LG C Series User Manual
Page 50
Chapter 7. Function list
Function group 2
LED
display
Parameter
Name
Min/Max
Range
Description
Factory
defaults
Adjustable
during run
Page
H51
[P gain for
PID controller]
0/999.9
[%]
300.0 O
10-8
H52 [Integral
time
for PID
controller
(I gain)]
0.1/32.0
[sec]
1.0 O
10-8
H53 Differential
time for PID
controller
(D gain)
0.0 /30.0
[sec]
This parameter sets the gains for the
PID controller.
0.0 O
10-8
H54
F gain for PID
controller
0/999.9
[%]
This is the Feed forward gain for the PID
controller.
0.0 O
10-8
H55 [PID
output
frequency
limit]
0/400
[Hz]
This parameter limits the amount of the
output frequency thru the PID control.
The value is settable within the range of
F21 – [Max frequency] and H23 – [Start
frequency].
60.0 O
10-8
0
The Accel/Decel time is the time that
takes to reach the F21 – [Max
frequency] from 0 Hz.
H70 [Frequency
Reference for
Accel/Decel]
0/1
1
The Accel/Decel time is the time that
takes to reach a target frequency
from the run frequency.
0 X
9-10
0
Unit: 0.01 second.
1
Unit: 0.1 second.
H71 [Accel/Decel
time scale]
0/2
2
Unit: 1 second.
1 O
9-11
This parameter selects the parameter to
be displayed on the keypad when the input
power is first applied.
0 Frequency
command
1 Accel
time
2 Decel
time
3 Drive
mode
4 Frequency
mode
5
Multi-Step frequency 1
6
Multi-Step frequency 2
7
Multi-Step frequency 3
8 Output
current
9 Motor
rpm
10
Inverter DC link voltage
11
User display select
12 Fault
display
H72 [Power
on
display]
0/13
13
Direction of motor rotation select
0 O
11-2
One of the following can be monitored
via vOL - [User display select].
0 Output
voltage
[V]
1
Output power [kW]
H73 [Monitoring
item select]
0/2
2
Torque [kgf
⋅ m]
0 O
11-2
H74 [Gain
for
Motor rpm
display]
1/1000
[%]
This parameter is used to change the
motor speed display to rotating speed
(r/min) or mechanical speed (m/mi).
100 O
11-1
H79 [Software
version]
0/10.0
This parameter displays the inverter
software version.
X.X X
H81 [2
nd
motor
Accel time]
0/6000
[sec]
This parameter is active when the
selected terminal is ON after I20-I24 is set
d
5.0 O
10-
16
100
74
31
120
H
H
f
RPM
Ч
⎟
⎠
⎞
⎜
⎝
⎛
Ч
=
50