Learning Basic Features
77
Lea
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890054-00-00
GM2 Series VFD
User V/F Pattern Operation
The inverter allows the configuration of user-defined V/F patterns to suit the characteristics of
special motors/loads.
Group Code
Name
Setting
Setting Range
Unit
bA
07 V/F pattern
2 User V/F
0
–
3
-
41 User Frequency 1 15.00
0
–
Max Frequency
Hz
42 User Voltage 1
25
0
–
100
%
43 User Frequency 2 30.00
0
–
Max Frequency
Hz
44 User Voltage 2
50
0
–
100
%
45 User Frequency 3 45.00
0
–
Max Frequency
Hz
46 User Voltage 3
75
0
–
100
%
47 User Frequency 4 Maximum frequency
0
–
Max Frequency
Hz
48 User Voltage 4
100
0
–
100%
%
User V/F Pattern Setting Details
Code and
Features
Description
bA.41
User Freq 1 ~
bA.48
User Volt 4
Select arbitrary frequencies between the start and the maximum
frequencies to set the user frequency (User Freq x). Set the voltage to
correspond to each user frequency with user voltage (User Volt x).
The 100% output voltage in the figure below is based on the parameter settings of bA.15 (motor
rated voltage). If bA.15 is set to 0 it will be based on the input voltage.
•
When a normal induction motor is in use, care must be taken not to configure the output pattern
away from a linear V/F pattern. Non-linear V/F patterns may cause insufficient motor torque or
motor overheating due to over-excitation.
•
With a user V/F pattern is in use, forward torque boost (dr.16) and reverse torque boost (dr.17) do
not operate.
Содержание RSi GM2 Series
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