October 28, 2014
Redundancy is not covered by the PROFIBUS PA specification, but vendors have jumped in with their own solutions. There are several choices including these two from PI North America members:
1. MooreHawk provided a nice video showing how their solution works for both Foundation Fieldbus and PROFIBUS PA.
2. Siemens has a solution as well, but they did not provide a fancy video. So here is an animation from the PROFIBUS PA Certified Network Engineer class.
–Carl Henning