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Profibus on PIC

 
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hello188



Joined: 02 Jun 2010
Posts: 74

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Profibus on PIC
PostPosted: Tue Nov 15, 2011 1:38 am     Reply with quote
Hi, I need to develop a Profibus slave for industrial devices.

Unlike Modbus, Profibus specification is very complicated and even obtaining the specification is too expensive.

So, I looked for bus controller ASIC's but they are all designed to be used with 8051's, and I could not understand their example code or operation because I have no experience with 8051 (I have only used AVR/PIC/MSP430).

Do you know simple easy to use Profibus bus controller where I only have to worry about data exchange?

Please, I need expert's advice.
Thank you
FvM



Joined: 27 Aug 2008
Posts: 2337
Location: Germany

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PostPosted: Tue Nov 15, 2011 2:29 am     Reply with quote
A dedicated PROFIBUS hardware controller is in fact required to provide the full range of data rates up to 12 MBaud.

I would opt for a Profichip VPC3+S with SPI/I2C interface.
nilsener



Joined: 06 Dec 2005
Posts: 59

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PostPosted: Thu Nov 17, 2011 2:32 pm     Reply with quote
Please search the web for anybus ic from HMS.

best regards
Nilsener
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