Waveshare USB TO RS485 Professional Reliable Converter
Waveshare USB TO RS485 X003BWNXDB features the original FT232RL chip, supports up to 921600 bps, automatic direction control, 1.2 km communication, and industrial ESD and surge protection.
Waveshare USB TO RS485 Converter Industrial FT232RL
Industrial-grade USB to RS485 converter designed for reliable serial communication between a computer and RS485 devices. It features the original FT232RL USB-to-UART chip for stable data transmission and broad operating system compatibility. With built-in surge protection, ESD protection, TVS diode, and a resettable fuse, it is well suited for industrial automation, PLCs, Modbus communication, data acquisition systems, and long-distance RS485 networks.
Specifications of Waveshare USB TO RS485 Converter Industrial FT232RL
Specification |
Details |
|---|---|
Brand |
Waveshare |
Model |
USB TO RS485Â (X003BWNXDB) |
Product Type |
Industrial USB to RS485 Converter |
USB Chip |
FT232RL |
RS485 Transceiver |
SP485EEN |
Host Interface |
USB 2.0 Type-A |
Device Interface |
RS485 |
Baud Rate |
300 bps – 921600 bps |
Direction Control |
Hardware Automatic |
RS485 Connector |
3-pin Screw Terminal |
RS485 Pins |
A+, B-, GND |
USB Operating Voltage |
5V |
USB Cable Distance |
Up to 5 m |
RS485 Transmission Distance |
Up to 1200 m (low baud rate) |
Transmission Mode |
Point-to-Multipoint (up to 32 nodes) |
Protection |
600W Surge Protection, 15kV ESD Protection, TVS Diode, Resettable Fuse |
LED Indicators |
Power, TXD, RXD |
Supported Operating Systems |
Windows XP/7/8/8.1/10/11, Linux, macOS, Android, WinCE |
Operating Temperature |
-15°C to 70°C |
Operating Humidity |
5%RH–95%RH |
Connectivity
Input
- USB Type-A
Output
- RS485 Screw Terminal (A+, B-, GND)
What’s in the Box
- 1 × Waveshare USB TO RS485 Converter
- 1 × USB-A Extension Cable (Approx. 1.2 m)
- 1 × Screwdriver
FAQ
1. What is the maximum communication speed?
Up to 921600 bps.
2. What is the maximum RS485 transmission distance?
Approximately 1200 meters at lower baud rates.
3. Does it require manual direction control?
No. It uses automatic hardware direction control for transmit and receive.
4. Which operating systems are supported?
Windows, Linux, macOS, Android, and WinCE.
5. What protection features are included?
It includes TVS surge protection, 15kV ESD protection, a resettable fuse, and over-voltage/over-current protection.

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