R Jagan Mohan Rao

An astute professional with 25 years of service as an Instrumentation Engineer, started a career in Pulp & Paper. In the course of time, shifted to Power plants, Cellulose units, Chemical plants (Carbon di Sulphide, Clo2, and Sulphuric Acid), Oil and Gas (Exploration & Production). Most of the service is in Operations & maintenance. As per demand, handled project pre-commissioning, and commissioning activities. 20 years of service in India, 5 years in Middle East nations.

Interview Questions and Answers on Load Cell

This post shares the top 25 technical questions and answers on the load cell used in the industrial weighing applications.

Control Valve Accessories – Principle, Purpose, Advantages

A control valve is the most commonly used to regulate fluid flow in the process. The international society of automation

Compare Solenoid Valve Manual reset and Manual Override

Compare Solenoid Valve Manual Reset and Solenoid Manual Override

Solenoid Valve Manual Reset There are certain occasions where safety requires that a valve can not be remotely operated by

Air Cylinder Consumption Calculation for Control Valves

The single-acting spring return cylinder: These are just like the standard single-acting cylinders with the exception that they have a

How do you do control valve sizing in Layman’s terms?

The first step in finding the sizing of a control valve in Layman’s terms is to calculate the flow coefficient (Cv) for the process system.

Types of Failures in Control Valves

Types of failures in control valves explained in detail and mentioned the possible practical solutions. If the control valve malfunctions,

A typical wiring diagram from Field Transmitter to Control Room

How to Wire a Field instrument to Control Room with Example

Few factors are to be considered or taken care of while wiring a field instrument to control panel. Noise Susceptibility

PROFIBUS is also a Master Slave protocol

Compare Modbus, Fieldbus, and Profibus

Modbus is a granddaddy of industrial communication protocols. Modbus is Modicon plus fieldbus. Modbus, a serial communication protocol developed by

Step-by-Step Guide to Choose Right Fuse for a Panel

We explained the different factors of fuse to choose the right type for a electronics or electrical panel with our

Grounding or Earthing Scheme in DCS or PLC Systems

First, let us understand the difference between grounding and earthing. Whenever the DCS or PLC systems are grounded, they still