LG C Series User Manual
Page 45
Chapter 7. Function list
Function group 1
LED
display
Parameter
name
Min/Max
range
Description
Factory
defaults
Adjustable
during run
Page
F24 [Frequency
high/low limit
select]
0/1
This parameter sets high and low limit of
run frequency.
0 X
9-19
F25
2)
[Frequency
high limit]
0/400
[Hz]
This parameter sets high limit of the run
frequency.
It cannot be set above F21 – [Max
frequency].
60.0 X
F26 [Frequency
low
limit]
0/400
[Hz]
This parameter sets low limit of the run
frequency.
It cannot be set above F25 - [Frequency
high limit] and below F23 – [Start frequency].
0.5 X
9-19
0 Manual
torque
boost
F27 [Torque
Boost
select]
0/1
1
Auto torque boost
0 X
9-17
F28 [Torque
boost
in forward
direction]
0/15 [%]
This parameter sets the amount of torque
boost applied to a motor during forward run.
It is set in percent of Max output voltage.
5 X
9-17
F29 [Torque
boost
in reverse
direction]
This parameter sets the amount of torque
boost applied to a motor during reverse run.
It is set as a percent of Max output
voltage
5 X
9-17
0 {Linear}
9-15
1 {Square}
9-15
F30 [V/F
pattern]
0/2
2 {User
V/F}
0 X
9-16
F31
3)
[User V/F
frequency 1]
0/400
[Hz]
15.0 X
F32 [User
V/F
voltage 1]
0/100 [%]
25
X
F33 [User
V/F
frequency 2]
0/400
[Hz]
30.0 X
F34 [User
V/F
voltage 2]
0/100 [%]
50
X
F35 [User
V/F
frequency 3]
0/400
[Hz]
45.0 X
F36 [User
V/F
voltage 3]
0/100 [%]
75
X
F37 [User
V/F
frequency 4]
0/400
[Hz]
60.0 X
F38 [User
V/F
voltage 4]
0/100 [%]
This parameter is active when F30 – [V/F
pattern] is set to 2 {User V/F}.
It cannot be set above F21 – [Max
frequency].
The value of voltage is set in percent of
H70 – [Motor rated voltage].
The values of the lower-numbered
parameters cannot be set above those of
higher-numbered.
100 X
9-16
F39 [Output
voltage
adjustment]
40/110
[%]
This parameter adjusts the amount of
output voltage.
The set value is the percentage of input
voltage.
100 X
9-16
F40 [Energy-saving
level]
0/30 [%]
This parameter decreases output voltage
according to load status.
0 0
10-
12
F50 [Electronic
thermal
select]
0/1
This parameter is activated when the
motor is overheated (time-inverse).
0 0
12-1
2) Only displayed when F24 (Freq High/Low limit select) is set to 1.
3): Set F30 to 2 (User V/F) to display this parameter.
F51
4)
[Electronic
thermal level
for 1 minute]
50/200
[%]
This parameter sets max current capable
of flowing to the motor continuously for 1
minute.
The set value is the percentage of H33 –
[Motor rated current].
It cannot be set below F52 –[Electronic
thermal level for continuous].
150 0
12-1
45