Definition:
A Basic Process Control System (BPCS) is the standard control system responsible for day-to-day operation of a process, separate from safety-specific systems. It is distinct from the SIS.
Key Points:
- BPCS typically manages normal startup, shutdown, and operating functions.
- BPCS can sometimes be credited as a risk reduction measure if it meets performance and independence criteria.
Example:
A temperature control loop regulating reactor temperature through a DCS is part of the BPCS.
Cited Source:
- IEC 61511-1:2016, Clause 3.2.2.