Moxa convertor

The MGate 5217I series from Moxa is a 2-port BACnet gateway that functions as a protocol converter, specifically for translating between Modbus RTU/ASCII/TCP and BACnet/IP networks. It allows users to integrate existing Modbus devices into a BACnet/IP system. 

Frequency Converter

 

Frequency Converter 

A frequency Converter is an electric device that converts a current with one frequency to a current with another frequency. 

The voltage is usually the same before and after frequency conversion.

Schematic diagram