A best practice is a method or technique that has consistently shown results superior to those achieved with other means, and that is used as a benchmark. ARC has conducted numerous best practice surveys over the past thirty years and has developed best practices for a large number of topics of interest to industry executives.

Functional Safety: Separation or Integration

There are different safety instrumented systems (SIS) and basic process control systems (BPCS) architectures available on the market. Integrated or separate functional safety systems are available from different suppliers in various form factors. In the past, there were always good reasons to keep SIS and BPCS separate and autonomous. Today, in the age of organized cybercrime attacks on industrial plants, this is becoming even more important.