With Foundation fieldbus, the old redundancy paradigm no longer applies, so where should we apply it to achieve the fault tolerance we need? Contributing Editor John Rezabek provides analysis and commentary.
Senior Tech Editor Rich Merritt implores the industry to hold ISA Expo, National Manufacturing Week, Promat, Sensors Expo, IMTS, Pack Expo, AM Expo, and Quality Expo all at the same time and in the same place.
Executive Editor Jim Montague implores us to think and act like a reporter, dont trust opinions (including mine and yours), remember to take all stories with a grain of salt, and of course, don't despair.
Technology introduces both benefits and dangers, but as new solution building blocks become available, we have to be aware of not only their benefits, but also limitations their designers havent considered.
The big problem is that control systems dont all support OPC the same way or to the same degree, so theres often no consistent way to capture and transmit even simple items like the status bit of a transmitter.
Users can accomplish forced initialization under adverse conditions, output tracking, and other methods of implementation, including selection based on error and override control using Foundation Fieldbus
There arent many schools training automation professionals, but who can blame them for not wanting to do more than a head nod toward teaching the tools and techniques in their science and engineering curricula?
Control Talk columnists McMillan and Weiner say in order to get good performance, you need to measure and track the process, the controls, and the equipment under actual real-time operating conditions.
CONTROL's Senior Tech Editor Rich Merritt reports on enterprise integration, who's doing it, how well it is going, and how information is provided from the process control system to enterpise-level software.