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Automation

Open loop and Closed loop control system

Open loop control system: the process in the system where one or several input variables...
Interview Questions

Field instrumentation interview Questions and answer

What are the different process variables? Flow. Pressure. Temperature. Level. Quality i.e. % O2,...
How to

Loop checking & Procedure

What is Loop checking: Loop checking is the final process before the commissioning of the...
Electrical

Current measurement used for control panel

Current measurement is needed for devices such as the thermocouple-gauge pressure sensor and the...
Electrical

Stepper motor drive

A stepper motor is a small powered motor designed for tracking and positioning. The...
Instrumentation

What is a Measurement system in a process? and its components

The purpose of the measurement system is to present the observer with a numerical...
Control System

Hydraulic System Basics

What is a Hydraulic system basically? The basic principle of a hydraulic system is derived...
Automation

Advantages of Hydraulic Systems over other systems

Advantages of the Hydraulic system:   When compared to the mechanical power method has a...
Automation

What is DDL (Device Description Language)?

What is DDL? DDL HART equipment description language extends mutual operation (interoperability) exceeds the Universal...
Electrical

What are Optoisolators?

Optoisolators are a component that is used as a component of I / O...
Automation

What is Automated process system?

The automated system (Automation System AS) is a PC computer-based workstation device and microcomputer...
Communication

Data Acquisition Card (DAQ) function

What is Data Acquisition Card? To measure signals and transfer data to the computer is...
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