Yaskawa Matrix Converter - Manual (Page 99)

4
-16
* 1. Use these values for 200 V class MxCs. For 400 V class MxCs, use a value that is twice as large as that for those in the 200 V class.
* 2. If the control mode is changed, the default settings also change. The values shown in the table are the default settings for Open Loop Vector Control.
Parameter
Number
Name
Setting Range Default
Setting example if low torque
near 12 Hz Display
E1-05
Maximum Output Frequency
(VMAX)
0.0 to 255.0 *1
200.0
VAC *1 *2
200 *1
Max Frequency
E1-06
Base Frequency (FA)
0.0 to 120.0 60.0 Hz
*2 60
Base Frequency
E1-07
Mid Output Frequency (FB)
0.0 to 120.0 3.0 Hz *2 12
Mid Frequency A
E1-08
Mid Voltage (VC)
0.0 to 255.0 *1
13.0
VAC *1 *2
If K= 1.1, then set to 44.
If K= 1.2, then set to 48.
If K= 1.3, then set to 52.
If K= 1.4, then set to 56.
*1
Mid Voltage A
IMPORTANT
1. If the value in E1-08 is too large, the excitation current of the motor will be high. A large current also
occurs in operations without a load.
2. The level of magnetic saturation depends on the type of motor that is used. If changing the setting of
E1-08, first set K to 1.1. If the setting of K is too large, a high current occurs in operations without a
load and results in poor efficiency.