12-11
12-2 Parameter List
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
  12
Appendix
12-2 Parameter List
 Some parameters are enabled by turning the power supply OFF and then ON again. (Those
parameters are indicated in the table.) After changing these parameters, turn OFF the power
supply, confirm that the power supply indicator has gone OFF, and then turn ON the power supply
again.
 Do not change the parameters marked "Reserved". Do not change the settings marked
"Reserved".
Basic Setting Parameters
Pn number
Parameter 
name
Description
Default 
setting
Unit
Setting 
range
Power 
supply 
OFF to 
ON
000
Rotation 
Direction 
Switching
Set the relation between the command 
direction and the motor rotation direction.
1 − 0 or 1 Yes
0
A forward direction command sets the 
direction to CW as viewed from the shaft end
1
A forward direction command sets the 
direction to CCW as viewed from the shaft 
end
001
Control Mode 
Selection
Select the Servo Drive control mode.
0 − 0 to 6 Yes
0 Position control (pulse train command)
1 Speed control (analog command)
2 Torque control (analog command)
3
No. 1: Position control
No. 2: Speed control
4
No. 1: Position control
No. 2: Torque control
5
No. 1: Speed control
No. 2: Torque control
6 Fully-closed control
002
Realtime 
Autotuning 
Mode Selection 
Set the operation mode for realtime autotuning.
1 − 0 to 6 −
0 Disabled
1 Emphasizes stability
2 Emphasizes positioning
3
If there is an unbalanced load like in a 
vertical axis.
4 Used when friction is large.
5
Used when there is an unbalanced load, 
such as a vertical axis, and friction is large.
6
Used to customize the Realtime 
Autotuning Mode.
003
Realtime 
Autotuning Machine 
Rigidity Setting
Set the machine rigidity for executing 
realtime autotuning.
See 
Note 1
− 0 to 31 −
004 Inertia Ratio
Set the load inertia as a percentage of the 
motor rotor inertia.
250 %
0 to 
10,000
−