Torq u e control - c u rrent, T as k 1 ) – Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual User Manual

Page 181

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

181

Control Block Diagrams

Appendix C

torque_control_current.eps

Control Option

s

(Trq Trim En

)

C

a

lc

u

la

ted

b

y A

u

tot

u

ne

(m

a

y

b

e overwritten

)

*

Min

IT

-openloop

C

a

lc

Is

Iq

352

356

M

a

x =

inverter

3

s

ec r

a

ting

from Motor Control

Mtr C

u

rrent Lim

MotorFl

u

xC

u

rr FB

Is

Act

ua

l Lim

Iq Act

ua

l Lim

312

488

Fl

u

x C

u

rrent

*

Min

360

LP

ass

Filter

361

309

Min Fl

u

x

% Motor

Fl

u

x

Flx Lp

ass

Filt BW

350

351

1

0

157

11

Limit

353

R

a

te Lim

Iq

Del

a

y

Option

355

305

354

Iq Act

ua

l Ref

Logic Ctrl

S

ta

te

(C

u

rrRef En

)

Iq Ref Trim

Iq R

a

te Limit

Control Option

s

(Iq Del

a

y)

Mtr Trq C

u

rr Ref

Torq

u

e Control

-

C

u

rrent

(T

as

k 1

)

to Motor Control

344

OL Cl

s

Lp C

u

rrLim

2

X

308

Motor NP FLA

343

OL OpnLp C

u

rrLim

304

Limit

S

ta

tus

313

345

Drive OL JnctTemp

He

a

ts

ink Temp

O

u

tp

u

t C

u

rrent

153

13

Control Option

s

(OL Cl

s

LpD

sb

l)

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

p

u

S

ta

tor C

u

rrent Fd

b

k

Drive OL

S

ta

tus

346

IT

-clo

s

edloop

153

11

Iq Ref Limited

1

Fl

u

x

303

Motor Torq

u

e Ref

Limit

1.

0

1

0

153

26

Control Option

s

(Trq Trim En

)

+

+

359

Motor Fl

u

x E

s

t

124

123

Torq

u

e Po

s

Lim Actl

Torq

u

e NegLim Actl

1.

0

2

Fl

u

x

1.

0

2

Fl

u

x

to 7

F

5

+

-

303

Torq

u

e E

s

t

PI Reg

kp

+

ki

s

0

1

153

26

+

+

C

a

lc Fl

u

x

0.

0

0.

0

Motor Torq

u

e Ref

from 7

H

3

Te

s

tPoint

s

P

357 C

u

rr Ref TP

S

el

P

358 C

u

rr Ref TP D

a

ta

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