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Powerflex 700 s ph as e 2, Block di a gr a m s – Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual User Manual

Page 175

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Rockwell Automation Publication 20D-PM001C-EN-P - July 2013

175

Control Block Diagrams

Appendix C

overview.eps

PowerFlex 700

S

Ph

as

e

2

Block Di

a

gr

a

m

s

PI Reg

u

la

tor

181

182

PI Reference

PI Feed

ba

ck

Limit

186

187

PI Prop G

a

in

PI Integ Time

Proce

ss

Control

(T

as

k 2

)

180

PI O

u

tp

u

t

S

peed

Ref

S

election

40

Le

a

d

L

a

g

46

43

Friction Comp

Inerti

a

Comp

S

peed Control

-

Reference

(T

as

k 2

)

69

59

S

elected

S

pd Ref

R

a

mped

S

pd Ref

S

c

a

led

S

pd Ref

27

28

15

16

17

18

+

Torq

u

e

S

election

*,

/

, +

302

69

59

xxx

S

pd Reg PI O

u

t

FricComp TrqAdd

Inerti

a

Trq Add

Torq

u

e Ref Inp

u

ts

B

us

Volt

& Power

Reg

u

la

tor

Notch

Filter

Drive

& Motor

Protection

1

Fl

u

x

305

Mtr Trq C

u

rr Ref

Torq

u

e Control

(T

as

k 1

)

Limit

PI Reg

u

la

tor

81

82

S

pd Reg P G

a

in

S

pd Reg I G

a

in

Le

a

d L

a

g

Le

a

d L

a

g

300

Motor

S

pd

Fd

b

k

302

S

pd Reg PI O

u

t

S

peed Control

-

Reg

u

la

tor

(T

as

k 1

)

Motor

S

peed Ref

90

S

pd Reg BW

301

Link

+

22

23

48

S

peed Trim

3

FOC

Perm M

a

gn

& Vector

Control

C

u

rrent

Proce

ss

ing

Motor

Lo

a

d

E

1

E

2

Ge

a

r

Po

s

ition

Interpol

a

tor

Reference

S

election

(Mode)

748

743

758

Co

a

rs

ePo

s

it Trgt

A

u

x Po

s

it Ref

Pt

-Pt Po

s

it Ref

742

Po

s

it Ref

S

el

Ge

a

r R

a

t

[ N

]

[ D

]

764

Po

s

it Lo

a

d Fd

b

k

+

Po

s

ition

Off

s

et

PI

Reg

u

la

tor

Point to

Point

770

768

Po

s

itReg P G

a

in

Po

s

it Reg Integ

762

Po

s

ition Fd

b

k

Integr

a

tion Ch

a

nnel

318

Po

s

it

S

pd O

u

tp

u

t

Po

s

ition Control

(T

as

k 2

)

Ge

a

r R

a

t

[ N

]

[ D

]

20

19

S

peed Ref A

S

el

S

peed Ref B

S

el

Pre

s

et

S

pd 2

Pre

s

et

S

pd 3

Pre

s

et

S

pd 4

Pre

s

et

S

pd 5

Pre

s

et

S

pd 6

Pre

s

et

S

pd 7

Virt

ua

l Encoder

+

21

S

peed Trim

1

Line

a

r

R

a

mp &

S

C

u

rve

Link

S

peed Trim

2

86

Droop

184

PI Lp

ass

Filt BW

Link (

not

a

def

au

lt link

)

Link

Inerti

a

Ad

a

ption

+

-

Po

s

ition

Feed

ba

ck

S

election

Proportion

a

l Ch

a

nnel

Link

Notch

Filter

14

Pre

s

et

S

pd 1