LG C Series User Manual

Page 62

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Chapter 9. Basic functions

z Analog Frequency setting via Voltage analog input (0-10V) or potentiometer on the VR terminal

Group

LED Display

Parameter Name

Set

Value

Min/Max

Range

Factory

Defaults

Unit

0.0 [Frequency

command]

- -

- Hz

Drive
group

Frq

[Frequency mode]

3

0/8 0

I 6

[Filtering time constant for V1
input]

10 0/9999 10

I 7

[V1 input minimum voltage]

-

0/10

0

V

I 8

[Frequency corresponding to I 7]

- 0/400 0.0 Hz

I 9

[V1 input max voltage]

- 0/10 10 V

I/O
group

I10

[Frequency corresponding to I 9]

- 0/400 60.0 Hz

ƒ Select

Frq -[Frequency Mode] to 3 {Frequency setting via V1 terminal}.

ƒ The 0-10V input can be directly applied from an external controller or a potentiometer (between VR

and CM terminals).



Wire the terminal as shown below and refer to page 9-2 for I 6 - I10.

VR

V1

CM

When connecting potentiometer to
terminals VR and CM

V1

CM

Analog Voltage Input (0-10V)

z Frequency Setting via Analog Current Input (0-20mA)

Group

LED Display

Parameter Name

Set

Value

Min/Max

Range

Factory

Defaults

Unit

0.0 [Frequency

Command]

- -

- Hz

Drive
group

Frq

[Frequency Mode]

4

0/8 0

I11

[Filtering time constant for I input]

10 0/9999

10

I12

[I input minimum current]

- 0/20 4 mA

I13

[Frequency corresponding to I 12]

- 0/400 0.0 Hz

I14

[I input max current]

- 0/20 20 mA

I/O
group

I15

[Frequency corresponding to I 14]

- 0/400 60.0 Hz

ƒ Select

Frq – [Frequency Mode] to 4 {Current Analog Input (0-20mA)}.

ƒ Frequency is set via 0-20mA input between I and CM terminals.

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