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Associate

Join Date: Aug 2010
Location: karnataka
Posts: 28

Profibus and Foundation Field Bus

05/03/2011 10:13 AM

How to determine the bit transmission rate and frequency of profibus and foundation field bus?

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Guru
United States - Member - Member Engineering Fields - Electrical Engineering - Electrical Construction

Join Date: Apr 2010
Location: Mid Western USA - The Corn Belt
Posts: 1439
Good Answers: 58
#1

Re: profibus and foundation field bus

05/03/2011 10:26 AM

You could contact one of the manufacturers, try a Google search

OR

Try one of these:

Link

Link

Hope some of these help!

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Guru

Join Date: Jul 2010
Posts: 669
Good Answers: 176
#2

Re: Profibus and Foundation Field Bus

05/03/2011 8:05 PM

Aww, c'mon. At least give it a try. Even girls can fill in the blanks.

Both fieldbuses have a field instrument network and a hgih performance network.

For Foundation Fieldbus (FF), the field instrument network is the H1 bus, which runs at ____ baud using Manchester coding. There is no baud rate adjustment. Power is supplied over the bus. It is intrinsically safe.

The FF high performance bus where the servers reside is designated H2 in the spec, but is implemented at the current time by the HSE (high speed ethernet) bus, which runs at ____ baud.

Bridge couplers are used between the H1 and HSE buses.

For Profibus, the field instrument bus is the PA (process automation) bus, which runs at ____ baud.

The high performance network (servers and drives) is the DP (Distributed Peripherals) bus, an RS-485 bus that runs between ____ baud and ____ baud, depending on distances.

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Associate

Join Date: Aug 2010
Location: karnataka
Posts: 28
#3
In reply to #2

Re: Profibus and Foundation Field Bus

05/04/2011 11:20 AM

please fill it and send me

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