why we use by pas on a positioner? When can a by pass be not used on a positioner ?

1 Answers  

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what is the operation philosophy of proximity velocity sensor

1 Answers  

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where the use of direct action control valve?

2 Answers  

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What is seeback effect?

3 Answers  

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What is difference between profibus and modbus communication

2 Answers   GMR,

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hi everybody. right now i am working with thermal power plant. our company plant is tripped because of program corrupt. i would like to know is it possible when the plant is running. we are using FREELANCE ABB800F CONTROLLER.

2 Answers  

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one rtd sensor which is connected at middle of distillation column where actual temp. is 100deg but when we tight this sensor at thermowell end it goes down to 90 deg & when remove from the thermowell(but sensor end dipped in well) showing actual reading, what is reason?

3 Answers  

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what is the difference between plc and pc?

5 Answers   ADI, NFCL, Wipro,

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Q- What are the application in which PNP transistor is preferred over NPN ?

0 Answers  

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defination of plc

14 Answers   ABC, Sofcon,

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WHAT IS THE VALUE OF MICRON

2 Answers  

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what is modbus?and why use it?what benifit

2 Answers  

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