Safety Relief Valve Material Selection
An important factor in selecting the correct Safety Relief Valve is choosing the correct materials for the application. It is obviously impossible to cover all possible applications, but we will…
Coriolis Flow Meter Uncertainty and Inaccuracy
The Coriolis flow meter manufacturer is stating the accuracy as a total of their base accuracy, zero stability, and operating pressure effect.
Inspection and Test Requirement of Control Valves
Inspection and Test Requirement of Control Valves Visual Test as per MSS SP-55 Dimensional Test: Face-to-face dimensions as per ANSI/ISA-75.08.01, ANSI/ISA-75.08.06, and ASME B16.10. Flange facings and dimensions as per…
What is Displacer Level Sensor ?
Displacer level sensor use Archimedes’ Principle to detect liquid level by continuously measuring the weight of a displacer rod immersed in the process liquid. The displacer is cylindrical in shape…
One Shot Rising PLC Example Program
Build the ladder logic program to turn ON or OFF the lamp using single push buttons using one shot rising (ONR) instruction. ONE Shot Rising (OSR) Instruction One shot Rising…
Magnetostrictive Level Transmitter Calibration Procedure
Magnetostrictive Level Transmitter is a two wire loop powered instrument which transmits an analog 4-20mA loop current in proportion to the measured liquid level in the tank. This type of…
Lamp Control using PLC Logic Condition
Build the ladder logic program to turn ON and OFF the lamp using push buttons with respect to program logic conditions. PLC Lamp Control PLC Problem Logic Start PB and…
Drive Multiple Speeds with Different Reference using PLC
Drive multiple speeds with different reference. Write PLC program for drive multiple speeds with different reference. PLC Multiple Speed Reference In drive application we need to operate drive in multiple…
Quiz Program Logic Using PLC Programming
Build the ladder logic program to satisfy the condition for Quiz program logic. PLC Quiz Program There are three groups participating in quiz program. Since the people are from different…
Jog Function in Motor Start Stop Logic using PLC
The common usage of the word 'Jogging' in our daily life is for slow running. 'Jogging' or 'inching' of a motor also implies the same i.e ., to have small…
