WHY USE A FIELDBUS?: The PTO has published an AUDIO White Paper in MP3 on this topic. The number one reason people don't use a fieldbus is that they don't know about them. Most likely they haven't been told of the benefits. This White Paper remedies that! It's real simple to listen to, and it's a great way to learn in a spare 5 minutes.
Download the [broken link #45] or just listen to the [broken link #45].