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Hitachi J300U Series User Manual

Page 66

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7-26

Contents and display

Extension

function

code

1

1

FUNC

FUNC

.

.

Gain adjusting range

P

0.0 to 5.0

I

0.0 to 15.0 s

D

0 to 100.0

PID

control

selection

.

2

2

These functions are used to set PID control operation gains.

P (Proportional) gain, I (Integral)

gain, D (Differential) gain

Set each gain.

Setting method

Initial value

1

2

FUNC

FUNC

Selection
of reset
terminal
perfor-
mance

Possible to select a performance of a release timing of alarm signal when giving reset signal
from [RS] terminal

Initial value

Set value

Performance

Reset signal
from [RS]
terminal
Alarm
output

Reset signal
from [RS]
terminal
Alarm
output

,

,

,,

Propor-
tional gain
setting

Integral
gain
setting

Differential
gain setting

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".

Feed-back signal

input terminal

0

1

2

3

4

Built-in PID function disabled.

Setting

value

I (Integral) gain

magnification

Ч

1

Ч

1

Ч

10

Ч

10

Analog current (OI-L)

Analog voltage (O-L)

Analog current (OI-L)

Analog voltage (O-L)

Note 1:
Note 2:

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

1

FUNC

FUNC

2

Setting method

Initial value