Speed control – r eference (2), Figure 39 - speed control - reference (2) – Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual

Page 405

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

405

PowerFlex 755 Control Block Diagrams

Appendix A

Figure 39 - Speed Control - Reference (2)

Drive Status 1

(Jogging)

935

17

0

2

Ma

x

X

1

1

0

0

D

irection Mode

30

8

0

Un

ipol

Fw

d

Un

ipol

Rev

(+1)

(-

1)

Spd Ref

From Spd Profiler

[1

6H2]

Actv SpTqPs

M

o

de

≠6

6

1

Tr

q Prove Status

(M

icro Psn)

11

03

2

0

x

MicroPsnScalePct

1112

1

0

1

Spd Re

f Sel Sts

(Decel Lmt Sw)

0

571

Preset Speed 1

59

2

0

Se

lec

te

d Sp

d

Ref

PI Speed Exclusive

Speed Profiling

Jog

ging

Fr

om

Sp

d Ref (1)

[5I2]

Lift App

(Micro Positioning)

Homing Status

(Ho

m

e En

able

d)

Homing

Bipol

ar

Limit

522

Max Fwd Speed

Max Rev Speed

523

520

521

Min Fwd Speed

Min Rev Sp

eed

Lim

ited Spd Ref

59

3

Internal Load Dependent

Max Limi

t

(Lift Application)

Limit

0

Direction Mode Control

Limit Sw

itch Control

Spee

d Ref Limits

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

To Spd Ref,

Proc

es

s Ct

rl

[7A2], [8A2], [28B2]

591

13

591

14

0

1

0

1,0

55

6

Jog

Speed 1

55

7

0,

1

1

1

10

93

PID Output

Me

te

r

&

107

9

P

ID O

utp

ut S

el

= 1

935

16

Drive Status 1

Runni

ng

PID Control

PID Enable

Jog

Speed 2

Driv

e Logic

Rslt

Jo

g1

Jo

g2

Spd Ref Sel

Sts

(End

L

m

t Sw)

Speed Control –

R

eference (2)

Profile

r

Po

si

tio

n

Spee

d

Sp

eed Exc

l

87

9

2

19

10

66

0

Re

v Disa

ble

Unipol

ar

31

3

[28B2]

OR

[28E2]

[23D5]

[3

5H

3]

1210

10

1

0

Prof

ile St

at

us

Positi

on

Mode

Foward

Co

mma

nd

Log

ic

Autotune

Cont

rol

0,1

70

Au

to

tu

ne

Autotune Control

Spd Ref

From Homing

[17H2]

11

03

5

Trq Prove Status

(LoadTestActv)

Actv SpTqPs M

o

de

31

3

[2

3D

5]

Pos

ition

(>= 6)

N

on-posi

tion

(< 6

)

Posi

tion Control

(Add Spd Ref)

1

0

721

10

0

Position Contr

o

l –

A

dd Speed Reference Option

2,

3, 4

x

848

Psn Gear Ratio

x

848

Psn Gear Ratio

Max Speed

Li

mits

Min Speed

Limits

PF755

Rev_10.

a

Page 6

Boost Freq Ena

VF (V/Hz) Only

Vari

abl

e

Boost

0

1

15

43

VB

Fre

que

ncy

73

0

1

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