Driving a light-emitting diode (LED) or LED array is not without its challenges. The LEDs require a well-designed constant-current source for controlled brightness. More specifically, the output ...

Just over a decade ago, an article titled, "Advanced Control Strategies Move into the Field" (Control, October 2008), highlighted three evolving trends in the process control world that would "make ...

The Flexi Soft Safety Controller which supports communications to PLCs via all standard field bus communications protocols now includes a new feature called Flexi Loop. This adds the capability to ...