Voices: Rezabek

Why the bus is Smurfed

In the early years of this century, choosing fieldbus meant limiting the field of potential suppliers to a smaller subset, since a number of the major players had incomplete or nonexistent offerings. The rest of technology wasn’t ready for fieldbus—maybe now it is.

By John Rezabek
May 20, 2017

The neighboring plant became an early adopter of fieldbus when they chose the technology for an upgrade from primarily older pneumatic controls to a modern microprocessor-based DCS. In the early years of this century, choosing fieldbus meant limiting the field of potential suppliers to a smaller subset, since a number of the major players had incomplete or nonexistent offerings. There was the chaos caused by mergers and acquisitions. And many of the players were concerned about their installed base—DCS solutions of the 1980s and ’90s that were still being sold to new projects in 2001. Somehow their fieldbus offering would have to be grafted onto the DCS solutions of yore. For nearly all suppliers, the new technology was more threats than opportunities.

Read More