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16f877a modbus RTU .

 
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prab



Joined: 23 Jan 2007
Posts: 1

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16f877a modbus RTU .
PostPosted: Tue Jan 23, 2007 5:43 am     Reply with quote
HI folks,
This is Prabhu Chinnasamy. and i'm in need of making out my UPS to communicate to a network using MODBUS protocol with RS485 comm.
I using CCS PCM .

The device i can use is 16f877.

Can any one help me providing the basic code for 16f877 so that i can start form there.

I,m running short of time

thanks
Prab
yerpa



Joined: 19 Feb 2004
Posts: 58
Location: Wisconsin

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PostPosted: Tue Jan 23, 2007 12:47 pm     Reply with quote
Check the CCS code forum. There are good examples there.
kender



Joined: 09 Aug 2004
Posts: 768
Location: Silicon Valley

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PostPosted: Tue Jan 23, 2007 12:53 pm     Reply with quote
yerpa wrote:
Check the CCS code forum. There are good examples there.

Yes. Like this one http://www.ccsinfo.com/forum/viewtopic.php?t=19306
I think, it's RTU. That post doesn't say explicitly neither ASCII nor RTU.

By the way, I'm writing MODBUS RTU code for MSP430 right now. Smile
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