Hitachi J300U Series instruction manual Extension function mode contents

NOTE :

When the data does not match that of the mootor, satisfactory characteristics may not be obtained during the sensorless vector running.

The full performances may not be demonstrated if the rating of a motor used is tow or less than the maximum applicable rating when

the sensor-less vector function is used.

The sensor-less vector opera- tion is disabled when two or more motors are running.

Set this data properly according to the motor used if its rating is not the same as the maximum applicable rating in V/f operation.

(3) Extension function mode contents

Extension
	function	Contents and display
	code
		Set the control method. Select one of the following control codes.

Control method setting

FUNC

➤

FUNC

Initial value

➤

2	➤		1
		➤
2	➤		1
		➤
2	➤		1
		➤
2	➤		1
		➤
2	➤		1
		➤

V/f control (VC)

Constant torque characteristics

V/f control (VP1)

Reduced torque characteristics, 1.5 power

NOTE : set torque boost in 70 to 90.

V/f control (VP2)

Reduced torque characteristics, 1.7 power

NOTE : set torque boost in 70 to 90

V/f control (VP3)

Reduced torque characteristics, 2.0 power

NOTE : set torque boost in 70 to 90

Sensorless vector control (SLV)

Vector control with sensor (V2) NOTE : Vector control INV only

(Feedback board is nesessary)

V
0	f
V

0f

V

0f

V

0	f
V
0	f
V

0f

Set the motor capacity and number of motor poles according to the motor to be used. The maximum rating of the applicable 4-pole motor for each inverter

is set initially.

Motor capacity No. of motor poles

.

Motor capacity, motor poles setting

FUNC

➤

FUNC

➤

	➤
2	1
	➤
	.
	➤
2	1
	➤
	.
	➤
2	1
	➤

FUNC

➤

FUNC

➤

2

➤

➤

➤

2

➤

➤

2

➤

1

1

Initial value

1

.

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