Importance of Grounding Electronic Equipment

Grounding electronic equipment for personal safety and clearing of faults is no different than that of any other equipment. Safe grounding requires fast opening of circuit breakers or fuses and…

What is a Square Root Extractor? – DP Flow Measurement

In the olden days of DP Flow Measurement, the square-root function was performed in a separate device called a square root extractor.

Gas Turbine Troubleshooting Tips

Gas Turbine Troubleshooting The following information required for troubleshooting GE-design heavy-duty gas turbine issues: When did the problem begin? After a maintenance outage? After a forced outage (emergency shutdown, trip)?…

Tank Level Control in PLC

Design a PLC program to control the liquid level in a tank. A level transmitter is used to measure the tank level into a standard current signal from 4 to…

PLC based Drink Dispenser System

Develop ladder logic program for PLC-based Drink Dispenser System according to the logic given below, Press the power button to activate the power supply as shown in the figure.Put manually…

What is Differential Pressure and Pressure Loss?

When a flow element is inserted in a closed passage of fluid in piping, a differential pressure is produced between the upstream and downstream.

What is Ground, and importance of a Grounding System?

Grounding is a very complex subject. The proper installation of grounding systems requires knowledge of soil characteristics, grounding conductor materials and compositions and grounding connections and terminations. Article 250 of…

Basic Parts of Control Valves

A valve is a mechanical device that controls the flow of fluid and pressure within a system or process. A valve controls system or process fluid flow and pressure by…

Remote Diaphragm Seal Transmitter for Vacuum Application

First I will list the proof/recommendation I found in vendor literature and also during one of the projects this was vendor recommendation for full vacuum condition. As always it isn’t…

PLC Programming Example for a Batch Process

Develop PLC Programming Batch Process ladder logic program according to the logic given below, Ingredient A is sent to the tank first by energizing solenoid 1. The flow meter gives…