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Hitachi J300U Series User Manual

Page 59

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7-19

Contents and display

Extension

function

code

1

2

1

2

FUNC

FUNC

Electronic
thermal
level
adjustment

Set the electronic thermal level. Set the thermal level in accordance with the rated current of the
motor in units of 1 (%).

Adjustment level =

Motor rated current

Inverter rated current

100

Initial value

0

Inverter current (A)

Inverter rated current

Setting method

20

100

150

200

20%

120%

1

2

1

2

FUNC

FUNC

Electronic
thermal
character-
istic
selection

Select the electronic thermal characteristics. Set the thermal characteristics in accordance with
the load to be used. For free setting of set value 2, the current and frequency can be set by each
remote operator.

Initial value

Setting method

Initial value

Set value

Function

0

Constant torque characteristic

1

Reduced torque characteristic

2

Free setting

(Can be set by the remote operator)

100

80

60

0

5

20

60

120

Output current (%)

Output frequency (Hz)

Reduced torque

characteristic

Constant torque

characteristic

(Each characteristic
at 60 Hz or more is 100%.)

Motor
poles
setting
for motor
speed
monitor

Time(s)

1

2

1

2

FUNC

FUNC

Set the pole number of motor to convert output frequency into motor rotation speed on monitor
mode funciton

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 32, 36, 48

Initial value

Setting method

.

Settable numbers