Toshiba VF-A7 instruction manual Tripless intensification setup 2/2, Control, For lift 1/2

J-9

[14] Tripless intensification setup (2/2)

Sensorless vector/vector with sensor (●valid, －:invalid)

Title

Communi

Function

Adjustment range

Min. unit (panel/

Default

Write during

Vector control

V/f

Reference

Speed

Torque

Position

cation No

communication)

setting

running

control

control

control

Constant

section

Base frequency voltage

0: without voltage compensation (limitless output voltage)

This parameter is changeable,



0307

1: with voltage compensation (limitless output voltage)

－

１

Disabled

but significant setting value is

●

6.13.6

(Voltage compensation)

2: without voltage compensation (limited output voltage)

fixed to 1 in vector control.

3: with voltage compensation (limited output voltage)



0308

Dynamic braking resistance

1.0～1000 [Ω]

0.1/0.1

See J-28

Disabled

●/●

●/●

－/●

●

6.13.4



0309

Dynamic braking resistor capacity

0.01～600.0 [kW]

0.01/0.01

See J-28

Disabled

●/●

●/●

－/●

●

6.13.4



0310

Ride-through time / Deceleration time

0.0～320.0 [s]

0.1/0.01

2.0

Enabled

●/●

－/－

－/－

●

6.13.2



0311

Reverse-run prohibition

0: Permitted, 1: Reverse run prohibited,2: Forward run prohibited,

－

0

Disabled

●/●

●/●

－

●

6.13.7

3: Direction designated by command permitted



0312

Auto-restart adjustment #1

0.50～2.50

0.01/0.01

See J-28

Enabled

●/●

●/●

－/－

●

6.13.1



0313

Auto-restart adjustment #2

0.50～2.50

0.01/0.01

See J-28

Enabled

●/●

－/－

－/－

●

6.13.1



0314

Auto-restart mode

0～4

1/1

See J-28

Disabled

●/－

●/－

－/－

●

6.13.1



0315

Auto-restart adjustment #3

0～9

1/1

1

Disabled

●/－

●/－

－/－

●

6.13.1

[15]

Drooping

control

Title

Communi

Function

Adjustment range

Min. unit (panel/

Default

Write during

Vector control

V/f

Reference

Speed

Torque

Position

cation No

communication)

setting

running

control

control

control

Constant

section



0320

Drooping gain

0～100 [%] (Enabled if = 7, 8 or 9)

1/0.01

0

Enabled

●/●

－

－

－

6.14



0321

Speed at drooping gain 0%

0.0～320.0 [Hz] (Enabled if = 7, 8 or 9)

0.01/0.01

60.0

Enabled

●/●

－

－

－

6.14



0322

Speed at drooping gain 

0.0～320.0 [Hz] (Enabled if = 7, 8 or 9)

0.01/0.01

60.0

Enabled

●/●

－

－

－

6.14



0323

Drooping insensitive torque band

0～100 [%] (Enabled if = 7, 8 or 9)

1/0.1

10

Enabled

●/●

－

－

－

6.14



0324

Output filter for drooping

0.1～200.0 [rad/s] (Enabled if = 7, 8 or 9)

0.1/0.1

100.0

Enabled

●/●

－

－

－

6.14



0325

Load inertia (Acc/Dec torque)

0～1000

0.1/0.1

1.0

Enabled

●/●

－

－

－

※



0326

Load torque filter (Acc/Dec torque)

0.0～199.9, 200.0:without filter

0.1/0.1

200.0

Enabled

●/●

－

－

－

※

0: Standard, 1: Acc/dec torque removal



0327

Drooping reference selection

2: Internal torque standard

－

0

Enabled

●/●

－

－

－

※

3: Acc/dec torque removal (internal torque standard)

[16]

Functions

for lift (1/2)

Title

Communi

Function

Adjustment range

Min. unit (panel/

Default

Write during

Vector control

V/f

Reference

Speed

Torque

Position

cation No

communication)

setting

running

control

control

control

Constant

section



0330

Light-load high-speed operation

0～10

－

0

Disabled

●/●

－

－

●

※



0331

Light-load high-speed operation switching lower limit frequency

30.0～ [Hz]

0.01/0.01

40.0

Enabled

●/●

－

－

●

※



0332

Light-load high-speed operation load waiting time

0.0～10.0 [s]

0.1/0.1

1.0

Enabled

●/●

－

－

●

※



0333

Light-load high-speed operation load detection time

0.0～10.0 [s]

0.1/0.1

1.0

Enabled

●/●

－

－

●

※



0334

Light-load high-speed operation heavy load detection time

0.0～10.0 [s]

0.1/0.1

5.0

Enabled

●/●

－

－

●

※



0335

Switching load torque current during forward run

0～250 [%]

1

50

Enabled

●/●

－

－

●

※



0336

Heavy load torque during acceleration in forward direction

0～250 [%]

1

150

Enabled

●/●

－

－

●

※



0337

Heavy load torque during fixed speed in forward direction

0～250 [%]

1

100

Enabled

●/●

－

－

●

※



0338

Switching load torque current during reverse run

0～250 [%]

1

50

Enabled

●/●

－

－

●

※



0339

Heavy load torque during acceleration in reverse direction

0～250 [%]

1

150

Enabled

●/●

－

－

●

※

※(Reference section): Refer to the inverter's individual manual.