Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Analog Voltage and Pulse Train Reference - Manual (Page 102)

4 Trial Operation
4-4
CAUTION
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 host controller
CN1
To power
supply
Secure the motor flange to
the machine, but do not
connect the motor shaft to
the load shaft.