Nidec Control Techniques Digitax-SF DA21223, Instruction Manual

Page: 297 / 386

14
Digitax SF
Instruction Man
ual
7. Tuning
2. Tuning Procedure
Y N
Y
Y
N
N
Stage 2
Start Tuning
Tuning complete
Final Tuning
Operation 1A
Confirm
Write to the
drive
・Shorter settling time
・Better responsiveness
・Less/no vibration
Is the motor quiet?
Acceptable motion?
① Set Control Gain Set to "5"
② Enter an inertia ratio value
Manually enter
the inertia ratio.
Is the inertia ratio known?
Operation 1B
Inertia ratio
Quick tuning
Quick Tuning
① Set the Inertia Condition
② Control gain set according to the inertia ratio automatically
③ Set the Tuning Items
Wait until the motion becomes stable
・If position error occurs
Handle the error by, for example, decreasing
the rotational speed to about 1,000
rpm
.
Operation 2
Visually check the motion etc.
（Performed by
Digitax SF Connect
Auto Tuning Mode
Saving parameters
Quick Tuning Mode
Let the equipment system move.
・Check the motor motion by test operation
or external command input.
・Repeat the system entire motion several times.
Manually Input
If abnormal vibration with loud noise occurs
・Decrease the inertia ratio
(*)
Quick Tuning on Setup Panel
Stage 1 Setting the Inertia ratio and Optimizing Control Gain Set
*）Starting tuning with a low setting of the controller gain set will enable successful tuning with no vibrations
and low
noise�