Figure 3.2 – nth scan interrupts -52 – Rockwell Automation SA3100 Distributed Power System Drv Config,Program User Manual

Page 90

Advertising
background image

3-52

SA3100 Drive Configuration and Programming

Figure 3.2 – Nth Scan Interrupts

La

tc

h

“e

v

e

ry

s

c

an"

O

u

tput

B

Inpu

t A

R

un A

O

u

tput

A

Input

B

R

un B

Sc

an

1

S

c

a

n 2

S

c

a

n

3

S

c

an

4

Sc

a

n

5

Sc

an N

(n

-1

)

O

u

tput

B

Input

A

R

un A

O

u

tput

A

Input

B

Ru

n

B

La

tc

h N

th s

c

a

n reg

is

ters

t

h

a

t a

re

in

p

u

ts t

o

b

o

th

t

a

sks A a

n

d

B

.

UDC ope

ra

ti

ng syst

em

g

ene

ra

te

s

in

te

rr

u

p

t to A

u

toM

a

x

P

ro

c

e

s

s

o

r.

L

a

tch

e

ve

ry sca

n

” re

g

ist

e

rs u

s

e

d

as

i

n

put

s

t

o

t

a

s

k

A

W

ri

te “ev

e

ry

s

c

a

n” r

e

gi

s

te

rs

th

at a

re

ou

tpu

ts

fr

om

tas

k

A

L

a

tch

e

ve

ry sc

a

n

re

gi

s

te

rs

t

hat

ar

e

in

pu

ts

t

o

tas

k

B

.

W

ri

te

“e

very

s

c

an”

r

e

gi

s

te

rs

that

ar

e

ou

tpu

ts

fr

om

ta

sk B.

Wr

it

e

e

v

e

ry

sca

n

" re

g

ist

e

rs

th

at are

o

u

tpu

ts

fr

om

ta

sk B.

L

a

tc

h

“e

ve

ry

sca

n

" re

g

ist

e

rs t

h

a

t

ar

e

i

n

p

u

ts

to tas

k

A

W

ri

te

e

ve

ry

sca

n

" re

g

ist

e

rs

th

at a

re

ou

tpu

ts

fr

om

tas

k

A

re

gi

s

te

rs

t

hat

ar

e

in

pu

ts

t

o

tas

k

B

W

ri

te

“N

th

sca

n

" re

g

ist

e

rs

th

at a

re

ou

tpu

ts

fr

om

bo

th

ta

sks A a

n

d

B

Sc

an 5

(n

-1

)

Sca

n

6

(N

th

sca

n

)

Zo

om

i

n

Z

oom i

n

Val

u

e i

n

s

c

a

n

s

pe

r i

n

te

rr

up

t r

egi

s

ter

= 6

S

c

an

2

S

c

a

n 3

S

c

an 4

Scan

1

UDC

M

o

dul

e

Au

to

M

a

x

Pro

c

e

sso

r

w

it

h

Ta

sk S

e

rvi

c

in

g

In

te

rr

u

p

ts fr

o

m

UDC m

o

d

u

le

.

Au

to

M

a

x Pr

o

c

e

s

so

r

T

a

sk*

*

S

e

rv

ic

in

g

UDC i

n

te

rr

up

t

*C

C

L

K

i

s

tu

rn

ed

o

n

i

n

th

e A

u

toM

a

x

r

a

c

k

b

y

th

e A

u

toM

a

x

ta

s

k

.

**

A

s

l

ong

as

t

h

is

A

u

to

Max

t

a

s

k

c

an

ex

ec

ut

e

in

t

h

e i

n

te

rv

al

b

e

tw

e

en

UDC up

dat

es

(

and

i

n

te

rr

upt

s

, i

n

t

h

is

c

a

s

e

)

th

e

re

w

ill b

e

n

o

t

a

sk

o

v

e

rla

p

in

t

h

e

A

u

to

M

a

x P

ro

c

e

s

s

o

r.

Advertising