Axis AX-906 Podręcznik Użytkownika Pobierz pdf (Strona 23)

CHAPTER

4.

APPLICATION DESIGN

79

Tuning Pot

"lusting

.crewe

AX

Series Drive

Figure 4-5.

AX

DIP Switch

and

Tuning

Pot Locations

STEP 3

STEP 4

STEP 5

Adjusting

the

Drive

to

the

Motor

STEP 1

STEP 2

Position all

four

tuning

pots

to

the

center

of

their

adjustment

range.

Start

the

motor

moving

at

one

of

the

velocities

shown

below.

depending

on

the

motor

frame size.

These

velocities

should

get

you close to

the

natural

frequency of

the

motor.

57

Series

(NEMA

23)

83

Series

(NEMA

32)

106

Series

(NEMA

42)

3.6rps

2.8

rps

2.0

rps

USing one of

the

gauging

methods

mentioned

above. increase

and

decrease

the

velocity

in

small

increments

(.

1

rps

and

lower)

until

you

have

located

the

velocity

where

the

natural

frequency

seems

to

be

most

prominent.

Now

that

you

have located

the

natural

frequency of

your

system.

the

following

procedure

will

adjust

the

current

waveform

of

the

drive to

the

mechanical

characteristics

of

the

system.

Adjust

the

current

trim

if

necessary

(pot #1)

The

current

trim

pot

allows

you

to

select a

current

setting

that

lies

between

any

two dip switch settings.

In

most

applications.

adjustment

of

this

setting

is

not

necessary.

Adjust

phase

balance

(pot #4).

Adjust

this

pot

for

maximum

smoothness.

This

pot

adjusts

the

amplitude

of

current

in

phase

B

to

within

±10% of

the

current

in

Phase

A

1 2 ... 18 19 20 21 22 23 24

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