Nidec Control Techniques Digitax-SF DA21223, Instruction Manual, Page: 300 / 386

17
Digitax SF
Instruction Man
ual
Tuning
7
7. Tuning
2.
Tuning Procedure
2. Tuning Procedure
3. Velocity Control Mode
*）Starting tuning with a low setting of the controller gain set will enable successful tuning with no vibrations
low noise
Auto Tuning on
Digitax SF Connect
Y N
Y
Y
N
N
St
a
ge 2
Start Tuning
Tuning complete
Final Tuning
Operation 1A
Confirm
Write to the
drive
Is the motor quiet?
Acceptable motion?
Manually Input
Manually enter
the inertia ratio.
Is the inertia ratio known?
Operation 1B
Inertia ratio
Auto tuning
Auto tuning
（Wait for the inertia ratio estimate to converge.）
Operation 2
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And/or
Visually check the actual motion
or
① Set Control Gain Set to "5"
② Enter the inertia ratio
① Set Control Gain Set to "5"
② Setting Tuning Mode
Let the equipment system move.
If abnormal vibration with loud noise occurs
・Decrease the inertia ratio
・Set Inertia Condition to 1
(*) (*)
・If position error occurs
Handle the error by, for example, decreasing
the rotational speed to about 1,000
rpm
.
・Check the motor motion by test operation
or external command input.
・Repeat the system entire motion several times.
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:DYHIRUPPRQLWRU
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・Shorter settling time
・Better responsiveness
Click the Quick Tuning in the Tuning t
a
b.
Stage 1 Setting the Inertia ratio and Optimizing Control Gain Set