminals make it well-suited for both bench testing and permanent installations in industrial environments.

Specification:

• Brand : Waveshare
• Version: B
• Interface (Host Side) : USB Type-A
• Interface (Device Side) : RS485 (Screw Terminal)
• Baud Rate : 300bps – 921600bps
• Transmission Distance : Up to 1200 metres
• Data Direction Control : Automatic
• Supply Power : USB Bus Powered (5V)
• OS Compatibility : Windows / Linux / macOS
• Protection : ESD, Over-Voltage Transient Protection
• Indicator LEDs : Power, TX, RX