Speed control - reference (2 ms), Control block diagrams b-3 – Rockwell Automation 20D PowerFlex 700S Drive Ph I Control, Frames 1...11 User Manual

Page 195

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Control Block Diagrams

B-3

Speed Control - Reference

(2 ms)

0

Rev Speed Limit

Fwd Speed Limit

Selected Spd Ref

Limited Spd Ref

Inertia SpeedRef

InertiaAccelGain

InertiaDecelGain

Total Inertia

Logic Command

(Inertia Comp)

Logic Command

(Frict Comp)

FricComp TorqAdd

FricComp Setup

FricComp Stick

FricComp Slip

FricComp Rated

Control Options

(SRef Filt En)

SpdRef Filt Gain

SpdRef Filt BW

Filtered Spd Ref

Scaled Spd Ref

Spd Trim1 SpdRef

Speed Trim 1

S Curve Spd Ref

Speed Ref Scale

from Process

Control [4G2]

(Unipol Fwd) +1

(Unipol Rev) -1

to Speed Control

- Regulator [4A2]

to Torque

Control [8B2]

to Torque

Control [8B1]

DeltaSpeedScale

Jog Speed 1

10

11

12

0

1

2

3

4

5

6

X

+

13

14

15

16

0

17

1

0

157

00

0

30

31

32

33

34

Inv

Logic

1 0

0 1

157

01

&

157

02

151

00

151

01

0

153

00

37

153

01

35

36

X

38

+

21

61

140

141

144

142

143

151

11

56

9

57

58

Max

X

1

40

1

152

47

46

44

180

43

62

63

42

20

Speed Ref 1

Limit

Ramp

S Curve

Spd Ref1 Divide

Speed Ref 2

Spd Ref2 Multi

Speed Ref 4

Speed Ref 5

Speed Ref DPI

Jog Speed 2

Speed Ref Sel

Applied LogicCmd

Logic Ctrl State

Control Options

Applied LogicCmd

Logic

1 0

0 1

41

Inertia Comp

?n

?t

Friction Comp

145

59

45

Delayed Spd Ref

FricComp Spd Ref

Link

Link

Link

Spd Ref Bypass

Link

Virtual Encoder

4x internal

Virt Encoder PPR

Virt Encdr Posit

Virt Encdr Dlyed

Ramped Spd Ref

S Curve Time

Accel Time

Decel Time

Logic Command

(SpdRamp Dsbl)

Logic Command

(Spd S Crv En)

Logic Ctrl State

(SRef Ramp En)

Logic Ctrl State

(SRef SCrv En)

Inertia Torq Add

Delay

One

Scan

Delay

One

Scan

/

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

PI Output

60

152

151

10

18

0

18

152

23

0

1

1

55

Speed Comp

Lead Lag

(kn * s)+ wn

s + wn

20

152

21

1

*

set the desired port in

param 691

*

3

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