Contents Objectives Identify components of control valves and regulators Describe various operating scenarios Discuss valve actuators and positioners Explain the ways to reverse controller output signals, and need for such changes Describe types of pressure regulator devices Reading Terms to Know Actuator, Valve Plug, Valve Assembly Valve positioner Sliding Stem […]
control
Objectives Define basic controller terms — overview Outline the common controller settings Identify physical configurations for controllers Describe final control elements Identify components Identify applications Terms to Know Control valves: ATO, ATC Control Valve failure modes — FC, FO, Fail-Last Controller Action: Direct vs Reverse Local/Remote Controllers (location) Local/Remote Control/Setpoint […]
Contents Objectives Describe Process Control Explain the function of a control loop Compare “Closed Loops’ and “Open Loops’ Identify the components of a control loop Describe signal transmission types Reading Terms to Know Setpoint Open Loop, Closed Loop, Feedback Control, Measure, Manipulate Sensor, Transmitter, Controller, Transducer, Final Control Element Live […]