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 […]
loops
4 posts
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 […]
![A diagram of an I/P Transducer [140-10-01]](https://millops.community.uaf.edu/wp-content/uploads/sites/605/2017/03/millops-140-10-01.png)
Contents Objectives Describe the relationship between sensors, transducers, and transmitters in process control loops Compare and contrast the transmitter/transducer input and output signals Calculate: % span Scaling: Input to Output (linear) Review control loop function based on a process control scheme diagram Reading Terms to Know Discrete Sensing Element Integrally […]
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 […]