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(2) V/F Curve Selection (Sn-02)
• V/F curve is selected by the setting of Sn-02. When V/F curve is selected, always set input
voltage of the AC drive to Cn-01.
• Sn-02= 0~3: pre-set V/F curve pattern.
Sn-02= 4: V/F pattern is set by the user (see parameters Cn-02~Cn-08).
Table 12: V/F curve of 230V class
Sn-02 Setting
Specifications
V/F Pattern
0
50Hz, Saturation Variable Torque
(quadratic monotonically
decreasing curve)
1
50Hz, Saturation Variable Torque
(cubic monotonically decreasing curve)
2
60Hz, Saturation Variable Torque
(quadratic monotonically
decreasing curve)
3
60Hz, Saturation Variable Torque
(cubic monotonically decreasing curve)
*1. Consider the following items as the conditions for selecting a V/F pattern.
They must be suitable for:
1. The voltage and frequency characteristic of the motor.
2 The maximum speed of the motor.
*2. For 460V class, 2 times voltage value shown in table above.
2-32
PA 7300
PART II: OPERATION MANUAL
1.3 25 50 (Hz)
(V)
55
38
10
8
0
1
1.5 30 60 (Hz)
(V)
230*2
230*2
55
38
9
8
2
3
Содержание PA7300 Series
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