process control

How to Effectively Design Control Systems for Distillation Units

A distillation unit is an industrial apparatus used to separate impurities and products of a component based on their boiling…

1 month ago

How to Size a Control Valve

Pneumatic control valve Control valve sizing refers to the procedure determining the correct size of a valve body. A valve…

3 months ago

Process Control System Design for a Distillation Unit

The aim of a typical control system is to force a given set of process variables to act in some…

3 months ago

Limit Switches vs. Proximity Sensors

An object can be used to activate a switch directly, producing an ON or OFF signal to indicate the presence…

3 months ago

Standard Process Signals for Industrial Instrumentation

Industrial measurement and control processes employ standard process signals that are used throughout all the industries. For instance, one of…

3 months ago

The USB-6009 Data Acquisition Card Features

The USB-6009 is a small external data acquisition and control device manufactured by National Instruments that is normally connected to…

4 months ago

How X-Y Tables are used in Position Control Applications

X-Y tables are utilized as components in many systems where reprogrammable position control is desired. The X-Y table is two…

4 months ago

Basic Facts about 4-20 mA current loop in Process Instrumentation

The 4-20 mA current loop, like the one shown in the diagram below is a typical way of transmitting sensor…

5 months ago

Optothyristors: Features & Principle of Operation

Silicon Controlled Rectifiers (SCRs), Triacs and other solid-state devices used for switching larger voltages and currents ON and OFF are…

9 months ago

PFDs vs. P&IDs

Process Flow Diagrams (PFDs) defines the major elements of the process schematically i.e. the interconnections of process vessels, pipes and…

9 months ago