Patent ID: 9188239
Filing Date: 2015-11-17
Classification: F16K,G01B,G01D,G01F,G05D,G06F,G16Z,Y10T

Abstract:
1. A method comprising: securing a position of a flow control member of a control valve assembly to prevent movement of the flow control member; installing a controller to the control valve assembly; activating a user interface of the controller after the controller is coupled to the control valve assembly; entering a position sensor sensitivity value and a single-point position value, the single-point position value being representative of the secured position of the flow control member; applying a single-point calibration value; placing the controller in a control mode; and releasing the position of the flow control member, the controller to self-calibrate during operation of the control valve assembly based on the position sensor sensitivity value and the single-point position value while the control valve assembly is in operation.