YASKAWA CIMR-G7U Technical Manual page 60

 Sinking/Sourcing Mode
The multi-function input terminal logic can be switched between sinking mode (0 Vdc common) and sourcing
mode (+24 Vdc common) by using the terminals SN, SC, and SP. An external 24 Vdc power supply is also sup-
ported, providing more freedom in signal input methods.
Sinking
Mode
Sourcing
Mode
-28
2
Table 2.13 Sinking/Sourcing Mode and Input Signals
Internal Power Supply
S1
S2
SN
SC
IP24V(+24V)
SP
S1
S2
SN
SC
IP24V(+24V)
SP
External Power Supply
S1
S2
SN
SC
External +24V
SP
S1
S2
SN
External +24V
SC
SP
IP24V(+24V)
IP24V(+24V)