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Need IC number for RS232 to RS485

 
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karthickiw



Joined: 09 Aug 2007
Posts: 82
Location: TN, India

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Need IC number for RS232 to RS485
PostPosted: Fri Mar 26, 2010 6:32 am     Reply with quote
Hi CCS Friends,

What type of IC use for RS232 to RS485 conversion to use RS485.c Inbuilt drivers.
dyeatman



Joined: 06 Sep 2003
Posts: 1934
Location: Norman, OK

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PostPosted: Fri Mar 26, 2010 6:57 am     Reply with quote
If you had taken the time to use the Forum Search to search on RS485 you would have found this:

http://www.ccsinfo.com/forum/viewtopic.php?t=40757

It includes a schematic showing one chip that can be used.
The 74174, 74175 and 74176 chips can also be used.
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John P



Joined: 17 Sep 2003
Posts: 331

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PostPosted: Fri Mar 26, 2010 10:26 am     Reply with quote
And not wishing to sound repetitive, but:

When you say RS232, do you mean real genuine RS232 using +/- 12V signaling levels, or do you mean simply a serial port?

The requirements for conversion to RS485 would be totally different.
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