Speed control – r eference (4), Figure 8 - speed control - reference (4), Vf (v/hz), sv – Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual

Page 372

Advertising
background image

372

Rockwell Automation Publication 750-PM001J-EN-P - October 2014

Appendix A

PowerFlex 753 Control Block Diagrams

Figure 8 - Speed Control - Reference (4)

59

4

Ramped

Spd Re

f

[9E4]

Ramp Rate

[9E5]

Prev

ious

Scan

V/F Ramp and Rate Select

Speed Control

Ra

mp

Inp

ut

[9E4]

1

0

PID Output Sel

(Speed Trim)

0

10

79

Driv

e St

at

us 1

(J

og

gi

ng

)

0

From

Process Ctrl

[2

0E

3]

10

93

PID Ou

tp

ut

Meter

93

5

17

PI Speed Trim

2

≠2

Lim

it

520

Max Fwd Speed

Max Rev Speed

521

Max Sp

eed

Lim

its

Spd Ref After

Fina

l Limit

[9A2]

Final Speed Ref Limits

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

Speed Control –

R

eference (4)

VF (V/Hz), SV

S Curve Accel, Decel

Accel Time

1

Accel Time 2

539

Ramp

S Curve

Sp

d Opt

ion

s Ct

rl

(Ramp Hold)

635

1

Sp

d Options Ctrl

541

Jo

g Acc De

c Time

1,0

535

536

0,1

879

8

Drive Logic

Rslt

(Accel Time 1, 2)

9

Decel Time 1

Decel Time 2

1,0

537

538

0,1

879

10

Drive Logic Rslt

(Decel Time

1, 2)

11

540

635

0

(Ram

p Disa

ble)

63

5

2

(StpN

oSCrv

Acc)

[9A2], [20C2]

[29H3]

[29H3]

52

6

52

7

Skip Speed 1

52

8

52

9

Skip Speed

Band

Skip Speed 2

Skip Speed 3

1

0

D

riv

e St

at

us

1

(J

ogg

in

g)

0

935

18

1

0

Drive St

at

us 1

(Sto

pp

in

g)

1

0

0

Limited Sp

d Ref

593

[6H4]

935

17

Skip Bands

Start/Stop

2

Commanded

SpdRef

Stoppin

g

or

Not Ac

tive

Not S

topping

and A

ctive

OR

D

rive Status 1

(Running)

D

rive Status 2

(Autotuning)

93

5

16

93

6

9

Traverse/

P-Jump

Sync

Speed

Ch

an

ge

Fiber Application

11

20

Fiber Control

112

1

Fiber Status

112

2

Sync Time

112

6

P Jump

112

5

Max Traverse

112

3

Traverse Inc

112

4

Traver

se

Dec

S

kip Ban

ds

PF753

Rev_10.

a

Page 8

Advertising