User manual
IEC61131 User and Reference Manual 
April 22, 2008     
579 
Baud Rate 
The baud rate sets the communication speed. The possible settings are determined by the 
type of serial data link used. The table below shows the possible settings for the controller. 
Note that not all port types and baud rates are available on all controller ports. 
Port Type 
Possible 
Settings 
Recommended Setting 
RS-232 or 
RS-232 
Dial-up 
modem 
75 baud 
110 baud 
150 baud 
300 baud 
600 baud 
1200 baud 
2400 baud 
4800 baud 
9600 baud 
19200 baud 
38400 baud 
57600 baud 
115200 baud 
Use the highest rate 
supported by all devices on 
the network. 
RS-485 
75 baud 
110 baud 
150 baud 
300 baud 
600 baud 
1200 baud 
2400 baud 
4800 baud 
9600 baud 
19200 baud 
38400 baud 
Use the highest rate 
supported by all devices on 
the network. 










