- LG Inverter Instructions Manual

11. Monitoring
11-7 SV-iC5
 I56: When 17 {Fault display} is selected in I54 and I55, Multi-function output terminal and relay will
be activated with the value set in I56.
0 : FDT-1
 Check whether the output frequency of the inverter matches the user-setting frequency.
 Active condition: Absolute value (preset frequency - output frequency) <= Frequency Detection
Bandwidth/2
Group LED Display Parameter Name
Set
value
Min/Max
range
Factory
default
Unit
I/O group
I53
[Frequency Detection
Bandwidth]
-
0/400
10.0 Hz
 Cannot be set above Max frequency (F21).
 When setting I53 to 10.0
1 : FDT-2
 It activates when the preset frequency matches frequency detection level (I52) and FDT-1 condition
is met.
 Active condition: (Preset frequency = FDT level) & FDT-1
Group LED Display Parameter Name
Set
value
Min/Max
range
Factory
default
Unit
I52
[Frequency Detection
Level]
-
30.0
I/O group
I53
[Frequency detection
bandwidth]
-
0/400
10.0
Hz
 It cannot be set above F21- [Max frequency].
 When setting I52 and I53 to 30.0 Hz and 10.0 Hz, respectively
25Hz
Freq.
setting
Freq.
MO
30Hz
50Hz
Run
command
15Hz
Freq.
setting
Freq.
MO
20Hz
40Hz
20Hz
40Hz
35Hz
Run
command