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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what is 'A' Check & 'B' Check ?

2 Answers  

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I have seen 1 video in which a person getting shock while standing at top of a train,i have 1 question? why the people sitting in the train doesn't get shock while that man getting shock from top of the train? How the earthing of train works?

17 Answers   Bhel,

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Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

0 Answers   ABC,

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How can we calculate the capacitance of generator?

1 Answers  

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why ct is testing using dc.. y cant we use AC insted of dc on POLARITY TEST.

6 Answers  

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What is the function of neutral CT in transformer? Turn ratio of typical CT for 2MVA transformer ? or relation between full load current of transformer and neutral CT ?

1 Answers   Electrical Inspectorate,

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Disadvantage of leading power factor

3 Answers  

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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How to maintain ac plant?

0 Answers   HCL,

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When placed close together, two positively charged materials will

1 Answers  

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