YASKAWA Sigma-V Series User Manual page 110

4 Trial Operation
Before performing trial operation of the servomotor alone under references from the host controller, be sure
that the servomotor has no load (i.e., the coupling and belt are removed from the servomotor) to prevent
unexpected accidents.
To main circuit power supply
4-4
To control power supply
CAUTION
CN1
To host controller
Secure the motor flange to
the machine, but do not
connect the motor shaft to
the load shaft.