what is the difference between plc & DCS?

5 Answers   Cheminova, NGIL, Siemens,

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Regarding MOS (maintenance override switch), I want to know its function and its state ( 1 or 0 when not activated ). An example will be very helpful..thank you.

1 Answers  

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how we can calibrate an Interface level transmitter online

2 Answers   L&T,

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Question on maha cement

0 Answers  

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Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?

2 Answers   Infotech,

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How it the difference between force balance system and dispalacement balance system?

0 Answers  

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what is the procedure of belt scale calibration?

0 Answers  

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draw a loop drawing of vibration beginning to end

1 Answers  

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How a rtd work, and what volts/current goes to a RTD to measure the resistence?

1 Answers   DVC,

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How much should be the values and/or percentages of these given below factors for a good controller ? Steady state error Delay Rise Time Overshoot Peak Time Settling Time Damping Oscillations & vibrations thanks

1 Answers  

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When can a bypass not used on a positioner?

1 Answers   CCIE,

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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