In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

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When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 Answers  

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

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If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

0 Answers   Kirloskar,

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How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

0 Answers   ABB,

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why nutral and earthing wire connect with each other in main panel board.?

2 Answers  

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if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

0 Answers   Bhel,

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how to define that what is resister ,capacitor& inductor.

1 Answers  

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what is the resistance value of our human body?

9 Answers  

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Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

0 Answers  

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what is the different between bus section and bus coupler

2 Answers  

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What is meant by a linear circuit and what is a non- linear circuit?

5 Answers  

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