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Setting the V/f Pattern
In V/f control method, you can set the Inverter input voltage and the V/f pattern as the need arises.
Related Constants
Con-
stant
Number
E1-01
E1-03
E1-04
E1-05
E1-06
E1-07
E1-08
E1-09
E1-10
-116
6
Name
Description
Display
Input volt-
Set the Inverter input voltage in 1 volt.
age setting
This setting is used as a reference value
in protection functions.
Input Voltage
V/f pattern
0 to E: Select from the 15 preset
selection
patterns.
F: Custom user-set patterns (Applicable
V/F Selec-
for settings E1-04 to E1-10.)
tion
Max. output
frequency
Max
Frequency
Max. voltage
Max Voltage
Base
Output voltage (V)
frequency
Base
Frequency
Mid. output
frequency
Mid
Frequency A
To set V/f characteristics in a straight
Mid. output
line, set the same values for E1-07 and
frequency
E1-09. In this case, the setting for E1-08
voltage
will be disregarded.
Always ensure that the four frequencies
Mid Voltage
are set in the following manner:
A
E1-04 (FMAX) ≥ E1-06 (FA) > E1-07
(FB) ≥ E1-09 (FMIN)
Min. output
frequency
Min
Frequency
Min. output
frequency
voltage
Min Voltage
Setting
Factory
Range
Setting
155 to
200 V
255
*1
0 to F
40.0 to
60.0 Hz
400.0
*5
0.0 to
200.0 V
255.0
*1*2
*1
0.0 to
60.0 Hz
400.0
*5
0.0 to
3.0 Hz
400.0
Frequency (Hz)
0.0 to
11.0 V
*1
255.0
*1 *2
0.0 to
0.5 Hz
400.0
*5
0.0 to
2.0 V
255.0
*1 *2
*1
Control Methods
Change
Open
during
V/f
Loop
Opera-
V/f
with
Vector
tion
PG
1
No
Q
Q
Q
*1
F
No
Q
Q
No
No
Q
Q
Q
*2
No
Q
Q
Q
No
Q
Q
Q
*2
No
A
A
A
*2
No
A
A
A
No
Q
Q
Q
*2
No
A
A
A
Open
Flux
Loop
Vec-
Vector
tor
2
Q
Q
No
No
Q
Q
Q
Q
Q
Q
No
No
No
No
A
Q
No
No
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