Pid control block, Fig 6.63 pid control block – Yaskawa Matrix Converter User Manual

Page 265

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6

-100

„

PID Control Block

The following diagram shows the PID control block in the MxC.

Fig 6.63 PID Control Block

Option Card

Serial Com

Terminal A1

d1-01

d1-02

d1-16

Terminal A2 or A3 PID

target

v

al

u

e

MEMOBUS comm

u

nications

register 06 H PID target

v

al

u

e

Fre

qu

ency reference

terminal A3 PID feed

b

ack

Z

-1

b

5-03

+

+

P

b

1-01

0

1

2

3,4

Fre

qu

ency reference

u

sing m

u

lti-step command

PID Inp

u

t

V

ol

u

me

(U1-36)

Set PID target

v

al

u

e in

m

u

lti-f

u

nction analog inp

u

t

Set

b

it 1 of MEMOBUS

register 0FH to 1

b

5-01=2,4

b

5-01=1,3

Proportional

gain (P)

b

5-02

+

+

b

5-17

-1

Select m

u

lti-f

u

nction inp

u

ts

PID inp

u

t characteristics

PID SFS Cancel

H3-05 or

H3-09=B

O

u

tp

u

t fre

qu

ency

1

T

b

5-05

− T

1

-1

PID O

u

tp

u

t

Gain (

b

5-10)

Z

-1

Z

-1

Fre

qu

ency reference

(U1-01)

PID command (U1-3

8

)

Integral (I) time

b

5-03

Store integral

u

sing

m

u

lti-f

u

nction inp

u

ts

I limit

b

5-01=1,3

b

5-01=2,4

Deri

vati

ve

time

Integral reset

u

sing

m

u

lti-f

u

nction inp

u

ts

PID limit

b

5-06

PID Limit

PID Primary Delay

Time Constant

b

5-0

8

PID Offset

Adj

u

stment (

b

5-07)

Select PID O

u

tp

u

t

Le

v

el Selection

(b

5-09)

+

+

+

+

+

+

+

+

+

+

PID O

u

tp

u

t Monitor

(U1-37)

b

5-01=0

b

5-01=3,4

b

5-01=1,2

PID ON

PID OFF

M

u

lti-f

u

nction inp

u

t PID control cancel

signal is on. PID is off

u

nder the

follo

w

ing conditions:

b

5-01 = 0

D

u

ring JDG command inp

u

t

b

5-11=0

b

5-11=1

Ena

b

le/disa

b

le re

v

erse operation

w

hen PI o

u

tp

u

t is negati

v

e

Upper limit

Fmax x109%

Lo

w

er limit 0

Upp

w

er limit

Fmax x109%

Lo

w

er limit

-(Fmaxx109%)

+

+

0

+

1

1

Z

-1

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