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

2 Answers  

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What is servo motor and what are different types of servo motor

0 Answers   BARC, Vipul,

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What are the advantages of instrument transformer?

0 Answers  

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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??

5 Answers  

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If you have an earth with pilecap then your resistance is really low. why and how?

0 Answers  

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in a transmission line if the load is suddenly increased in the receiving end of the system the phase shift will ?

1 Answers  

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what was the function of the auxillary relay?

3 Answers  

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what is the difference between Resistance VS capacitance

2 Answers   Jindal,

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

0 Answers   Indeco,

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

0 Answers  

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The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

3 Answers   MPSC,

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