A few weeks ago, I wrote about fixing the VDO windshield washer pump in a vintage European car. As part of that, I quickly stepped through troubleshooting the system to reach the point where I ...

A PLC-controlled system stops for no apparent reason, causing excess scrap, production delays, and quality problems. The final control elements in the PLC loops include seven valves, two heating ...

You were recently hired on as the electrical engineer and electrical services manager for a small company that has its offices and manufacturing on the same site. Eric, the personnel manager, is also ...