Docs on RS-422 and RS-485 standards

[a_fischetti]

I'm looking for a simple tutorial about Rs-422 and Rs-485 standards. Anyone can help?

Thanx in advance,

Antonio.

 

[brmadhukar]

rs 485 iso 4902

Hi Check out,
The first link is better
**broken link removed**
users.telenet.be/educypedia/computer/rs232485.htm
B R M

 

[Serg_SV]

rs422 db37 pinout

at sipex.com very much documents about RS-422/485

 

[a_fischetti]

Re: Rs-422 and 485

Thanks alot guys, your suggestions are very useful.

One thing I still need. :roll:
I can't find what is the standard pinout for a 25 pins connector working with Rs422.

Cheers.

 

[papyaki]

Re: Rs-422 and 485

Hi,

Here is one : h**p://www.national.com/an/AN/AN-1057.pdf

Try also search on the forum. This topic was discussed many times.

 

[Regnum]

Re: Rs-422 and 485

I can't find what is the standard pinout for a 25 pins connector working with Rs422.

The RS-422 interface uses DB37 and DB9 connectors as specified in the ISO 4902 standard

 

[alphi]

Re: Rs-422 and 485

Following:

 

[buntheun]

Re: Rs-422 and 485

hi
friend i think it might help u!!
buntheun

 

[funnynypd]

Rs-422 and 485

Here is one hardware converter (RS232 to RS485/SAEJ1708) I developed: