HomeAuthorsPosts by Areej

Areej

https://automationforum.co
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled through PLC based sequencing, pressure instrumentation, permissives, alarms, trips and automatic standby selection. For automation and instrumentation professionals, understanding this logic is essential for DCS configuration, PLC programming, control panel...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog Input LoopCommon Symptoms of Galvanic Isolator ProblemsStep by Step Galvanic Isolator Troubleshooting ProcedureIndustrial Troubleshooting Case Study: Incorrect DCS Pressure ReadingSafety Precautions for Galvanic Isolator TroubleshootingGalvanic Isolator Selection and Maintenance Best...
spot_img

Keep exploring

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...
Load more

Latest articles

Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog...
Instrumentation Calculators

Pressure Transmitter Overrange Protection Calculator: Calculate Pressure Surge and Overpressure Risk

Table of ContentsWhat Is Pressure Transmitter Overrange Protection?Pressure Transmitter Overrange Protection Calculator ParametersHow to...
Instrumentation Questions

Advanced Instrument Logic Diagram Quiz for Process Control Systems in Process Industries

Instrument Logic Diagram Quiz Introduction An Instrument Logic Diagram displays the interaction of process conditions,...