Basic Process Control System (BPCS) is a system which handles process control and monitoring for the facility.
It will take inputs from sensor and process instruments and provide output based on control functions in accordance with approved design control strategy.
Typically, Basic Process Control System (BPCS) performs the following functions:
Control the process within pre-set operating condition, optimize plant operation to produce a good quality product and attempt to keep all process variables within its safety limit.
Provide operator interface for monitoring and control via operator console (Human Machine Interface)
Provide alarm/event logging and trending facilities
Generate production data reports
Basic Process Control System (BPCS) is also considered as one of safety layer preceding Safety Instrumented System (SIS) within a facilities.