EA180 Series Servo Drive Users Manual 3.4.7.1 Differential input mode of position command pulse PE Fig. 3-13 Wiring diagram of differential mode input pulse command 3.4.7.2 Open collector input mode of position command pulse When using internal 24V power supply: Internal 24V power supply NPN connection Internal 24V power supply NPN connection Open collector pulse position command Max input frequency is200kpps Mini pulse width2.5us + 24V power +24V supply Servo drive 25 100Ω 100Ω 100Ω 100Ω PE Fig. 3-14 Wiring diagram of open collector mode input pulse command (using internal 24V power supply) 33 Maximum Minimum allowable width:
Pulse mode Voltage input frequency T1 T2 T3 T4 Differential 500Kpps 1s 1s 2s 0.5s 5V Open collector 200Kpps 2.5s 2.5s 5s 1.25s 24V (MAX) Upper device Pulse position command minimum pulse width 1us; maximum input frequency is 500kpps PULSE+ 1 2KΩ Servo drive 100Ω 33 34 100Ω 16 2KΩ 31 100Ω 32 100Ω 41 33 PULSE- SIGN+ SIGN- 31 32 100Ω GND GND Attention☞ Please ensure that "2.8 V ≤ (H level-L level) ≤ 3.7 V", otherwise the input pulse of the servo drive will be unstable. This can result in the following: Pulse loss occurs when the command pulse is input. Command reversal occurs when the command direction is input.
+ 24V power supply PULHIP PULSE+ PULSE- PULHIS PE SIGN+ SIGN- COM +24V Servo drive 25 1 2KΩ 33 100Ω 34 100Ω 16 2KΩ 31 100Ω 32 100Ω 36 PULHIP PULSE+ 33 PULSE- PULHIS SIGN+ PULHIS SIGN- COM PULHIP 34 100Ω PULHIS SIGN+ SIGN- COM