Answer / laxit

Question is wrong, Now a days, PLC with mega expansion
capacity is available. One need to check the scaning time
requirement and avaiblity isues pertaining to process




For a large system DCS system for control is acceptbale
however for safety function there shall be PLC (ESD)
system. In case of small application where as PLC can work
as safety and control purpose shall employed.

Answer / lalit

plc cannot handle or show analog value...DCS HAVING
SPECIALITY TO MEASURE AND CONTROL ANALOG I/O RELIABLY

Answer / rambir singh

DCS and PLC are same in functioning but the difference is that DCS can display what happening inside PLC.

To become an Instrument DESIGN engineer, is there any softwares or training to become Instrument Design engineer, plz suggest me, Iam very much interested in designing.

0 Answers  

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what will be the output of a temperature transmitter if temperature is 120 degree celcius?

6 Answers   KNPC,

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4 Answers  

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Why hunting will occour in control valve?

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what is XV and KV valves?

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How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 Answers  

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what are the levels of automation?

1 Answers  

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

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Why the Proximitor supply should be Negative voltage? Why should not we give Positive voltage to the Transducer?

6 Answers   Moser Baer,

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Which products are available in the Mass Systemswitch and System Manager AC range?

0 Answers  

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please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

0 Answers  

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