Function diagrams issue 01/06, V/f contr ol micr omaster 440, Overv iew of v/f control – Siemens 440 User Manual

Page 294

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Function Diagrams

Issue 01/06

MICROMASTER 440 Parameter List

294

6SE6400-5BB00-0BP0

PID tr

im

from

AF

M

Fr

equency output to

modul

ator

n/f(ma

x)

+

co

ntrol

re

ser

ve

active

- 6100

-

F

unc

tion diagram

8

7

6

5

4

3

2

1

6100

_V_f

.v

sd

V/f Contr

ol

MICR

OMASTER 440

16

.0

1.

2006

V2.

1

O

verv

iew of V/f Control

Imax contr

oll

er

s

et

poin

t

+

r1343

CO:Imax ctrl Foutp

r1344

CO:Ima

x ctr

l Vout

p

P1200

Fl

ying

s

tar

t

+

+

P12

40

Vdm

ax

control

le

r

r1

170

CO:Setp. aft

er R

F

G

+

P1335

Sl

ip

comp

ensation

r006

3

CO: Ac

t.

freque

nc

y

P133

8

R

esonance

dam

pin

g

r0024

C

O

: Act outp

. freq

+

P1350

Vo

lta

g

e

bu

ild-u

p

Voltag

e output to

modul

ator

RF

G

Imax frequ

ency

ctr

l.

P1340

P1341

C

urr

ent feedb

ac

k

r0025

C

O

: Ac

t.ou

tp. vol

t

active

+

P1300

V/f char

ac

te

ris

tic

+

FC

C

+

Vol

tage b

oost

P1310 ... P1

312

19

Cont

rol

mode

0 ..

. 23

P1300.D (

0)

r1119

CO:Setp bef

ore R

F

G

r0067

C

O

: O

u

tp cur li

m

it [A]

r0068

CO: Output curr

ent [A]

CI: Vol

tage setp.

(0:

0)

P1330.C

+

M

otor o

vl fact [%]

10.0

... 400.0 [%]

P064

0.D (

150.0)

R

ated mo

t. c

u

rre

nt

0.01 ...

10000.00

[A]

P0305.D (

3.25)

Motor

temper

ature

Inv

e

rter

temper

atur

e

i

2

t

in

ver

ter

Imax v

o

ltag

e c

tr

l.

P1345

P1346

f(V

DC

)

FP

4600

CO/BO:Stat Mo

tCtrl

r0056

r0056

.13

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