Delta C200 Series User Manual page 116

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voltage at the low frequency to prevent motor damage.
Pr.01-35 to Pr.01-42 is the V/f curve for the motor 2. When multi-function input terminals
Pr.02-01~02-08 and Pr.02-26 ~Pr.02-31 are set to 14 and enabled, the AC motor drive will act as
the 2nd V/f curve.
The V/f curve for the motor 1 is shown as follows. The V/f curve for the motor 2 can be deduced
from it.
Voltage Set ting
Voltage Setting
Voltage Setting
Voltage Setting
Common settings of V/f curve:
(1) General purpose
Motor s pec. 6 0Hz
V
220
10
1.5
(2) Fan and hydraulic machinery
Motor spec. 60Hz
V
220
50
10
1.5 30
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Vol tage
1s t Output
01-11 Output Frequency Lower Limit
01-02
F requenc y out put
2nd Output
ranges limit ation
01-04
3r d Output
01-06
4th Output
01-08
01-07 01-09
4t h F req. Start Freq.
Pr. Settin g
01-00
01-01
01-02
01-03
01-05
01-04
01-06
F
01-07
60.0
01-08
Pr.
01-00
01-01
01-02
01-03
01-05
01-04
01-06
F
01-07
60.0
01-08
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Chapter 11 Description of Parameter Settings|C200 Series
01-10
01-05 01-03 01-01
2nd F req. 1st F req.
3rd Fr eq.
V/f Curve
Motor s pec. 5 0Hz
V
220
60.0
60.0
220 .0
1.50
10
10.0
1.50
1.3
10.0
Motor s pec. 5 0Hz
V
Settin g
220
60.0
60.0
220.0
30.0
50
50.0
10
1.50
1.3
10.0
11-17
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Output F requency
Upper Limi t
R egul ar V /f Cur ve
Special V/f C urve
F requenc y
01-00
Maximum Output
F requenc y
Pr.
01-00
01-01
01-02
01-03
01-05
01-04
01-06
F
01-07
50.0
01-08
Pr.
01-00
01-01
01-02
01-03
01-05
01-04
01-06
01-07
F
50.0
25
01-08
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Settin g
50.0
50.0
220 .0
1.30
12.0
1.30
12.0
Setting
50.0
50.0
220 .0
25.0
50.0
1.30
10.0