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PLC

PLC learning series 6: PLC process Scan basics

What is PLC scan? To operate the system by PLC, PLC program should be downloaded...
Pressure Measurement

What is Diaphragm seal? Application of Diaphragm seal

Table of ContentsWhat is Diaphragm seal?Function of Diaphragm sealWorking principle of Diaphragm sealApplications of...
Temperature Measurement

Pneumatic temperature sensor basics

Pneumatic temperature sensor systems are mostly used in HVAC systems for transmitting temperature signals...
Control System

What is Cooling tower? cooling water system?

What is cooling tower? A cooling tower is an essential equipment in any industry which...
SIS/ESD

What is the difference between Blowdown Valves (BDV) & Pressure Safety Valve (PSV)

Both BDV and PSV are kind of safety valves. What is PSV? PSV's are used...
Control Valve

What is Snap acting relay?

What is snap acting relay? Snap acting relay senses the supply pressure and changes the...
PLC

PLC learning series 5: 8 Rules for ladder diagram programming

There are a set of universal laws that governs how a ladder diagram are...
Communication

What are Fieldbus Coupling devices?

What are Fieldbus coupling devices? Fieldbus coupling equipment (often informally referred to as bricks) are...
Temperature Measurement

Advantages & Disadvantages of thermocouple

Advantages of Thermocouple: They are capable of being used to directly measure temperatures up to...
PLC

PLC learning series 4 : How a ladder logic diagram works? How to read ladder logic ?

How a Ladder Logic diagram works? Ladder diagrams describe programs in graphical form, used in...
Electrical

Types of Time delay relay, Applications of time delay relay.

What is Time delay relay? Timing relay has a device that delays the instant switching...
Flow Measurement

Thermal Dispersion Flow Switch Working Principle

The thermal dispersion flow switch is an accurate liquid flow sensor. The operating principle...
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