Yaskawa iQpump Controller User Manual - Manual (Page 50)

2.3 Control Wiring
50 YASKAWA TM.iQp.06 iQpump Controller User Manual
◆ Sinking/Sourcing Mode
The input terminal logic can be switched between sinking mode (0 V common) and sourcing mode (+24 V common) by using the
terminals SN, SC, and SP. An external power supply can also be connected, providing more freedom in signal input methods.
Table 2.11 Sinking/Sourcing Mode and Input Signals
Internal Power Supply – Sinking Mode
(Factory Default)
External Power Supply – Sinking Mode
External +24V
Internal Power Supply – Sourcing Mode External Power Supply – Sourcing Mode
External +24V