Process variable - Wikipedia
In control theory, a process variable (PV; also process value or process parameter) is the current measured value of a particular part of a process which is being monitored or controlled. An …
What is process variable and types of process variables?
Dec 14, 2017 · Pressure, Temperature, Flow are the main three process variables in industries. The level is an another process variable in industries. Pressure is a term used to describe the …
Process Control Fundamentals | Instrumentation Tools
In almost all industrial process applications, control of process variables is critical to the safe and efficient operation of the process. The most common variables controlled are pressure, level, …
Instrumentation is the variety of measuring instruments to monitor and control a process. It is the art and science of measurement of process variables within a production, laboratory, or …
Process Control Basics ~ Learning Instrumentation And Control …
In industrial process control, the PROCESS VARIABLE or PV is measured by a sensor or instrument in the field and acts as an input to a controller, which takes action based on the …
Process control begins with understanding your process variables. In manufacturing, a wide number of variables from temperature to flow to pressure can be measured simultaneously. All …
In a typical control system, the process variable is the system parameter that needs to be controlled, such as temperature (ºC), pressure (psi), or flow rate (liters/minute). A sensor is …
Process Variable, or PV: Is the specific quantity measured in a process. Examples: pressure level, temperature, flow, electrical conductivity, pH, position, speed, vibration, etc. Setpoint, or SP: Is …
Process Control Instrumentation - InstrumentationTools - Inst …
The process variable is the parameter that is to be controlled. Examples of process variables in control systems are the temperature measurement in a location, the pressure produced by a …
Basic Process Control Strategies and Control System Configurations ...
In a simple control system, a process variable (PV) is measured and compared with a setpoint value (SP). A manipulated variable (MV, or output) signal is generated by the controller and …