8   Operation
8 - 2
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
8-1 Operational Procedure
Turn ON the power supply after correct installation and wiring and check the operation of the 
Servomotor and Servo Drive individually. 
Then make the function settings as required according to the use of the Servomotor and Servo Drive. 
If user parameters are set incorrectly, there is a risk of unexpected motor operation, which can be 
dangerous. Set user parameters accurately according to the setting methods in this User’s Manual.
Item Description Reference
Mounting and 
installation
Install the Servomotor and Servo Drive according to the installation 
conditions. (Do not connect the Servomotor to mechanical 
systems before checking the operation with no-load.)
Section 4, 4-1
Wiring and 
connections
Connect the Servomotor and Servo Drive to the power supply and 
peripheral equipment.
Specified installation and wiring conditions must be satisfied, 
particularly for models conforming to the EC Directives.
Section 4, 4-2
Preparing for 
operation
Check the necessary items and then turn ON the commercial 
power supply.
Check on the display to see whether there are any internal errors 
in the Servo Drive.
Section 8, 8-2
Function 
settings
Set the user parameters related to the functions required for 
application conditions.
Section 7
Trial operation First, check motor operation with no-load. Then turn the power 
supply OFF and connect the Servomotor to mechanical systems.
Turn ON the power supply again, and check to see whether 
protective functions, such as the immediate stop and operational 
limits, are functioning properly.
Check operation at both low speed and high speed using the 
system without a workpiece, or with dummy workpieces.
Section 8, 8-5
Adjustment Manually adjust the gain if necessary.
Further adjust the various functions to improve the control 
performance.
Section 9
Operation Operation can now be started. 
When any problems occur, refer to Section 10 Troubleshooting and 
Maintenance.
Section 10