Inovance MD280NT3.7GB - Page 108

MD280 User Manual Description of Function Codes
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Figure 6-2 Manual torque boost
Output
frequency
Output
voltage
Vb
fbf1
V1
f1: Cutoff frequency of
manual torque boost
fb: Rated running
frequency
Vb: 0D[LPXP
output voltage
V1: Voltage of
manual torque boost
Function Code Parameter Name Setting Range Default
F1-07 0XOWLSRLQW9)IUHTXHQF\I 0.00 Hz to F1-09 0.00 Hz
F1-08 0XOWLSRLQW9)YROWDJHY 0.0%–100.0% 0.0%
F1-09 0XOWLSRLQW9)IUHTXHQF\I F1-07 to F1-11 0.00 Hz
F1-10 0XOWLSRLQW9)YROWDJHY 0.0%–100.0% 0.0%
F1-11 0XOWLSRLQW9)IUHTXHQF\I F1-09 to F1-03 0.00 Hz
F1-12 0XOWLSRLQW9)YROWDJHY 0.0%–100.0% 0.0%
7KHVHVL[SDUDPHWHUVDUHXVHGWRGH¿QHWKHPXOWLSRLQW9)FXUYH
The frequency range corresponds to 0.00 Hz to the rated motor frequency, and the voltage
range 0.0%–100.0% corresponds to 0 V to the rated motor voltage.
The multi-point V/F curve is set based on the motor’s load characteristic. Pay attention to
the following aspects during the setting:
 YYYIII7RHQVXUHFRUUHFWVHWWLQJVHW)¿UVWDQGWKHQ)DQG
F1-07.
 At low frequency, higher voltage may cause overheat or even burnt out of the motor
and overcurrent stall or overcurrent protection of the AC drive.
Figure 6-3 Setting of multi-point V/F curve
Frequency %
Voltage
%
v3
fbf1
v1
vb: Rated motor voltage
v1-v3: 1st, 2nd and 3rd voltage
percentages of multi -point V/F
fb: Rated motor running frequency
f2 f3
v2
vb
f1-f3: 1st, 2nd and 3rd frequency
percentages of multi -point V/F
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