Chapter 12 Descriptions of Parameter SettingsC2000 Plus
12.1-01-10
01-34
Zero-Speed Mode
Default: 0
Settings 0: Output waiting
1: Zero-speed operation
2: Minimum frequency (Refer to Pr.01-07 and Pr.01-41)
When the drive’s Frequency command is lower than Fmin (Pr.01-07 or Pr.01-41), the drive
operates according to this parameter.
0: the AC motor drive is in waiting mode without voltage output from terminals U, V, W.
1: the drive executes the DC brake by Vmin (Pr.01-08 and Pr.01-42) in V/F, FOC sensorless, and
SVC modes. And it executes zero-speed operation in VFPG and FOCPG mode.
2: the AC motor drive runs using Fmin (Pr.01-07, Pr.01-41) and Vmin (Pr.01-08, Pr.01-42) in V/F,
VFPG, SVC, FOC sensorless and FOCPG modes.
In V/F, VFPG, SVC and FOC sensorless modes:
In FOCPG mode, when Pr.01-34 is set to 2, the AC motor drive operates according to this
setting.
01-43
V/F Curve Selection
Default: 0
Settings 0: V/F curve determined by Pr.01-00–01-08
1: V/F curve to the power of 1.5
2: V/F curve to the power of 2
3: 60 Hz, voltage saturation in 50 Hz
4: 72 Hz, voltage saturation in 60 Hz
5: 50 Hz, decrease gradually with cube
6: 50 Hz, decrease gradually with square
7: 60 Hz, decrease gradually with cube
8: 60 Hz, decrease gradually with square
9: 50 Hz, medium starting torque
10: 50 Hz, high starting torque
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