Solutions for asynchronous serial communication between systems or subsystems include many possible interface implementations – for example, RS-232, RS-485, RS-422, controller area network (CAN), ...

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 ...

I know you’ve heard of both synchronous and asynchronous communications. But do you really know the differences between the two? Serial communication was used long before computers existed. A ...