LG C Series User Manual
Page 92
10. Advanced functions
10.11 Speed Search
Group
LED Display
Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
H22
[Speed Search Select]
-
0/15 0
H23
[Current level during
Speed search]
- 80/200 100 %
H24
[P gain during Speed
search]
- 100
Function
group 2
H25
[I gain during speed
search]
-
0/9999
1000
I54
[Multi-function output
terminal select]
15 12
I/O group
I55
[Multi-function relay
select]
15
0/20
17
This is used to prevent possible fault from occurring if the inverter outputs the output voltage during
operation after the load is removed.
The inverter estimates the motor rpm based on output current, so detecting exact speed is difficult.
The following table shows 4 types of Speed search selection.
Speed search
during H20 –
[Power ON
start]
Speed search
during Instant
Power Failure
restart
Speed search
during H21-
[Restart after
fault reset]
Speed search
during
Acceleration
Bit 3
Bit 2
Bit 1
Bit 0
0 -
-
-
-
1 -
-
-
9
2 -
-
9
-
3 -
-
9
9
4 -
9
- -
5 -
9
-
9
6 -
9
9
-
7 -
9
9
9
8
9
- - -
9
9
- - 9
10
9
-
9
-
11
9
-
9
9
12
9
9
- -
13
9
9
-
9
14
9
9
9
-
H22 [Speed
search
select]
15
9
9
9
9
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