LG Electronics SV-iC5 Series manual Protective functions

12. Protective functions

12.4 Output phase loss protection

Group	LED display	Parameter Name			Set		Min/Max		Factory	Unit
					value		setting		default
Function	H19	[Output	phase	loss	1	0/1		0
group 2		protection select]

Set H19 value to 1.

This function turns off the inverter output in the event of more than one phase loss among U, V and W output.

☞Caution :

Set H33- [Motor rated current] correctly. If the actual motor rated current and the value of H33 are different, this function could not be activated.

12.5External trip signal

Group		LED display		Description		Set		Min/Max		Factory	Unit
						Value		setting		default
I/O group		I20		[Multi-function input terminal					0
				P1 define]
	~		~
							0/24
		I23		[Multi-function	input	18			3
				terminal P4 define]
		I24		[Multi-function	input	19			4
				terminal P5 define]

Select a terminal among P1 thru P5 to output external trip signal.

Set I23 and I24 to 18 and 19 to define P4 and P5 as External A contact and B contact.

External trip signal input A contact (N.O) : This is a normally open contact input. When a P4 terminal set to “Ext trip-A” is ON, inverter displays the fault and turns off its output.

External trip signal input B contact (N.C) : This is a normally closed contact input. When a terminal set to “Ext trip-B” is OFF, inverter displays the fault and turns off its output.

P1	FX : I20 = 0
P4	N.O. : I23 = 18
P5	N.C. : I24 = 19
CM

12-5 SV-iC5