On Thu, May 27, 2004 at 12:27:57AM +0100, Tony Duell wrote:
> > I have a need to build a serial converter down here. ISTR RS-422 drivers
> > are something like 26L32s, which we have. What I'm not sure of is what
>
> 26LS31 drivers, 26LS32 receivers IIRC.
Perfect.
> > to use for the RS485 end. Any suggestions? Obviously, I'll have to use
>
> I seem, to rememebr using the TI SN75176 chip for this. I assume you're
> using multiple drivers on the RS485 bus, so you'll need to find some way
> of controlling the enable pins of the 75176.
It is a point-to-point RS-485 link, in this particular installation, not
multi-drop, fortunately.
I presume I would just tie the enable pins to "true"
The RS-485 device in question is a simple 4-wire transmit/receive pair.
Thanks for the pointers,
-ethan
--
Ethan Dicks, A-130-S Current South Pole Weather at 27-May-2004 01:10 Z
South Pole Station
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Ethan.Dicks_at_amanda.spole.gov http://penguincentral.com/penguincentral.html
Received on Wed May 26 2004 - 20:16:27 BST