Speed control - reference overview, Speed control – r eference overview – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual

Page 380

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380

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

Chapter 6

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

Speed Control - Reference Overview

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

+

Spd Re

f A

Trim Ref A

Trim % Ref A

Ref A

Auto

+

Spd Re

f B

Trim Ref B

Trim % Ref B

Ref B

Auto

+

ENet Spd Ref

DPI Ports

1

-6 Manu

al

Spd Ref

Co

mma

nd

Limit

Selected Spd Ref

Ski

p

Bands

Limited

Spd Ref

Direction

Mode

Vel Ref

Filter

x

Sp

eed

Comp

Pos Reg

Output

Filter

Speed Ref

Scale

From

Position

Re

g

u

la

to

r

Limi

t

Inertia

Co

mp

Ve

lo

city Reg

Ref

Inerti

a Comp

Tor

que

R

ef

Mo

to

r Sp

d Ref

From

PI

Regulat

o

r

(Trim Mode)

From

PI Regulator

(Exclusi

ve Mode)

Pro

filing/

Jog

ging/

Lift

App/

Autotun

e/

Homin

g/

Ove

rrides

VF or

SV

Dr

oop

From

Slip Com

p

Fre

quency

Re

f

Lim

it

From

Velocity Trim

Regulator

Ma

x

S

p

ee

d

+

Over

speed Li

mit

From

PI Regulator

(Trim Mode)

Fl

ux

Vec

tor

Limi

t

Max Speed

Max Spe

eds

Spe

ed Refere

nc

e Selection

Speed Reference Control

Rampe

d

Vel Ref

Limit

Sw

itch

Contro

l

Spe

ed Ref

Stop /

Torque

Pr

oving

Vector Ramp S-Curve

Li

nea

r

Ra

mp

&

S Curve

Virtual

Encoder

V/F Ramp

S-Curve

Li

nea

r

Ra

mp

&

S Curve

Vector

Speed Control

V/F Speed Con

trol

Ra

te

Select

Sp

eed

Status

Spe

ed Feed

back

Vector Ramp Status

F/F Ramp

Status

St

at

us

Ramped

Speed Re

f

Preset

s 3-7

Auto

From

Pt-Pt Profile

Generator

Speed Control –

R

eference Overview

Friction

Comp

Fri

cti

on Com

p

Tor

q

ue Ref

640

Filtered

Spd

F

dbk

Fiber

App.

PF

755 Rev

_9.a

Pa

ge 4

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