YASKAWA Varispeed E7 Instruction Manual And Parameter Description page 60

Wiring Control Circuit Terminals
Sinking/Sourcing Mode
The input terminal logic can be switched between sinking mode (0-V common) and sourcing mode (+24V
common) by using the terminals SN, SC, and SP. An external power supply is also supported, providing more
freedom in signal input methods.
Table 2.13 Sinking/Sourcing Mode and Input Signals
Internal Power Supply – Sinking Mode
External Power Supply – Sinking Mode
External +24V
Internal Power Supply – Sourcing Mode
External Power Supply – Sourcing Mode
External +24V
23
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