Setting The V/F Pattern - Omron VARISPEED G7 Instruction Manual

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
Name
Con-
stant
Display
Number
Input volt-
Set the Inverter input voltage in 1 volt.
age setting
E1-01 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
E1-03
F: Custom user-set patterns (Applicable
V/F Selec-
for settings E1-04 to E1-10.)
tion
Max. output
frequency
E1-04
Max
Frequency
Max. voltage
E1-05
Max Voltage
Base
Output voltage (V)
frequency
E1-06
Base
Frequency
Mid. output
frequency
E1-07
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.
E1-08
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
E1-09
Min
Frequency
Min. output
frequency
E1-10
voltage
Min Voltage
Description
patterns.
40.0 to
400.0
400.0
Frequency (Hz)
255.0
400.0
Change
Setting Factory during
Range Setting Opera-
V/f
tion
155 to
200 V
No Q
255
*1
*1
0 to F F No Q
60.0 Hz
No Q
*5
*2
0.0 to
200.0 V
No Q
255.0
*1*2
*1
0.0 to
60.0 Hz
No Q
*5
*2
0.0 to
3.0 Hz
No A
400.0
*2
0.0 to
11.0 V
No A
*1
*1 *2
0.0 to
0.5 Hz
No Q
*5
*2
0.0 to
2.0 V
No A
255.0
*1 *2
*1
Individual Functions
Control Methods
Open Open
V/f Flux
Loop Loop
with Vec-
Vector Vector
PG tor
1 2
Q Q Q Q
Q No No No
Q Q Q Q
Q Q Q Q
Q Q Q Q
A A No No
A A No No
Q Q A Q
A A No No
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