Cascade Method

  • July 2020
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Cascade Method as PDF for free.

More details

  • Words: 352
  • Pages: 4
CASCADE METHOD

+/ M¹ch ®iÒu khiÓn 2 cascade I e1, e2 lµ tÝn hiÖu ®iÒu khiÓn vµo II a1, a2 lµ tÝn hiÖu ®iÒu khiÓn ra Khi cascade I cã khÝ nÐn, th× cascade II sÏ kh«ng cã khÝ e1 nÐn vµ ng−îc l¹i.

+/ M¹ch ®iÒu khiÓn 3 cascade e1, e2, e3 lµ tÝn hiÖu ®iÒu khiÓn vµo a1, a2, a3 lµ tÝn hiÖu ®iÒu khiÓn ra

a1

a2 e2

I II III a2

a1

Khi cascade I cã khÝ th× cascade II vµ III kh«ng cã khÝ, nghÜa lµ khi 1 cascade cã khÝ th× 2 cascade cßn l¹i kh«ng cã khÝ.

a3 e2

e1

e3

+/ M¹ch ®iÒu khiÓn 4 cascade I II III IV a1

a3 a4

a2

e2

e3

e1

e4

VÝ dô: A

S1

B

S2

S3

1.2

1.3 0

1

1

0 P

P S3

S2 1

0

S0

0

1

1.1 1

S4

0

0

1 S1 1

0

BiÓu ®å tr¹ng th¸i Tªn gäi Xilanh A Xilanh B

VÞ trÝ (+) (-) (+) (-)

1

2

Tr¹ng th¸i 3 4 5

S2

S1 S4 S3

6

7

S4

§iÒu khiÓn theo nhÞp

A

Yn+1

1.2 AND

0

1

1.1 Yn

1

On

0

OR

P Zn L

P Zn+1 L Xn

M¹ch logic cña chuæi ®iÒu khiÓn theo nhÞp

A1

A2

A3

A4

Zn S

R 1

S

R 2

S

R 3

S

R 4

Yn

Zn+1 Yn+1 &

&

&

&

X1

X2

X3

X4

BiÓu diÔn ®¬n gi¶n chuæi ®iÒu khiÓn theo nhÞp A1 Yn

A2 1

A3 2

A4 3

4

P

Yn+1 P

Zn

Zn+1 L

L X1

X2

X3

X4

VÝ dô: A

S1

1

B

S2

S3

1

0

0 P

P A1 Yn

A2

A3

A4

2

3

4

1

Yn+1

P

P

Zn

Zn+1 L

L X1

1

X2

X3

1

0

X4

1

0

1 1

0

0 1

0

1

0

BiÓu ®å tr¹ng th¸i Tªn gäi Xilanh A Xilanh B

VÞ trÝ (+) (-) (+) (-)

1

2

Tr¹ng th¸i 3 4 5

S2

S1 S4 S3

6

7

0

S4

Related Documents

Cascade Method
June 2020 11
Cascade Ref
October 2019 17
Net Cascade
December 2019 16
Cascade Control
October 2019 11
Shasta Cascade
May 2020 12
Cascade Control
April 2020 10