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Relays Definition

Relays Definition: The main purpose of a PLC is to replace real world relays. A Relays Definition is basically an electro-magnetic switch. When a voltage is applied to the coil, a…

PLC Structure

PLC Structure: The PLC Structure mainly consists of a CPU, memory areas, and appropriate circuits to receive input/output data as shown in Fig. 21.22. A PLC can be considered as…

Data Logger Operation: Data Logger Operation - For proper understanding of a Data Logger Operation, it is essential to understand the difference between analog and digital signals. For example, measurement…

Modulation Frequency Definition

Modulation Frequency Definition: Modulation Frequency Definition is the process of impressing information on a carrier wave by altering either its amplitude of frequency. In amplitude modulation, the degree is the…

Electric Field Stress

Electric Field Stress: Electric Field Stress - In modern times, high voltages are used for a wide variety of applications covering the power systems, industry, and research laboratories. Such applications…

What is Electromechanical Chopper?

What is Electromechanical Chopper?: Electromechanical Chopper - An ac amplifier must see ac in order to perform useful work. A fair number of chopping and modulation techniques are available to…

Turbine Flow Meter Working Principle

Turbine Flow Meter Working Principle: Turbine Flow Meter Working Principle - The Turbine Flow Meter is used for the measurement of liquid gas and gases of very low flow rate.…

Magnetic Flow Meters

Magnetic Flow Meters: Magnetic Flow Meters are the first type of flowmeters to be considered for high corrosive applications and for applications involving measurement of erosive slurries. These meters work…