Industrial automation

Insulated Gate Bipolar Transistor (IGBT) – Structure, Operation & Applications

IGBT is a voltage controlled device. It has high input impedance like a MOSFET and low on-state conduction losses like…

7 months ago

Telemetry in Instrumentation Systems

Telemetry can be defined as the science of gathering information at some remote location and transmitting the data to a…

7 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…

7 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…

7 months ago

Process Instrumentation Diagnostics & Communication Interfaces

There are various technologies that are available that help plant automation personnel to obtain diagnostic data which inform the type…

7 months ago

Sources of Coherent Interference/Noise in Instrumentation Systems

Introduction The knowledge of how to design low noise instrumentation systems is an essential skill that any practicing instrumentation engineer…

8 months ago

Pneumatic Signal Transmission System

Signal transmission in process instrumentation and control systems is largely done via electrical transmission but there are a few areas…

8 months ago

Phase Locked Loop High Precision Motor Speed Control System

AC generators can be utilized in high precision control systems. The AC generator rotor is rotated by the rotating shaft…

8 months ago

Principle of Operation of Magnetostrictive Position Sensors

Magnetostrictive sensors detect the location of a magnetic ring that slides along a conductive metal tube; in other words this…

8 months ago

How to Connect Discrete Sensors to PLC Inputs

Discrete Sensor Outputs   Basically sensor outputs can be categorized into two types: discrete also referred to discrete or logic…

8 months ago