Speed control - reg u la tor, T as k 1 ) – Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual User Manual

Page 178

Advertising
background image

178

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

Appendix C

Control Block Diagrams

spd_reg.eps

S

pd Reg BW

S

pd Reg D

a

mping

S

pdReg P G

a

in Mx

Tot

a

l Inerti

a

90

92

91

9

s

et p

a

ra

m 90

=

0

to m

a

n

ua

lly

a

dj

us

t

p

a

ra

m 81

&

82

*

25

26

22

X

23

24

0

A

u

tot

u

ne

Byp

ass

74

157

5

8

157

04

75

76

93

94

89

85

84

81

82

153

18

102

103

95

96

0

86

S

peed Control

-

Reg

u

la

tor

(T

as

k 1

)

Droop

318

301

71

300

100

101

302

0

1

157

06

0

Logic Ctrl

S

ta

te

At

u

ne

S

pd Ref

Limit

Logic Ctrl

S

ta

te

(I

n

rt

a

T

s

t En

)

Logic Ctrl

S

ta

te

(C

u

rrLim

S

top

)

S

peed Trim

3

S

pdTrim 3

S

c

a

le

S

pd Ref Byp

ass

2

S

peed Trim

2

S

Trim

2 Filt

G

a

in

S

pdTrim

2 Filt

BW

S

ervoLck

k

s

s

P G

a

in

kp

Limit

S

pd Reg P G

a

in

*

S

pd Reg I G

a

in

*

0

1

87

303

S

pd Reg Po

s

Lim

S

pd Reg Neg Lim

FeedFwd

nff

S

RegFB Filt G

a

in

S

RegFB Filt BW

Filtered

S

pdFd

b

k

Motor

S

pd Fd

b

k

Motor

S

peed Ref

S

peed Error

S

pdReg AntiBck

u

p

S

pd Err Filt BW

S

ervo Lock G

a

in

Control Option

s

(Jog -

NoInteg

)

Logic Comm

a

nd

(S

Reg IntgHld

)

(S

Reg IntgR

s

t)

Control Option

s

(S

pdRegPre

s

et

)

S

RegTrqPre

s

et

Motor Torq

u

e Ref

S

pd Reg Droop

0

1

S

RegO

u

t FiltG

a

in

S

Reg O

u

t Filt BW

Logic Ctrl

S

ta

te

(S

pd Reg En

)

S

pd Reg PI O

u

t

Po

s

it

S

pd O

u

tp

u

t

from

S

peed Control

-

Reference [

4

H

5

]

from Po

s

ition Control

to Torq

u

e Control

[7

A

3

]

2

nd

Order

LP

ass

Filter

S

pdReg Integ O

u

t

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

(J

T

s

t F

u

lS

pd

)

(S

pd Reg En

)

1

from Feed

ba

ck [

9

H

2

]

Le

a

d L

a

g

(k

n

*

s

)+ wn

s

+

wn

Le

a

d L

a

g

(k

n

*

s

)+ wn

s

+

wn

Le

a

d L

a

g

(k

n

*

s

)+ wn

s

+

wn

48

Rev

S

peed Lim

Fwd

S

peed Lim

+

-

+

+

-

+

+

+

+

-

153

12

151

05

157

08

06

+

+

+

[1

3

H

3

]

[1

4

H

4

]

I G

a

in

ki

s

#

All Reg

u

la

tor

s

a

nd Filter

s

BW v

a

lu

e

s

a

re expre

ss

ed

as

R

a

di

a

n

s

/

S

econd

.

The Notch filter i

s

in Hertz

.

Ovr

S

mpl

4x

Advertising