YASKAWA SGDS Sigma III Series User Manual page 28

Connect the main circuit cable and encoder cable to SGMAH or SGMPH servomotor in the following manner.
Do not directly touch the connector pins provided with the servomotor. Particularly, the encoder may be
IMPORTANT
damaged by static electricity, etc.
1. Remove the protective tape and cap from the servomotor connector.
2. Mount the cable connector on the servomotor and fix it with screws as shown in the figure below.
1.4 Examples of Servo System Configurations
1-7