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Areej

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Instrumentation Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel, equipment and industrial processes from hazardous operating conditions. In process industries, Safety PLCs form part of the Safety Instrumented System, executing Safety Instrumented Functions designed to reduce identified risks. Understanding...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI Is Changing Industrial PLC ProgrammingTypes of AI Tools Available for PLC ProgrammingBest AI Tools for PLC ProgrammingAI Tools for PLC Programming Comparison: Features and CompatibilityAI Ladder Logic vs Structured Text...
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Pressure Measurement

Basics of Pressure Scales

Introduction There are three pressure scales used for measuring pressure.   The Absolute pressure scale The...
Instrumentation

What are pneumatic controllers ?

 Introduction A controller is a device that senses differences between a desired condition and measured...
Instrumentation

BASICS OF AN INSTRUMENT AIR SUPPLY SYSTEM

Introduction The air used must be cleaned, dry and oil-free to ensure that small lines, ...
Valves

what are pressure relief valves?

INTRODUCTION Protection against over pressure is one of the most important design tasks in...
Control System

what is cascade control?

A simple control system drawn in block diagram form looks like this:   Information from the...
Flow Measurement

what are venturi tubes?

INTRODUCTION Venturi tubes, flow nozzles, and flow tubes, like all differential pressure producers, are based...
Instrumentation

FAIL SAFE LADDER LOGIC PROGRAM

Fail-safe design In control systems, safety is (or at least should be) an important design...
Instrumentation

BASIC LADDER LOGIC PROGRAMS

Ladder diagrams Ladder diagrams are specialized schematics commonly used to document industrial control logic systems....
Instrumentation

Zero Elevation and Zero Suppression in Level Measurement

Introduction It would be idealistic to say that the DP cell can always be located...
Control System

BASICS OF ON/OFF CONTROLLER

Introduction In control theory, an on/off controller, also known as a hysteresis controller, is a...
Instrumentation

OPEN & CLOSED LEVEL MEASUREMENT

Introduction In industries level measurement is a crucial process.there are different types of storage tanks...
Instrumentation

DRY & WET LEG LEVEL MEASUREMENT

Introduction  There are so many level measuring techniques in present.one of the method is measuring...
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Instrumentation Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel,...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI...
PLC

PLC Analog Output Wiring Procedure: 4 to 20 mA and 0 to 10 V in Process Automation

Table of ContentsUnderstanding PLC Analog Output Wiring for 4 to 20 mA and 0...
Instrumentation Calculators

Thermocouple Extension Cable Selection: Types, Colour Codes, Insulation and Resistance Calculation

Table of ContentsWhat Is Thermocouple Extension Cable and Why Is Correct Selection Important?Thermocouple Extension...