LG C Series User Manual

Page 108

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Chapter 11. Monitoring

Decel time: Run Frequency > (FDT Level – FDT Bandwidth/2)

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


ƒ It cannot be set above F21- [Max Frequency].



When setting I52, I53 to 30.0 Hz and 10.0Hz, respectively

Freq.

MO

Run

command

25Hz

30Hz

5: Overload {OL}



Refer to Page 12-2 Overload Warning and trip

6: Inverter Overload {IOL}



Refer to Page 12-6 Inverter Overload

7: Motor Stall {STALL}



Refer to Page 12-3 Stall prevention

8: Over voltage Trip {Ovt}



Become active when DC link voltage exceeded 400V and led to Over voltage trip.

9: Low voltage Trip {Lvt}



Become active when DC link voltage decreased to 200V and led to Low voltage trip.

10: Inverter heatsink overheating {OHt}



Become active when overheated inverter heatsink triggers protection function.

11: Command Loss



Become active when frequency command is lost.

108

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