This perceived commonality has led many companies to use the DCS for implementation of their safety requirements. There are, however, many differences which might not be apparent at first glance, some of which are detailed in the below comparison:
So which system, the BPCS or the SIS, would you use for your dedicated safety functions?
Maybe you will allow safety functions up to SIL 1 to be implemented in your BPCS and safety functions with higher SIL requirements to be engineered in your SIS?
The takeaway question:
How are you designing your safety functions and into what automation technology as of right now? If you want to find out more, contact us or post a comment.