[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

NOTE: In some cases, if communication continues not to work, please try setting the "Latency Timer (msec)" setting for the USB Serial Port device driver to "1".  This can be done within Device Manager: