Siemens SINAMICS G120C USS/MB - Connecting the Interfaces for the Inverter Control; Overview of the Interfaces

4.9 Connecting the interfaces for the inverter control
4.9.1 Overview of the interfaces
Frame sizes FSAA … FSC
To access the interfaces at the front of the Control Unit, you must lift the Operator Panel (if
one is being used) and open the front doors.












;
;
;
;
;
;
;
;
;
① Terminal strip -X138
② Terminal strip -X137
③ Terminal strip -X136
④ Interface -X21 to the Opera‐
tor Panel
⑤ Memory card slot
⑥ Switch for AI 0
,8
$,
● I 0/4 mA … 20 mA
● U -10/0 V … 10 V
⑦ Switch for the bus address
Only on G120C DP and
G120C USS/MB
2II2Q
%LW
%LW
%LW
%LW
%LW
%LW
%LW
G120C PN: No function
⑧ USB interface -X22 for con‐
nection to a PC
⑨
/1.
/1.
5'<
%)
6$)(
Status LED
LNK1/2 only for G120C PN
⑩ Terminal strip -X139
⑪
2))21
Switch for bus termination, only on G120C USS/MB
G120 DP and G120C PN: No function
⑫ Fieldbus interface at the bottom
Installing
4.9 Connecting the interfaces for the inverter control
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF 81