Answer / kj

A relay is designed to act on one type of input signal
only. It may have adjustments for a range but can only
perform one function.
A PLC (programmable Logic Controller) can be made to
perform many differnt functions including the functions of
relays. this is done by selecting the type of inputs and
outputs required when buying and then programming to suit
the functions wanted.

Answer / sujith kumar

A relay is a switch which gets ON/OFF with respective to the input signal of it.It can be NC or NO depending upon the application.
A PLC is a Microcontroller which has a memory and Relay(s) Controller in which a Program(Our Application) is stored and it will analyse our application and send signal to relay(s).

Answer / karan thadhani

they both are used to close the contacts of contecters .

which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

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every motors written in name plate IP 55 what is this?

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1. What is differential relay? How it operates?

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A thermistor is a type of

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0 Answers   ABC,

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explain why reduced voltage starters are required for large tree phase inudction motor

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why we are using starter

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0 Answers   Cap Gemini,

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