Blast Furnace Panel Modification to Reduce Down Time by 60 to 70%
With the time demand of increasing the efficiency of production facilities to achieve Target, it is required to made the engineering system robust and fool proof .The below described is…
Applications of Temperature Scanner
Temperature is one of the most important physical parameters in every day of life. It has the cause and effect even in human beings and other creatures apart from machines and…
How are HART instruments Calibrated?
The field instrumentation in process plants is beginning to come under more sophisticated metrological discipline. Most new field instruments are now smart digital instruments. One popular digital protocol is the HART…
Calculate Temperature Coefficient of RTD
RTD's are based on the principle that the resistance of a metal increases with temperature. The temperature coefficient of resistance (TCR) for resistance temperature detectors (denoted by αo), is normally defined as the…
Relationship between Temperature Scales
Relationship between Temperature Scales Relationship between Fahrenheit and Celsius To determine the relationship between Fahrenheit and Celsius, we could draw a graph of F (temperature in °F) versus C (temperature…
Equivalent Logic Gates using PLC Ladder Diagrams
Explain the basic digital logic gates circuit and boolean logic with PLC programming. Show the Equivalent Logic Gates using PLC Ladder Diagrams.
Rectifiers & Filters Interview Questions
1. Explain what is a dc power supply? The part of the equipment that converts ac into dc is called dc power supply. 2. Explain what is a rectifier? A…
PLC Program Examples
Discuss different PLC program examples for Signal lamp task, Valve operation program and make an output switch off when any of the sensors activated.
PLC Multiple Outputs Configuration
PLC Multiple Outputs Configuration useful for PLC Sequence of Outputs or Sequence Logic, PLC Ladder Rung with two inputs & two outputs.
PLC Latching Function
PLC Latching function is a self-maintaining circuit in that, after being energized, it maintains that state until another input is received.