Communication is an inherent part of computers and a range of protocols and methodologies have been employed to facilitate this communication. Here we have articles ...
What is the difference between RS-422 and RS-485 and do you know when to use which one? How many devices can you connect to an RS-422 or RS-485 network? Can you mix RS-422 and RS-485 devices on the ...
Variable frequency drives (VFDs) have become omnipresent in the building automation world. This proliferation of VFD’s is due to two main factors. First, when properly applied to centrifugal fans and ...