Industrial USB TO RS485 Converter (B)

A high-performance, isolated USB-to-RS485 converter designed with the original FT232RL chip and advanced galvanic isolation for robust and interference-free communication. Ideal for industrial automation, remote data acquisition, and building management applications requiring high-speed, long-distance RS485 serial communication with enhanced protection.

• Original FT232RL Chip: Authentic FTDI USB-to-UART controller with broad OS support.
• Advanced Galvanic Isolation:
  • Unibody Power Isolation to prevent ground loops and protect devices.
  • ADI Magnetic Isolation ensures high-speed signal separation and safety.
• Multi-Protection Circuitry:
  • TVS diodes for ESD protection
  • Surge and lightning-proof design
  • Self-recovery fuse for overcurrent/short-circuit safety
• High-Speed Baud Rate: Up to 3Mbps for fast data exchange
• Auto Tx/Rx Control: Simplifies programming by eliminating manual flow control
• SP3485 RS485 Transceiver: Reliable half-duplex communication
• Durable Industrial Design: Suitable for harsh operating conditions
• USB-A & Screw Terminal: Easy connection to host and RS485 network

• Communication Chip: FT232RL (Original FTDI)
• RS485 Transceiver: SP3485
• Isolation: Unibody Power Isolation, ADI Magnetic Isolation
• USB Interface: USB-A male (USB 2.0 compatible)
• Device Port: RS485 Screw Terminal (A/B/GND)
• Baud Rate: Up to 3Mbps
• Mode: Half-duplex with Auto Tx/Rx control
• Protection: TVS (ESD), Surge, Lightning-Proof, Self-Recovery Fuse
• LED Indicators: PWR, TXD, RXD
• Operating Temp: -40°C to +85°C (typical industrial range)
• Dimensions: See Waveshare documentation

• Reliable Data Transmission: Galvanic isolation + FT232RL = stable long-distance comms
• Robust Equipment Protection: Multi-layer defense against electrical hazards
• Plug-and-Play Setup: Auto Tx/Rx + screw terminals = rapid deployment
• Cross-Platform Compatibility: Works across Windows, Linux, macOS, Android (OTG)
• Industrial-Grade Build: Durable, compact, and resistant to electrical noise

• Industrial Automation: Interface with PLCs, sensors, and drives
• Building Management: Connect HVAC, fire alarms, and lighting control systems
• Remote Data Acquisition: Link to smart meters and remote sensors over 1.2km
• Security Systems: RS485 for CCTV, RFID, access control
• Retail: POS peripherals like barcode scanners and receipt printers
• M2M: Reliable machine-to-machine communication
• LED Displays: Control LED message boards and digital signage

• Operating Systems:
  • Windows 7, 8, 8.1, 10, 11
  • Linux (e.g., Ubuntu, Raspberry Pi OS)
  • macOS (modern versions)
  • Android (with OTG support)
• USB: Compatible with USB 1.1, 2.0, 3.0 ports
• RS485 Devices: Modbus RTU, PLCs, sensors, industrial controllers
• Power: USB-powered, no external supply needed

• PWR LED: Lit when powered via USB
• TXD LED: Flashes when sending data to RS485 bus
• RXD LED: Flashes when receiving data from RS485 to USB