Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why use….?

4 Answers   Uttam Sugar,

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why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

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Can you tell me how we will select RTD and Thermocouples for Temperature applications. I.e How we will choose accurate one for a specefic operation if both having same ranges

3 Answers   Nippon,

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What is the function of SMPS

2 Answers  

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what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

2 Answers   Honeywell,

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What is an analog input - output , digital input - output . Any example ???? How they r known its ai-ao or di - do

4 Answers   Torrent Pharma,

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What are the disadvantages of Human-Machine Interface (HMI)? atleast 3.

1 Answers  

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What is first echo & echo window in radar type level transmitter?

0 Answers  

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What is the basic difference between Modbus and CAN Open Protocols

0 Answers  

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What is the difference between PLC and DCS?

4 Answers   Honeywell,

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pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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what is mean of 3 by 2 automation ?

5 Answers  

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