The quantity in a process we adjust or otherwise manipulate in order to influence the process variable (PV). Also used to describe the output signal generated by a controller; i.e. the signal commanding (“manipulating”) the final control element to influence the process.
Similar Basic Questions in Industrial and Control Systems Engineering:
- What is Manual mode in Industrial measurement and control systems Engineering
- What do you mean by Automatic Mode in Industrial measurement and control systems Engineering
- What is FCE or Final Control Element
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- What do you mean by controller in Industrial measurement
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- What is Process Variable in Industrial measurement and control systems
- What is Setpoint in Industrial measurement and control systems
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Reference and Further Reading: Basics of Industrial Instrumentation Handbook