Chapter 5 Parameters|VFD-B Series

5.2 Parameter Settings for Applications

„ Speed Search

Applications

Purpose

Functions

Related

Parameters

Windmill, winding

machine, fan and all

inertia load

Restart free-

running motor

Before the free-running motor is

completely stopped, it can be restarted

without detecting motor speed. The AC

motor drive will auto search motor

speed and will accelerate when its

speed is the same as the motor speed.

08-06

08-07

08-19

08-20

„ DC Brake before Running

Applications

Purpose

Functions

Related

Parameters

When e.g. windmills, Keep the free-

fans and pumps rotate running motor at

freely by wind or flow standstill.

without applying power

If the running direction of the free-

running motor is not steady, please

execute DC brake before start-up.

08-00

08-01

„ Motor power switch-over between AC motor drive and commercial power

Applications

Purpose

Functions

Windmills, pumps,

extruders

Switching motor

power between AC

motor drive and

commercial power

When switching motor power between

the AC motor drive and commercial

power, it is unnecessary to stop the

motor or start by commercial power

with heavy duty before switching to by

AC motor drive control

Related

Parameters

03-00

03-01

03-02

03-03

„ Energy Saving

Applications

Purpose

Functions

Related

Parameters

Punching machines

and precision

machinery

Energy saving and

less vibrations

Energy saving when the AC motor

drive runs at constant speed, yet full

power acceleration and deceleration

For precision machinery it also helps

to lower vibrations.

08-15

„ Multi-step Operation

Applications

Purpose

Functions

Related

Parameters

Conveying machinery

Cyclic operation by To control 15-step speeds and duration

multi-step speeds. by simple contact signal.

04-04~04-09

05-00~05-14

5-18

Revision July 2008, BE16, SW V4.08 & V5.00