YASKAWA VS MINI J7 Specifications download pdf (Page 15)

FREQUENCY

ACCEL TIME

(n16)

DECEL TIME

(n17)

MAX. OUTPUT

FREQUENCY

RUN

COMMAND

TIME

VS mini J7

PROGRAMMING FEATURES

Programming features of VS mini J7 are explained

according to the following items.

Accel time : Sets the time needed for the motor to

accelerate to the maximum output

frequency from the stopped status.

Decel time : Sets the time needed for the motor to

stop from the maximum output frequency.

Item Setting Function

Ref.

Page

• Accel/decel time setting

• V/f pattern setting

• Motor rotation direction setting

• LOCAL (operator) /REMOTE

(control circuit terminal) selection

• Motor rated current setting

• Operation mode selection

• Constant set-up

• Reverse run prohibit

• Multi-step speed selection

• Adjusting frequency setting signal

• Operation at low speed

• Adjusting frequency upper and

lower limits

• Using two accel/decel times

• Automatic restart after momentary

power loss

• Soft-start characteristics

• Torque detection

• Continuing operation by automatic

fault reset

• Frequency detection

• Avoiding resonance

• Operating coasting motor without trip

• Holding accel/decel temporarily

• Using frequency meter or ammeter

• Reducing motor noise or leakage current

• Operator stop key selection

• Selecting stopping method

• Applying DC injection braking

Items Should

be Verified

Before

Operation

Setting

Operating

Condition

Selecting

Stopping

Method

• Using input signals

• Using output signals

Building

Interface

Circuits with

External

Devices

• Adjusting torque according to application

• Preventing motor from stalling

(current limit)

Adjusting

Motor Torque

• Slip compensation 27

Decreasing

Motor Speed

Fluctuation

• Motor overload detection 27

Protecting

Motor

n11=60Hz

BASE

POINT

CONSTANT

TORQUE

CONSTANT OUTPUT

OR VARIABLE OUTPUT

n10

=200V

n09=90Hz

Sets the V/f pattern which matches the motor characteristics.

When operating at 50/60Hz or more frequency, change only

the max. output frequency (n09) as follows.

Items Should be Verified Before Operation

The set value displayed in is factory setting.

Accel/decel time setting

Accel time 1, 2

Decel time 1, 2

N19N17

N18N16

V/f pattern setting

Max. output frequency

Max. voltage

Max. voltage output frequency

N11

N10

N09

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 43 44

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YASKAWA VS MINI J7 Specifications Page 15

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