Speed /po s it fd b k, T as k 1 ) – Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual User Manual

Page 182

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182

Rockwell Automation Publication 20D-PM001C-EN-P - July 2013

Appendix C

Control Block Diagrams

spd_posit_fdback.eps

222

223

231

230

241

240

228

229

233

232

242

234

**

Encoder 0

Proce

ss

ing

**

Encoder 1

Proce

ss

ing

Motor

S

im

u

la

tor

S

pd C

a

lc

251

250

762

Fd

b

kLo

ss

Detect

LP

ass

Filter

X

300

73

72

249

** Feed

ba

ck

Option C

a

rd 0

Proce

ss

ing

259

268

272

273

274

275

276

260

269

S

tegm

a

nn

0 Cnfg

Re

s

olver

0 Config

Fd

b

k Option ID

Re

s

lvr

0

S

pdR

a

tio

Re

s

lvr

0 C

a

rrier

Re

s

lvr

0 In

Volt

s

R

s

lvr

0 XfrmR

a

tio

Re

s

lvr

0 C

ab

leB

a

l

S

tegm

a

nn

0

S

ta

tus

Re

s

olver

0

S

ta

tus

FB Opt

0

S

pd

Fd

b

k

FB Opt

0

Po

s

it

Mtr

S

pd

S

im

u

la

ted

MtrPo

s

it

S

im

u

la

t

Encdr

1 Po

s

ition

Encdr

1

S

pd Fd

b

k

Encdr0

S

pd Fd

b

k

Encdr

0 Po

s

ition

Mtr Fd

b

k Alt

S

el

Mtr Fd

b

k

S

el Pri

Encdr 0

/1

Error

Encoder

0 PPR

Encoder

1 PPR

Encdr 0

/1

Config

Po

s

ition Fd

b

k

Logic Comm

a

nd

(T

a

chLo

ss

R

s

t)

Motor

S

pd Fd

b

k

S

pd Fd

b

k

S

c

a

le

S

c

a

led

S

pd Fd

b

k

S

peed

/Po

s

it Fd

b

k

(T

as

k 1

)

to

S

peed

Control [

5

A

4

]

to Po

s

ition Control

[1

3

A

4

] &

[1

4

B

4

]

227

Motor

S

peed E

s

t

225

Virt Edge

/Rev

252

FB Opt

1

Po

s

it

1

2

3

4

5

6

B

A

D

C

F

E

H

G

I

To HIM Di

s

pl

a

y

Motor Po

s

it E

s

t

0

1

2

4

5

226

263

Heidenh

a

in

0 Cnfg

264

Heidenh

a

in

0

S

ta

t

0

1

2

4

5

0

1

3

4

5

6

0

1

777

Po

s

it Fd

b

k

S

el

Acc

u

m

1

1-

Z

-1

Acc

u

m

1

1-

Z

-1

Encoder 0

/1

Regi

s

tr

a

tion

235

236

238

237

Encdr

0 Regi

s

Ltch

Enc

0

/1 Regi

s

Cnfg

Enc

0

/1 Regi

s

Ctrl

Enc

0

/1 Regi

sS

ta

t

239

Encdr

1 Regi

s

Ltch

Option 0

/1

Regi

s

tr

a

tion

257

254

255

256

Opt 0

Regi

s

Ltch

Opt

0

/1 Regi

s

Cnfg

Opt

0

/1 Regi

s

Ctrl

Opt

0

/1 Regi

sS

ta

t

258

Opt 1

Regi

s

Ltch

151

2

155

12

153

16

Control Option

s

(A

u

toT

a

ch

S

w)

Logic

S

ta

tus

(T

a

chLo

ss

S

w)

1

0

4

5

When p

777

=

3

,

Po

s

ition Fd

b

k will

follow p

222

[Mtr Fd

b

k

S

el Pri

]

**

Feed

ba

ck Proce

ss

ing

E

a

ch Feed

ba

ck device h

as

a

n FIR filter with the n

u

m

b

er of t

a

p

s

a

dj

us

tab

le

. Def

au

lt

s

etting for e

a

ch FIR filter i

s

8

ta

p

s

. Incre

as

ing the n

u

m

b

er of t

a

p

s

incre

as

e

s

the

filtering of the

S

peed feed

ba

ck

s

ign

a

l

. Red

u

cing the n

u

m

b

er of t

a

p

s

red

u

ce

s

the

filtering of the

S

peed feed

ba

ck

s

ign

a

l.

S

ee p

a

ra

meter de

s

cription

s

for the following

.

P

a

ra

meter

233

Encdr

0

/1

Config

P

a

ra

meter 259

S

tegm

a

nn

0 Config

P

a

ra

meter 263

Heidenh

a

in

0 Cnfg

P

a

ra

meter 268

Re

s

over

0 Config

Te

s

tPoint

s

P

245

S

pd Fd

b

k TP

S

el

P

246

S

pd Fd

b

k TP RPM

P

247

S

pd Fd

b

k TP D

a

ta

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