PLC based Metro Automation Project
Metro is one of the public transports widely used all over the world. In this project we are going to apply PLC automation in METRO. This project is completely built
PLC Automatic Control of Two Outputs with one Input
This is PLC Program for the automatic controlling of two outputs with one push button. We need to control two outputs with single push button. Based on the duration of
How to Interchange ON Delay Timer and OFF Delay Timer in a PLC
Timer functions are most important in PLC Programming. Logics play the important role in PLC Programming. According to PLC programmer’s skills, logic will get different in application. In this program,
PLC based Auto/Manual Operation of Roll down Shutters in Industry
This is PLC Program for the auto/manual operation of roll down shutters in industry. PLC based Roll down Shutters Operation PLC can be used to control the auto/manual shutter operation.
Readings Mismatch between Field & Control Room ? Why
Instrumentation maintenance engineer often hears about process value mismatch from field transmitter display reading and control room DCS/PLC reading. Generally we see the readings mismatch between field & DCS happens
Traffic Light Control using PLC Ladder Logic
We most often come across three way traffic jam in our city. This PLC program gives the solution to control heavy traffic jam using programmable logic control. Traffic Light Control
Difference between DCS & PLC Systems
DCS stands for Distributed Control System and PLC stands for Programmable Logic Controller. Do you know the Difference between DCS and PLC Systems ? Difference between DCS & PLC Systems
BASICS OF TRIPS, INTERLOCKS, PERMISSIVES & SEQUENCES
This post provides information about basics of Trip, Interlock, Permissive and Sequences which are regularly used in instrumentation control systems like ESD, DCS, PLC etc. Trip: The term Trip refers to an action that
Boiler Three Element Controller Philosophy
A single element control system is one with just one control input, a two element control system is one with two control inputs, etc. A three-element boiler water level control
Coriolis Mass Flow meter as a Multi Variable Transmitter
The tubes within a Coriolis flowmeter are shaken at their mechanical resonant frequency to maximize their shaking motion while minimizing electrical power applied to the force coil. The electronics module