Chapter 11. Monitoring

2: FDT-3

It activates when run frequency meets the following condition.

Active condition: Absolute value (FDT level - run frequency) <= FDT Bandwidth/2

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 30.0Hz and 10.0 Hz, respectively

30Hz

Freq.

MO

Run command

35Hz

25Hz

3: FDT-4

Become active when run frequency meets the following condition. Active condition

Accel time: Run Frequency >= FDT Level

Decel time: Run Frequency > (FDT Level – FDT Bandwidth/2)

Group

LED

Description

Set

Display

value

 

 

I/O group

 

I52

 

[Frequency

Detection

-

 

 

 

 

 

level]

 

 

 

 

 

 

 

 

 

 

 

 

 

I53

 

[Frequency

Detection

-

 

 

 

 

 

Bandwidth]

 

 

 

 

 

 

 

 

 

 

ƒCannot be set above F21- [Max Frequency].

Min/Max

range

0/400

 

 

 

 

 

 

 

Factory

 

 

Unit

 

 

default

 

 

 

 

 

 

 

 

30.0

 

 

Hz

 

 

 

 

10.0

 

 

 

 

 

 

 

 

 

 

 

 

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

30Hz

Freq.

MO

Run command

25Hz

4: FDT-5

Activated as B contact contrast to FDT-4.

Active condition

Accel time: Run Frequency >= FDT Level

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Image 107
LG Electronics C Series manual Description Set Display, Group I52 Frequency Detection Level I53 Bandwidth