VFD-USB01 is a USB/RS485 communication interface launched by DELTA. It does not require external power supply and supports automatic switching of data transmission direction.
The VFD-USB01 is a compact RS‑485‑to‑USB converter from Delta that requires no external power and supports a wide range of baud rates. It uses an RJ‑45 connector for RS‑485 and a standard USB‑A plug for PC connection, making it easy to integrate with all Delta IABU products.
This guide walks you through driver extraction, installation via the Windows hardware wizard, LED indicator meanings, pin assignments, and COM‑port configuration. Safety precautions and revision notes are also included to ensure reliable operation. This manual is written in Chinese.
| Power Supply | No external power needed |
|---|---|
| Isolation Voltage | 3000 VDC |
| Supported Baud Rates | 75‑115200 bps (75,150,300,600,1200,2400,4800,9600,19200,38400,57600,115200) |
| RS‑485 Connector | RJ‑45 |
| USB Connector | USB‑A plug |
No, the device operates without an external power source and consumes only 0.4 W.
It supports baud rates from 75 bps up to 115200 bps, including 75, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200 bps.