12. Protective functions

12.7Frequency command loss

 

Group

 

 

LED display

 

 

Parameter Name

 

 

Set

 

 

Min/Max

 

 

Factory

 

 

Unit

 

 

 

 

 

 

 

 

value

 

 

setting

 

 

default

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O group

 

 

I16

 

 

[Criteria for

analog

input

 

0

 

0/2

 

0

 

 

 

 

 

 

 

 

 

 

signal loss]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Drive

mode

select

after

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I62

 

 

loss

of

frequency

 

-

 

0/2

 

0

 

 

 

 

 

 

 

 

 

 

 

command]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I63

 

 

[Wait

time after loss of

 

-

 

1/12

 

1.0

 

 

Sec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

frequency command]

 

 

 

 

0/17

 

 

 

 

 

 

 

 

 

 

 

I54

 

 

[Multi-function

output

11

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

terminal select]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I55

 

 

[Multi-function relay select]

11

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Select the Drive mode when frequency reference set via V1 and I or (V1+I) input terminal or communication

option is lost.

I16 : This is to set the criteria for analog input signal loss when frequency reference is given by V1, I, V1+I or Communication option.

I16

[Criteria for analog

0

Disabled (Does not check the analog input signal loss)

 

input signal loss]

 

 

 

1

When less than the value set in I 2, I 7, I 12 is entered

 

 

 

 

 

 

2

When below the value set in I 2, I 7, I 12 is entered

 

 

 

 

EX 1) The inverter determines that the freq reference is lost when DRV- Frq is set to 3 (Analog V1 input), I 16 to 1 and analog input signal is less than half of the minimum value set in I 7.

EX 2) The inverter determines that the freq reference is lost when DRV- Frq is set to 6 (V1+I), I 16 to 2 and V1 input signal is either below the minimum value set in I 7 or I input value is less than the I 12 value.

I62 : When no frequency command is given for the time set in I63, set the drive mode as the table below.

12-7

SV-iC5

Page 125
Image 125
LG Electronics SV-iC5 Series manual Frequency command loss

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