B-10, Torque control - current, B-10 control block diagrams – Rockwell Automation 20D PowerFlex 700S Drive Ph I Control, Frames 1...11 User Manual

Page 202: Task 1)

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B-10

Control Block Diagrams

Control Options

(Trq Trim En)

Min Flux

% Motor Flux

Flx LpassFilt BW

Iq Actual Ref

Logic Ctrl State

(CurrRef En)

Iq Ref Trim

Iq Rate Limit

Control Options

(Iq Delay)

Mtr TorqCurr Ref

Torque Control - Current

(Task 1)

to Motor Control

Motor NP FLA

Motor Current

Control Options

(OL ClsLpDsbl)

Drive OL Status

Motor Torque Ref

[9H3]

[8H5]

[8H4]

[8H3]

Iq Ref Limited

Calculated by Autotune

(may be overwritten)

*

Min

IT-openloop

Calc

Is

Iq

352

356

Max = inverter

3 sec rating

from Motor Control

Mtr Current Lim

MotorFluxCurr

FB

Is Actual Lim

Iq Actual Lim

312

488

Flux Current*

Min

360

LPass

Filter

361

309

350

351

1

0

157

11

Limit

353

Rate Lim

Iq

Delay

Option

355

305

354

344

OL ClsLp CurrLim

2

X

308

343

OpnLp CurrLim

304

Limit Status

313

345

Drive OL JnctTemp

Heatsink Temp

153

13

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

pu Stator Current Fdbk

346

IT-closedloop

153

11

Iq Rate Limited

1

Flux

303

Motor Torque Ref

Limit

1.0

1

0

153

26

Control Options

(Trq Trim En)

+

+

359

Motor Flux Est

124

123

Torque PosLim Actl

Torque NegLim Actl

1.02

Flux

1.02

Flux

[8F5]

+

-

303

Torque Est

PI Reg

kp+

ki

s

0

1

153

26

+

+

Calc Flux

0.0

0.0

358

10

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