Siemens Sinamics G120 CU240E Operating Instructions Manual page 61

● If you have installed the "PC COM-Port (USS)" interface, close the dialog box and now
● In this dialog box, you can set the COM interface (COM1, COM2, COM3) and baud rate
● To determine the correct values of your interface, choose e.g. COM1, and then click on
● Under the "RS 485" tab, in addition, select the "Automatic mode". Using various baud
● If "???" is displayed in the Baud rate test field then the baud rate test was unsuccessful.
Frequency inverter
Operating Instructions, 08.10. 2008, t.b.d.
call up "Properties - PC COM-Port (USS)".
Figure 4-8 PC COM properties
(default: 38400).
"Read".
rates in succession, the PC checks whether communications have been established to
the frequency inverter. This can take several minutes.
and you should choose a different COM interface. In the case of the correct COM
interface, a value is displayed. Enter this value into the "baud rate" selection field.
Commissioning
4.5 Commissioning with STARTER
61