Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

0 Answers   KOC,

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What is fault tolerent system

2 Answers   GNFC,

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What is zener diode? What is voltage regulator?

0 Answers  

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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what is the characteristics of control valve?

7 Answers  

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Why we used cage in control valve?

8 Answers  

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what is electric motorised valve working principle.

1 Answers  

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in which mode of the zener diode act when load voltage is approximately constant

1 Answers  

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What are use of positioner.

6 Answers  

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How can we calibrate pressure and flow transmitter in the field(online)?

3 Answers   Aramco, Reddy Labs,

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what is the basic principal of vertax flow meter

3 Answers   Balrampur Chini Mill, Saba,

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Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

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