what is the deference bitween DCS and PLC SCADA HMI System for Power Process Industry.

1 Answers   UltraTech,

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FOR CO/CO2/O2/NOX applications which of the following manufature is best? and what is the basic principle of gas analysers? ABB/YOKOGAWA/EMERSON/SIEMENS/TELEDYNE/THERMOFISHER

4 Answers  

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how to calculate control valve bonnet size?? or how to select its material?

0 Answers   Jacobs,

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Give 2 application of quartz crystal used for process parameter measurement.

1 Answers   ADMA OPCO,

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TRANSDUSER MOSTLY CONVERT WHICH ENERGY INTO ENERGY ?

6 Answers   DVC,

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What is the difference between modbus,fieldbus & profibus

0 Answers   NSL,

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in DCS or PLC we can not put all ai or di,there is calculation through which we can accomodate certain no of digital and analog signal.I need to know that calculation

1 Answers  

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How many loops are there in the power plant? how many closed & open loop in the power plant ? Please give me the exact clarification?

2 Answers   Lanco, Reliance,

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how to write the program for single push button by using ladder diagram

22 Answers   DigiTech,

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How flow control valve is working with pnuematic positioner and I/P convreter from command is given from remote

1 Answers   Ecil, GAIL,

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how to connect 3 wire 4-20 mA transmitter in Plc system PLC system and how explain how the measuring data communicate with plc system.

1 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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