LG Electronics SV-iC5 Series manual Monitoring

11. Monitoring

4 : FDT-5

Activated as B contact contrast to FDT-4.

Active condition

Accel time: Run Frequency >= FDT Level

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

Group	LED Display	Parameter Name		Set	Min/Max		Factory	Unit
				value	range		default
I/O group	I52	[Frequency	Detection	-		30.0
		Level]
					0/400			Hz
	I53	[Frequency	Detection	-		10.0
		Bandwidth]
It cannot be set above F21- [Max Frequency].
	When setting I52, I53 to 30.0 Hz and 10.0Hz, respectively

30Hz

Freq.

MO Run command

25Hz

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.

11-9 SV-iC5