Instrumentation Design Archives - Page 3 of 12

Air Consumption Calculation for ON/OFF Valves

S Bharadwaj ReddySeptember 26, 2017December 29, 2018

Air Consumption Calculation for ON/OFF Valves Generally we specify air consumption in SCFM ( standard cubic feet per minute) for on/off valve as an intermediate (Non-continuous) service. Air Consumption calculation

Difference between Intrinsic Safe and Non-Intrinsic Safe Cables

S Bharadwaj ReddySeptember 22, 2017January 17, 2019

Difference between IS and Non-IS cables The IS and Non-IS cables are similar in construction like 1 pair, 2 pair or multi-pair cables with shield, insulation, armor etc. The entity

Level Transmitter and Level Gauge Design Tips

S Bharadwaj ReddySeptember 9, 2017January 18, 2019

Level Transmitter and Level Gauge Design Tips Level / Vessel Sketches What is this ? Level sketch or vessel sketch is the drawing prepared by Instrumentation engineer to show various

Draw Wiring of a Pressure Switch to control two lamps

S Bharadwaj ReddyAugust 20, 2017August 20, 2017

Sketch the necessary wiring to make this pressure switch control two lamps in the following manner: High process pressure: green lamp on and red lamp off •Low process pressure: red

What is a Control Loop ?

S Bharadwaj ReddyAugust 12, 2017January 19, 2019

A control loop is a process management system designed to maintain a process variable at a desired set point. Each step in the loop works in conjunction with the others

How to choose between PLC and DCS Systems ?

S Bharadwaj ReddyAugust 9, 2017December 1, 2018

The following steps discuss about How to choose PLC or DCS systems ? Step 1: Does the process require implementation of advanced process control (APC)? No doubt, the vast majority of

Motor Control Circuit Wiring

S Bharadwaj ReddyAugust 1, 2017October 5, 2018

A simple three-phase, 480 volt AC motor-control circuit is shown here, both in pictorial and schematic form. This entire assembly consisting of contactor, overload block, control power transformer, power fuses

Motor Protection Circuits

S Bharadwaj ReddyAugust 1, 2017July 9, 2018

An essential component of any high-power motor control circuit is some device to detect a condition of excessive overload and interrupt power to the motor before thermal damage occurs. A

Electrical Motor Starter Circuits

S Bharadwaj ReddyJuly 12, 2017July 12, 2017

Manual DOL Starter : Contactor Controlled DOL Starter : Read : Simple DOl Starter using PLC Motor Star Delta Starter : Read : Star – Delta Starter Principle Motor Auto

Instrumentation Books Download

S Bharadwaj ReddyJuly 8, 2017November 17, 2018

Instrumentation Books Free Download Links Programmable Logic Design Instrumentation Basics Engineering-Definitions Measurement of Control Basics A Heat Transfer Textbook (8.39 MB pdf) Advanced Control Engineering (2.08 MB rar) Applied Technology

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Category : Instrumentation Design