From the Primer: A variable-frequency drive (VFD) is a device for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. Variable frequency drive controllers are solid …
This week I had the pleasure of attending the Automation Fair at the McCormick Center. This is about the sixth or seventh time I have gone since the early 1990s but my first time in Chicago. For those who don’t …
This was the final week of my Six Sigma and Lean Manufacturing courses through Purdue University. I took my final exam this morning and I’m happy to say that I aced the test, though since it was open book that’s …
The first machines I programmed when I started my old company ACS were primarily packaging machines. As I have mentioned previously I teamed up with NAS early on, becoming their de-facto controls department. In the beginning we built a lot …
