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Areej

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PLC

Top 6 Important Rules for PLC Ladder Diagram Programming

Table of ContentsWhat are the rules for drawing a ladder diagram?Rule 1. Inputs can be used in both parallel and series to form a connection.Rule 2. Outputs (or Coils) can be used only in ParallelRule 3. One Input can be used Multiple Times in...
Instrumentation Questions

Advanced Vibration Sensors and Probes Quiz

Process industries use vibration sensors and probes as essential components for monitoring the health status of their machinery. The devices act as detectors which identify irregularities that minimize expensive breakdowns and production interruptions. The assessment evaluates your grasp of complex vibration monitoring theory combined...
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Engineering Standards

Difference between IEC 61508 & IEC 61511 SLC Version

Introduction  Each phase of the lifecycle requires input information and delivers output information. The relevant...
Instrumentation

What is Safety instrumentation system?

Introduction Safety instrumentation is not exclusively a matter of instrument engineering and control.The successful implementation...
Instrumentation

Active and passive instruments

Introduction We can divide instruments into active and passive according to the consumption of power."Active"...
DCS

DIFFERENCE BETWEEN DCS ,PLC AND SCADA

DIFFERENCE BETWEEN DCS ,PLC AND SCADA  SCADA (Supervisory contol and Data Acquisition) is essentially a computer...
Instrumentation

How does an optical Encoders works?

Introduction The encoders use rotating discs with optical windows, as shown in the figure below....
PLC

COUNTERS in PLC Programming

Introduction There are two basic counter types: count-up and count-down. When the input to a...
PLC

An introduction to PLC timer’s

Introduction This function is used to provide a time-delay in a circuit. In the example...
Instrumentation

Troubleshooting of a transmitter

Introduction In this session we are gonna discuss about troubleshooting of a transmitter.we are gonna...
Communication

Installation & Troubleshooting of communication systems -part 2

Introduction As you can see we already discussed about some of the Installation & Troubleshooting of...
Communication

Installation & Troubleshooting of communication systems -part 1

Introduction  When solving problems in a communications system, the engineer or technician tries to use...
Control System

Overview of Advanced process control Methods

Introduction Advanced process control (APC) is a broad term within the control theory. It is...
Instrumentation

What is Instrumentation documentation?

Introduction Instrumentation documentation consists of drawings, diagrams and schedules. The documentation is used by various...
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PLC

Top 6 Important Rules for PLC Ladder Diagram Programming

Table of ContentsWhat are the rules for drawing a ladder diagram?Rule 1. Inputs can...
Instrumentation Questions

Advanced Vibration Sensors and Probes Quiz

Process industries use vibration sensors and probes as essential components for monitoring the health...
Instrumentation Calculators

Cubic Feet per Minute (CFM) to Cubic Meters per Hour (m³/h) Flow Unit Conversion Calculator

This tool enables users to convert Cubic Feet per Minute (CFM) to Cubic Meters...
Instrumentation Calculators

Gallons per Day (GPD) to Liters per Minute (L/min) Flow Unit Conversion Calculator

This tool helps users convert Gallons per Day (GPD) to Liters per Minute (L/min),...

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