Although some control problems can potentially be resolved through controller tuning, poor control loop performance can have several other causes requiring different solutions.

The Flexi Loop, which is part of SICK’s safety controller family, uses a single cable with an M12 plug to connect e-stops, sensors, switches, lamps, pushbuttons and interlocks. Maximum length between ...

By Jim Ford, PhD 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 ...