Chapter 12 Description of Parameter Settings
MH300
1: during deceleration, the drive controls the motor according to the setting of Pr.06-01 and the
voltage recovery rate of the DC bus. The controller starts when the DC bus voltage reaches 95%
of Pr.06-01. When Pr.06-01 is set to 0, the drive controls the motor according to the operating
voltage and the voltage recovery rate of the DC bus. This method decelerates according to the
setting for the deceleration time. The fastest actual deceleration time is not less than the
deceleration time setting.
2: during deceleration, the drive controls the motor according to the setting of Pr.06-01 and the
voltage recovery rate of the DC bus. The controller starts when the DC bus voltage reaches 95%
of Pr.06-01, auto-tunes the output frequency and the output voltage to accelerate consumption of
the regenerative energy according to the drive’s capability, and the deceleration time is the result
of the drive’s auto-tuning. Use this setting when over-voltage occurs due to unexpected
deceleration time.
V/F separated mode, Voltage Input Percentage
Default: 50.00
Settings 0–100.00
For V/F absolutely separation, the rated voltage of Pr.01-02 corresponds to 100%, and for half
separation, the original FV conversion slope corresponds to 100%.
VF separated mode, Voltage Input Source Selection
Default: 0
Settings 0: Digital Keypad
1: RS-485 communication
2: Reserved
3: AVI Analog input
4: ACI Analog input
5: Reserved
6: CANopen communicaton
7: Communication Card
VF separated mode, Voltage increasing time
Default: 0
Settings 1.00–600.00
VF separated mode, Voltage decreasing time
Default: 0
Settings 1.00–600.00
VF separated mode stop method
Default: 0
Settings 0: voltage decrease to 0 first, then frequency decrease to 0.
1: voltage and frequency decrease to 0 at the same time