[VIDEO]: Using RS-485 with a WattsOn-Mark II
This video describes how to connect and communicate with an Elkor WattsOn-Mark II using RS-485, Modbus/RTU and Elkor's free Modbus Commander Software.
FTDI:
Part Number: USB-RS485-WE-1800-BT
Driver: https://ftdichip.com/drivers/vcp-drivers/
Elkor USB-to-RS485:
Part Number: USB-RS485
Driver: http://elkor.net/bin/CH341SER.EXE
Modbus Commander Installer: http://elkor.net/product/WattsOn-Mark_II#Software