In Functional Performance Testing, which statement best describes the purpose of validating that sensor signals and control logic produce intended actions and that equipment responds to setpoints and sequences?

• A. To verify that random changes trigger alarms
• B. To ensure the system maintains a constant status regardless of setpoints
• C. To confirm manual overrides are never used
• D. To verify that sensor signals and control logic produce the intended actions and that equipment responds to setpoints and sequences

Answer: (D)