in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 Answers  

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sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

0 Answers   HPCL, TCS,

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Draw a 3 element level control loop and explain

1 Answers   CCIE,

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What is the full form of PMMC ?

7 Answers   DVC,

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Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

0 Answers   EHC,

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What is the difference between a Extension cable and a copnesating cable.Where can we use compensating cable. Is anywhere compensating cable are used for mv transmission to the indicator.

1 Answers  

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How to force the bit in GE Mark V?

1 Answers  

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What is the difference between PLC-HMI and DCS as each function of DCS based system is possible in PLC ?

2 Answers   Lucky Cement,

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How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???

1 Answers  

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What is Process portal A(PPA)?

1 Answers   ABB,

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Working principle of vibration sensor?, Type of vibration sensor? , Can we use vertical instead of horizental or vice versa?, if not Reasons?

2 Answers  

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how to check earthing,what is minum ohms for proper earthing

0 Answers  

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