Chapter 12 Description of Parameter Settings
MH300
11 Advanced Parameters
In this parameter group, ASR stands for Adjust Speed Regulator.
You can set this parameter during operation.
Default: 0
Settings bit 0: Auto-tuning for ASR
bit 1: Inertia estimate (only in FOCPG mode)
bit 2: Zero servo
bit 3: Dead time compensation closed
bit 7: Save or do not save the frequency
bit 0 = 0: Manual adjustment for ASR gain, Pr.11-06–Pr.11-11 are valid and Pr.11-03–Pr.11-05 are
invalid.
bit 0 = 1: Auto-adjustment for ASR gain, the system automatically generates an ASR setting,
Pr.11-06–Pr.11-11 are invalid and Pr.11-03–Pr.11-05 are valid.
When the drive needs to keep a certain torque at zero-speed, or it needs a steady frequency
output at extreme low speed, increase Pr.11-05 zero-speed bandwidth appropriately. When the
speed is in high-speed area, if the output current trembles seriously and makes the drive vibrate,
then decrease the high-speed bandwidth.
For example:
Manual gain
Response:
[Pr.11-10, Pr.11-11] > [Pr.11-06, Pr.11-07] > [Pr.11-08, Pr.11-09]
Auto gain Pr.11-05 = 15 Hz, Pr.11-03 = 10 Hz, Pr.11-04 = 8 Hz
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