u Using the Pulse Train OutputThe pulse train output terminal MP can supply power or be used with an external power supply.NOTICE: Connect peripheral devices in accordance with the specifications. Failure to comply may cause unexpected drive operation, andcan damage the drive or connected circuits.n Using Power from the Pulse Output Terminal (Source Mode)The high voltage level of the pulse output terminal depends on the load impedance.Load Impedance RL (kΩ) Output Voltage VMP (V) (insulated)1.5 kΩ 5 V4 kΩ 8 V10 kΩ 10 VNote: The load resistance needed in order to get a certain high level voltage VMP can be calculated by: RL = VMP• 2 / (12 – VMP)MPACVMP R LLoad ImpedanceFigure 3.31 Pulse Output Connection Using Internal Voltage Supplyn Using External Power Supply (Sink Mode)The high voltage level of the pulse output signal depends on the external voltage applied. The voltage must be between 12and 15 Vdc. The load resistance must be adjusted so that the current is lower than 16 mA.External Power Supply (V) Load Impedance (kΩ)12 to 15 Vdc ±10% 1.0 kΩ or higherMPACLoad ImpedanceSink CurrentExternal Power SupplyFigure 3.32 Pulse Output Connection Using External Voltage Supply3.8 Control I/O Connections112 YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide