Extension

function

code

Contents and display

Possible to select a performance of a release timing of alarm signal when giving reset signal

Selection of reset terminal perfor- mance

from [RS] terminal

FUNC

Initial value

 

2

 

 

1

 

 

 

 

 

 

 

 

 

 

FUNC

Set value

Reset signal from [RS] terminal Alarm output

Reset signal from [RS] terminal Alarm output

Performance

These functions are used to set PID control operation gains.

P (Proportional) gain, I (Integral)

gain,

D (Differential) gain

Set each gain.

Setting method

.

 

Gain adjusting range

 

 

P

0.0 to 5.0

 

 

I

0.0 to 15.0 s

 

 

D

0 to 100.0

 

 

Propor- tional gain setting

Integral gain setting

Differential gain setting

PID

 

2

1

 

 

 

 

FUNC

FUNC

 

 

 

 

 

 

.

 

 

 

 

 

 

 

 

 

 

 

 

 

Initial value

 

 

 

2

 

 

 

1

 

 

 

 

 

 

 

.

This function is used to control the PID functions incorporated in the inverter.

This function is also used to select a feed-back signal input and set a magnification of the integral gain setting value.

For details of PID control, refer to "Appendix 8 PID Control Functions".

control

selection

Setting method

 

2

 

 

 

1

FUNC

 

 

 

 

Initial value

FUNC

Setting

Feed-back signal

I (Integral) gain

value

input terminal

magnification

 

 

 

0

Built-in PID function disabled.

 

 

 

1

Analog current (OI-L)

× 1

 

 

 

2

Analog voltage (O-L)

× 1

 

 

 

3

Analog current (OI-L)

× 10

 

 

 

4

Analog voltage (O-L)

× 10

 

 

 

Note 1: Set "0" for the use of a PID optional board.

Note 2: Do not assign a feed-back signal input and an target frequency command to the same terminal. If assigned, the PID function will be disabled.

7-26

Page 66
Image 66
Hitachi J300U Series instruction manual Pid