What is the main three inputs of DCS?

1 Answers  

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why pneumatic control signal output is use 0.2 to 1 kg/cm2

3 Answers   Jindal,

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Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.

0 Answers  

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how many types of preheaters are in cement industry & what r they can any body explain?

0 Answers  

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In RTU Panel we are having several Analogue & Digital Inputs /Outputs. We are recently facing some problems over Analog inputs , which are not updating properly (But Digital Input are updating normally) Can any one tell me from where the problem is creating , we have checked PLC CPU card, Analog Input card & we reconfigured ,But still the issue is there. Issue : 1. Sometimes Analog values are updating & sometimes not. 2. Analog values are not updating normally , showing some wrong Values 3. Total dead (0 value) Analog values are Level & flow measurement from the field instruments. (But in field the instruments are working normally & Displaying the values normally in local display unit) This problem we are facing in our Water Plant. If any one experienced this same problem or having any ideas related to our issue PLS send your valuable Answers/Replies...

6 Answers   L&T,

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Draw a group of instruments interlocked to a Pump & Motor?

0 Answers  

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what is the difference between PLC & DCS

17 Answers   L&T,

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any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

0 Answers  

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Why integral control mode call Reset controller?

1 Answers  

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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

15 Answers   Schlumberger,

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Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???

4 Answers  

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sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

0 Answers   HPCL, TCS,

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