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

Page 123
Image 123
LG Electronics SV-iC5 Series manual Group LED display Description Set Min/Max Factory Unit

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