Position control - phase locked loop, Position control – phase locked loop – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual

Page 390

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390

Rockwell Automation Publication 750-RM002B-EN-P - September 2013

Chapter 6

Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives

Position Control - Phase Locked Loop

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

Position Control –

Phase Locked Loop

LPF

Loop

Filter

X to V

Conv

0

0

VE

[ ]

[ ]

EGR

X

X

803

811

81

2

804

805

801

X

798

79

5

795

795

802

795

3

1

2

0

807

808

809

810

806

PLL BW

PLL Rv

ls Input

PLL EPR Input

PLL Rvls Output

PLL EPR Output

PLL

Virt Enc RPM

PLL LP

Filter BW

PL

L Con

tr

ol

PL

L Con

tr

o

l

PLL Control

PL

L Ex

t

Spd

S

c

ale

PLL Speed Out

PLL Speed OutAdv

PLL Enc Out

PLL Enc Out Adv

PLL Psn Out Fltr

+

+

+

-

PLL E

nable

0

1

0

1

Ext

Vel FF

Velo

city

FF

Accel

Comp

0

1

PL

L Con

tr

ol

795

0

PLL Control

1

PLL Ena

ble

Velocity

FF

2

Ext V

el FF

3

Accel C

omp

4

PCAM

Enable

5

PTP E

nable

6

Prof En

able

-

B

it4 enables PCAM function with PLL.

-

B

it5 enables PTP fu

nction

with

PLL

-

B

it6 enables Profiler

function with PLL

Can not select multiple

bits.

PLL refer

e

nces mu

st connect to

appropriate outputs of the function.

0

0

1

PLL Ext Spd

Sel

79

6

79

7

Oth

e

r Re

f

Sources

PLL Ext Spd

Stpt

Para

meter

Sel

ection

PLL Psn Ref Sel

799

800

Other Ref

Sour

ces

PL

L Ps

n Stp

t

P

aramete

r

S

election

[11F5]

[11F5]

[11F5]

[11F5]

Delay

Delay

PF

755 Rev

_9.a

Pag

e 14

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