Rockwell Automation Logix5000 Controllers ASCII Strings Programming Manual User Manual
Page 11
Communicating with an ASCII device Chapter 1
3. On the Mode menu, choose User and type the configuration settings for
the serial port.
•
Choose the baud rate, data bits, parity, and stop bits.
•
In the Control Line menu, choose the Control Line option:
If
And
And this is the
Choose
Then
You are not using a modem --------------------------------------------------------------->
No Handshaking
You are using a modem
Modems in a point-to-point link
are full-duplex
----------------------------->
Full Duplex
Master modem is full-duplex
while slave modem is half-duplex
master controller.
Full Duplex
slave controller
Half Duplex
Select the Continuous Carrier check box.
All modems in the system are
half-duplex
----------------------------->
Half Duplex
Clear the Continuous Carrier check box
(default).
•
In the RTS Send Delay box, type the delay (in 20 ms units) between
the time the RTS signal turns on (high) and the time that data is sent.
For example, a value of 4 produces an 80 ms delay.
•
In the RTS Off Delay box, type the delay (in 20 ms units) between the
time the last character is sent and the time that the RTS signal turns off
(low).
4. Click Apply.
Rockwell Automation Publication 1756-PM013D-EN-P - October 2014
11