→ If you use the internal 10 V power supply, you must connect AI0- or AI1- to GND.
Further wiring options of digital inputs for FSD…FSF
*1'
H[W
9
H[W
'2326
'21(*
',&20
9RXW
*1'
',&20
',
',
',
',
',
',
'212
'2&20
'21&
;
;
;
;
Connection of contacts switching to P potential with an
external power source
If you wish to connect the external
and the internal converter power sup‐
ply voltages with one another, then
you must connect "GND" with termi‐
nals 34 and 69 at the terminals.
*1'
H[W
9
H[W
'2326
'21(*
9RXW
*1'
',&20
',
',
',
',
',
',
'212
'2&20
'21&
;
;
',&20
;
;
Connection of contacts switching to N potential with an
external power source
Connect terminals 69 and 34 at the
terminals.
Installing
4.10Connecting the interfaces for the converter control
SINAMICS G120C Converters
88 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
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