LG Electronics C Series manual Default Group I53 Frequency Detection 400 10.0 Bandwidth

Chapter 11. Monitoring

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	Parameter Name	Set		Min/Max		Factory	Unit
		Display		value		range		default
I/O group		I53	[Frequency Detection	-	0/400		10.0		Hz
			Bandwidth]

ƒ Cannot be set above Max frequency (F21).
When setting I53 to 10.0		40Hz
		20Hz
	Freq.
	setting	40Hz
		35Hz
	15Hz	20Hz
	Freq.
	MO
	Run
	command

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	Parameter Name	Set	Min/Max	Factory	Unit
	Display		value	range	default

I/O group	I52	[Frequency	Detection	-		30.0
		Level]			0/400		Hz
	I53	[Frequency	detection	-		10.0
		bandwidth]

ƒIt cannot be set above F21- [Max frequency].

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

50Hz

Freq.30Hz setting

25Hz

Freq.

MO

Run command

106