Proportional Control Summary

Figure 18 Controller Characteristic Curve

RESET (INTEGRAL) CONTROL SYSTEMS

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Process Controls PROPORTIONAL CONTROL SYSTEMS Summary The important information in this chapter is summarized below. Proportional Control Summary In the proportional control mode, the final control element is throttled to various positions that are dependent on the process system conditions. With proportional control, the output has a linear relationship with the input. The proportional band is the change in input required to produce a full range of change in the output due to the proportional control action. The controlled variable is maintained within a specified band of control points around a setpoint. Rev. 0 Page 27 IC-07

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