The USB to Modbus isolated converter DAT3580-USB/2W guarantees full isolation between the power supply, the USB port, and the RS-485 line. It is
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USB to Modbus RS485.
Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial
FT232RNL USB TO RS232/485/422/TTL Interface Converter Industrial
RS485 isolated converter - Victron Community
Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial
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USB to RS485 Isolated adapter / converter