3.4.6.2 Open-collector input mode of position command pulse ● Wiring for using the internal 24V power source of the servo Fig. 3-11 Wiring diagram for open-collector input of pulse command (using the 24V power source of the servo) ● Wiring for using an external 24V power source and internal current-limiting resistor of the driver Fig. 3-12 (a) Wiring diagram for open-collector input of pulse command (using an external 24V power source and the internal current-limiting resistor) 31 Technical Manual for EA190 Series Servo Driver V100