While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 Answers  

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What is seismic transducer?Where it is used?

1 Answers  

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What is Modbus communication

0 Answers  

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Somebody ask me how many size of control valve what is mean of control valve size?

2 Answers  

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-200mmwc to 500mmwc range transmitter have there 4mA is -200 and 20mA is 500.what is the range in 12mA?

5 Answers   NCC,

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Where is the flow transmitter installed with respect to control valve, state reason.

1 Answers   ADMA OPCO,

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Why the industry's standard current standards are from 4mA to 20mA,not from 0mA or any other range?

3 Answers  

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defination of plc? why we use plc? application of plc? advantage of plc?

4 Answers  

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What is the GK Value in Flowmeter?

0 Answers   IBPIL, Thermax,

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What for barriers are used in DCS & PLC systems?

2 Answers  

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Possible cause of IOP alarm in a DP transmitter: a: IOP-minimum b: IOP-Maximum

4 Answers  

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we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

0 Answers  

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