CyberCertPrepOT Security FundamentalsOT Fundamentals: ICS/SCADA BasicsEASYFree question

A timer turns on a heater for a fixed duration regardless of the resulting temperature, never sensing whether the target was reached. This control strategy is best described as:

A.Open-loop control
B.Cascade control
C.Closed-loop control
D.PID regulation

Why A is correct

Open-loop control drives an output based on a predetermined plan without measuring or correcting for the actual process variable. Because there is no feedback comparison against a setpoint, deviations go uncorrected.

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A timer turns on a heater for a fixed duration regardless of the resulting temperature, never sensing whether the target was reached. This control strategy is best described as:

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A timer turns on a heater for a fixed duration regardless of the resulting temperature, never sensing whether the target was reached. This control strategy is best described as:

Where this fits in the OT Security Fundamentals exam

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