Adapter for connection with PC - USB / RS485 Converter:
Controllers R256 and R356 needs a bus and voltage converter, the connection
with regular PC is required. Standard PC does not offer a Industrial Bus RS485,
but offers USB port. System Windows requires for proper communication with this Adapter
appropriate Drivers. These can be downloaded here :
USB/RS485 Drivers
HOWTO USB485 Reinstalling Driver
HOWTO Windows 10 USB485 installation