Answer / raghav

Profibus is siemens propritary protocol, where as RS 485 is
standard multidrop serial communication (it's hardware), we
have communication for RS 485 profibus available in the
market

Answer / rajesh

profibus is best because its data rate is fast when fibre
profibus is used

Draw bode plot of any transfer function. Why is plotting bode necessary?

0 Answers   L&T, STS,

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what are the diff. in servo and regulatory control?

0 Answers  

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why we are using MARSHALLING PANEL? what is the role?

5 Answers  

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what should be minimum length and size of impulse line for steam flow orifice and feed water orifice? asked by sanjay parihar

1 Answers   Birla,

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how the 4 to 20 mA signal goes to any controller/indicator,and what is the role of voltage ,12/24 and how to do connection of it, in controller.

1 Answers  

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sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at ujjwal_sharma1983@yahoo.com

0 Answers   ONGC,

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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

0 Answers  

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If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

0 Answers   Essar, Reliance,

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WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 Answers   ABB, Adani, Adani Power, GMR, IIUC,

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why the output sugnal is 4-20 ma and not 4-25 ma?

5 Answers  

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what is thermo coupler and how it works

2 Answers   Tisco,

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what is Instrument Schedule, and what it is mainly used for?

0 Answers  

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