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→ If you use the internal 10-V supply, you must connect AI 0- to GND.
Further wiring options of digital inputs for FSAA … FSC
*1'
H[W
9
H[W
'2
'2
*1'
',&20
',&20
',
',
',
',
',
',
'212
'2&20
'21&
9287
;
;
;
Connection of contacts switching to P potential
with an external power source
If you wish to connect the external and the
internal inverter power supply voltages with
one another, then you must connect "GND"
with terminals 34 and 69 at the terminals.
;
;
'2
'2
*1'
',&20
',&20
',
',
',
',
',
',
'212
'2&20
'21&
9287
*1'
H[W
9
H[W
;
Connection of contacts switching to N potential
with an external power source
Connect terminals 69 and 34 at the termi‐
nals.
Installing
4.9 Connecting the interfaces for the inverter control
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF
85