>
> regards:
>
>
> If my system is like the followings:
> the system architecture is:
> http://0rz.tw/d83qm
>
> then do I need any control signal to control the "TX" "RX"?
>
> any positive suggestion is welcome.
> best regards to you all
>
> mike
No, you do not need to contrl the TX/RX signal.
However, you can only talk to one device.
You will lose all multi-drop capability.
donald
Reply by ●December 15, 20072007-12-15
regards:
If my system is like the followings:
the system architecture is:
http://0rz.tw/d83qm
then do I need any control signal to control the "TX" "RX"?
any positive suggestion is welcome.
best regards to you all
mike
Reply by Grant Edwards●December 15, 20072007-12-15
On 2007-12-15, mikeotp@gmail.com <mikeotp@gmail.com> wrote:
> by the way could I ask a question,could I simply use the "RTS
> line" to control RS485 half duplex mode?
You can if your RTS line is wired up to the direction control
on your transceiver.
> and I ask a question. and when I am using RS485 FULL duplex
> (RS422 mode),Do I need any control lines like "RTS","CTS"?
That depends on how your driver and receiver are wired to your
serial port.
> any positive suggestion is welcome.
Learn to use Google and Wikipedia?
http://en.wikipedia.org/wiki/RS-485
--
Grant Edwards grante Yow! Is it NOUVELLE
at CUISINE when 3 olives are
visi.com struggling with a scallop
in a plate of SAUCE MORNAY?
Reply by ●December 15, 20072007-12-15
regards:
by the way could I ask a question,could I simply use the "RTS line" to
control
RS485 half duplex mode?
and I ask a question.
and when I am using RS485 FULL duplex (RS422 mode),Do I need any
control
lines like "RTS","CTS"?
any positive suggestion is welcome.
best regards to you all
mike