2-3 Wiring Perform insulating treatment. 2 Ground connection is not required. Design Connect to the ground terminal of the Inverter. Note 3: Separate the wiring from the power cable of the main circuit and from the wiring on the relay control circuit. (More than 10 cm apart.) Selecting the Sequence Input Method (Sink/Source Logic) 2-14 Inverter's internal circuitry When interface power supply is used When external power supply is used Sink logic 24 V DC PSC S1 S6 COM SC PLC etc. Inverter 24 V DC PSC S1 S6 24 V DC COM SC PLC etc. Inverter Source logic 24 V DC COM P24 S1 S6 PSC SC PLC etc. Inverter \ 24 V DC P24 COM PSC S1 S6 24 V DC PSC SC PLC etc. Inverter S1 S6 COM 24 V DC S6 COM