Elektro pneumatik

46
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Transcript of Elektro pneumatik

Page 1: Elektro pneumatik

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Page 2: Elektro pneumatik

SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

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• SISTEM ELECTROPNEUMATIC

• Apa itu elektropneumatik

• Struktur kawalan elektropneumatik

• Dc power supply

• Manual actuation

• Contacts

• Mechanical actuation

• Relay and actuation coil symbols

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

APA ITU ELECTROPNEUMATIC?

Gabungan 2 jenis kuasa iaitu kuasa elektrikal dan kuasa pneumatik.

Apabila dua jenis kuasa ini digabungan kita dapat satu kawalan.

Kawalan ini menggunakan (hard wire system) .

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Struktur kawalan Electropneumatic

Signal element/input

Processing element

Control element/output

415 v Ac

240 v Ac

110 v Ac

24 v Dc

12 v Dc

Sensor

Limit switch

Push button

Pressure switch

Timer

Counter

Relay

Lamp

Valve

Contactor

Buzzer

Electrical energy

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

DC Power Supply

Ada 4 tahap untuk mendapatkan Direct current iaitu:-

• Transformer

• Rectifier (Diode)

• Filter (capacitor)

• Regulator

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

DC Power Supply

Transformer (Pengubah)

Transformer berfungsi dalam power supply sebagai step down 240v AC kepada 24v AC .

Simbol transformer

240v AC 24v AC

Arus ulangalik 240v AC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

DC Power Supply

Rectifier (Penerus)

Rectifier berfungsi dalam power supply sebagai penukar arus 24v AC kepada 24v DC.

Simbol Rectifier

Arus ulangalik 24v AC

input

input

+

-

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Filter (Penapis)

DC Power Supply

Filter berfungsi dalam power supply sebagai penapis gangguan arus terus.

Simbol Capacitor Arus terus 24v DC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

DC Power Supply

Regulator (Alat atur)

Regulator berfungsi dalam power supply sebagai pengatur voltan yang di diperlukan.

24v DC

Simbol Regulator

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC DC Power Supply

Rectifier

Transformer Filter Regulator240v Ac 24v Dc

(Pengubah)(Penerus)

(Penapis) (Pengatur)

(+)

(-)

(L)

(N)

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Start Stop Normally open contact

Normally close contact

Simbol Elektropneumatik

Manual Actuation Contacts

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Roller limit switch open contact

Roller limit switch close contact

Simbol Elektropneumatik

Mechanical Actuation

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Relay and actuation coil symbols

Relay Coil AC Relay CoilTimer Coil

Solenoid valve

K1

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Directional control valveDirectional control valve

Switching position

Air flow open (Pengaliran udara buka)

Air flow shut (Pengaliran udara tutup)

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- Way valve d.c.v

Kira bilangan sambunganKira bilangan kotak

2 2

- Way valve d.c.v32

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Directional control valve

A

P R

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Electrical Actuation (D.C.V)

5/2 way d.c.v

5/2 way d.c.v

solenoid actuationspring return

solenoid actuationsolenoid return

A B

PS R

A B

PS R

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTION

• Yes function

• Not function

• Or function

• And function

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTIONLitar kawalan (Yes function)

Start push button

24v dc

0v dc

lamp

(+)

(-)

Start push button

0v dc

24v dc

lamp

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTIONLitar kawalan (Not function)

Stop push button

24v dc

0v dc

Stop push button

0v dc

24v dc

lamp lamp

(+) (+)

(-) (-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTION

Litar kawalan (OR function)

24v dc

0v dc

S1 S2

lamp

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

S1 S2

0v dc

lamp

LOGIC FUNCTION

Litar kawalan (OR function)

24v dc (+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTION

Litar kawalan (OR function)

S1 S2

0v dc

24v dc

lamp

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Litar kawalan ( And function)

24v dc

0v dc

S1

S2

lamp

LOGIC FUNCTION

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

LOGIC FUNCTION

24v dc

0v dc

S1

S2

lamp

Litar kawalan ( And function)

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Litar kawalan ( And function)

24v dc

0v dc

S1

S2

lamp

LOGIC FUNCTION

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

RelayRelay (geganti)

•Relay pada asasnya adalah sejenis suis yang boleh dikawal dari jarak jauh.

•Relay berfungsi sebagai suis untuk menentukan samada sesuatu system itu ‘ON’ atau ‘OFF’ .

•Relay dibuat dengan menggunakan prinsip elektro mangnet.

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

(+) (-)

Relay MY 2

Coil

(C) (C)

(N/C) (N/C)

(N/O) (N/O)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

(+) (-)

Relay MY 2

Coil

(C) (C)

(N/O) (N/O)

(N/C) (N/C)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

(+) (-)

Relay MY 4

(C) (C)(C)(C)

(N/O) (N/O)(N/O)(N/O)

(N/C) (N/C) (N/C) (N/C)

Coil

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

(+) (-)

Relay MY 4

(C) (C)(C)(C)

(N/O) (N/O) (N/O) (N/O)

(N/C) (N/C) (N/C) (N/C)

Coil

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Relay

K1

K1

14

13

K1

9

5

10

6

Lamp

24v dc

0v dc

Self holding

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

K1

K1

14

13

K1

9

5

10

6

Lamp

Relay

0v dc

24v dc (+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Solenoid

Gegelung Solenoid berfungsi untuk menggerakkan posisi valve pneumatik iaitu dengan medan magnet yang terhasil.

Binaan gegelung solenoid terdiri daripada sebatang besi lembut yang dililit oleh wayar tembaga .

Apabila wayar tadi disalurkan dengan arus elektrik maka besi lembut tadi akan menghasilkan daya gerak elektrik (DGE). Besi lembut tadi menjadi magnet sementara.

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Solenoid

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

Solenoid

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

A B

S RP

24v dc

Y1

Start

Stop

K1

K1 K1 K1

Y114

13Lamp

9

5

10

6

11

7

0v dc

(+)

(-)

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

A B

S RP24v dc

Y1

Start

Stop

K1

K1 K1 K1

Y114

13Lamp

9

5

10

6

11

7

0v dc

(+)

(-)

A

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

A B

Y1 Y2

24v dc

S1

K1

K1 K1

Y114

13

9

5

10

6

0v dc

(+)

(-)

13

K2

S2

14

K2

Y2

9

5K2

10

6

Lamp Lamp

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

A B

Y1 Y2

24v dc

S1

K1

K1 K1

Y114

13

9

5

10

6

0v dc

(+)

(-)

13

K2

S2

14

K2

Y2

9

5K2

10

6

Lamp Lamp

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SISTEM ELECTROPNEUMATICSISTEM ELECTROPNEUMATIC

A B

Y1 Y2

24v dc

S1

K1

K1 K1

Y114

13

9

5

10

6

0v dc

(+)

(-)

13

K2

S2

14

K2

Y2

9

5K2

10

6

Lamp LampK1

Page 46: Elektro pneumatik

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