Although I spent most of my time at the SPS Show in the PI booth, I did get to visit the booths of some PTO members. I already mentioned Stahl, WAGO, Siemens, and Phoenix Contact. Here are some others:
HMS was showing the PROFINET relatives in their Anybus family. These included boards for PROFINET RT and IRT and including one board with fiber optic connections:
(click for larger image or click here for close-up of devices)
I’m sure I missed some members, but it’s only a three-day show and on Wednesday you could barely get from one place to another!