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Rockwell Automation Liqui-Flo AC GP Vector Drive Version 6.4 User Manual

Page 218

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G-8

LiquiFlo AC Drive, Software Reference Version 6.4

Figure G.7 – Outer Control Loop Block Diagram

O

C

L

output

(to

s

pd

loop

bl

ock

d

iag)

*

Av

ailable

in

netw

o

rk

read

regis

ters

Ki

(U

.046)

+

-

Kp

(U

.045)

PI

In

it

Rst

N

e

tw

O

C

L

enable

b

it

(d1,

r32,

b5)

or

R

M

I

d

igital

input

OCL

L

/L

Ratio

(U

.043)

O

C

L

fdbk

se

le

ct

(U.040)

U

.017

Di

v

(from

s

pd

loop

bl

ock

d

iag)

O

C

LP

ro

pT

ri

m

Enable

(U

.048)

Lead/

Lag

OCL

L

/L

Low

F

req

(U.042)

OCL

L

/L

S

e

le

ct

U.041)

Rst

Input

Speed

PI

O

u

tput

(torque

ref)

Sc

aled

TS

Analog

Input

(4095

@

10v

dc

)

In

it

R

unning

O

C

L

enabled

(d1,

r26,

b2)

*

*

*

*

OCL

feedbac

k

*

0

0

1

ON

OFF

Mu

lt

K

|x|

Spd

ref

S-c

u

rv

e

bloc

k

output

x

U.047

100

x

U

.044

Lim

+

/-4095

B

roadc

as

t

1

0

1

P

.064

8

RM

I

A

nal

og

Input

0

1

P

.064

P

.038

8

P

.031

0

1

P

.064

P

.038

8

P

.031

P

.038

O

p

ti

on

B

oar

d

In

st

a

lle

d

None

RM

I

Networ

k

-

S

e

e

networ

k

s

pec

if

ic

I/M

for

detai

ls

.

B

roadc

as

t

8

Di

re

c

t

20

m

sec

scan

per

iod