ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time?

2 Answers   SCS,

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I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

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how level can be measured in open tank with reference to pressure

1 Answers   Atul, INOX,

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Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

0 Answers   IOCL,

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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 we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

0 Answers  

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can anyone tell free downloads website for fundamentals and principle of basic pressur,temperature,level and flow

2 Answers  

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What is Actuator?

3 Answers   Descon,

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If I want to buy a pressure switch & 3-way valve for hot water application then witch parameter I should consider.

1 Answers  

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please send the sample qustion paper for iocl written test ..

0 Answers   IOCL,

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why in vortex flow transmitter dcs range is configuring less than sensor range. eg (sensor range 500-25000 kg/hr and dcs range 0-24000 kg/hr).

1 Answers   Daelim,

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How to Calibrate Penumatic Transmitter.LRV= -60 URV= -20.Can u give me Answer.

9 Answers   ABB,

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