Advantages of servers over normal desktop in PLC SCADA system

1 Answers   InfoMedia,

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I want to measure level under vaccum by using DP Tx and vaccum vary between -500 to -670 mmHg and process fluid is accetic anhydride if consider process fluid density 1 kg/cm2. how to calibrate Tx ? consider level is 0 to 100 Cm.

1 Answers   CCC,

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how to calibrate transmitter

3 Answers   Sabic,

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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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can anybody will tell me abiut PID controller.

4 Answers  

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The DCS stand for________________________. it is composed of the following major components: a:______________ b:______________ c:______________ d:______________

2 Answers  

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What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 Answers  

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how to check the leak in thermowells

1 Answers  

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Square root calculation for dp flow transmitter?

0 Answers  

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installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

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Generally in which location ( JB or IO card or DCS) the thermocouple compensation is done.Also where they measure the atmosphere temp ( for compensation) in JB OR DCS panel? How they compensating that atmosphere temp? is any circuit for that ( like in rtd wheatstone bridge)?

3 Answers  

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control valve in manual/auto mode huntting checked spring tention also it is ok.positioner also good condition & incoming inst air line also constant pr.kindly give us correct answer?

5 Answers   Madhu Power,

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