3   Specifications
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OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
Connecting the Servo Drive with a computer via the USB connector enables operations such as 
parameter setting and changing, control status monitoring, alarm status and history checking, and 
parameter saving and loading.
Precautions for Correct UsePrecautions for Correct Use
Use a commercially available USB cable that is shielded, equipped with a ferrite core for noise 
immunity, and supports USB2.0.
The Mini B type USB cable can be used.
3-1-11 USB Connector Specifications (CN7)
Pin
No.
Symbol Name Function and interface
1 VBUS USB signal terminal Used for computer communications
2D–
3D+
4 – Reserved for 
manufacturer use
Do not connect.
5 SENGND Signal ground Signal ground