DFRobot FIT0832 Isolated USB To RS485 Converter, available now from Mouser, is an industrial-grade USB to RS485 module with a DC voltage output of up to 36V. This device is targeted at industrial instruments that need a high-voltage power supply. The converter may be powered directly by the USB bus. No external power supply is required. With strong compatibility, this converter conforms to the USB 2.0 standard (downward compatible) and the RS485 standard and supports systems like Windows 98/ME/2000/XP/7/8/10/Vista, Mac, and so on.
The device is supplied with built-in 15KV ESD protection and a maximum of 600W lightning surge protection. In terms of over-current and over-voltage protection, it adopts a self-recovery fuse plus TVS protection circuit to increase the service life of the module effectively. The USB to RS485 module provides plug-and-play and hot-swappable onboard indicators for visually displaying Rx/Tx communication status. It provides adaptive data communication rate from 300kbps to 921.6kbps.