WHAT IS THE DIFFERENCE BETWEEN DCS & PLC.

9 Answers   Reliance,

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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where can i find a flameproof hmi unit?

1 Answers  

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Why capacitive banks ar5e important?

5 Answers   Siemens,

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why we use 24 vdc in instruments mostly?

2 Answers  

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Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

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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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Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

0 Answers   CCIE,

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i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

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what are the programming languages used in dcs

7 Answers  

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what is pneumatic control system?

1 Answers   APL,

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what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 Answers  

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