Siemens SINUMERIK 808D ADVANCED Commissioning Manual page 50

Then the following "Set PG/PC Interface" dialog box is displayed.
Check the interface being used. For RS232 communication, you must assign the interface
"PLC802.PPI.1" to PLC programming tool.
8. Double click the interface "PLC802.PPI.1" or click the "Properties" button, and the following
property dialog box is displayed.
On the "PPI" tab page, set the baud rate for the transmission rate, which PLC Programming
Tool will use for communication.
Note: The baud rate you select must be the same as what you have set on the control.
Commissioning Manual
50
01/2017