What is the difference between HMI and Scada?

4 Answers   Schneider,

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What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

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CAN WE CALIBRATE LEVEL TRANSMITTER USING HART COMMUNICATOR WHEN WATER LEVEL IS PRESENT IN THE BOILER SHELL?

4 Answers   Chemin, Emerson,

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what are the possible reasons if a control valve fails to open/close?

1 Answers   DEWA,

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what is datum line?

4 Answers  

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what is difference between PLC and DCS?

10 Answers  

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what is the principal of operatio of dc motor

1 Answers  

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why is negative range given to measure the steam drum level

2 Answers   Jindal,

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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 DCS?

24 Answers   Reliance, SWCC,

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Why even multiple power supplu r used in instrumentation system?

1 Answers   Honeywell,

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how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

0 Answers   Adani Power,

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