2

1 3

PB1

A 1

2

1 3

2

1 3

PB1 PB2

A 1

2

1 3

PB1

A 1

2

1 3

2

1 3

4 2

51

32

1 3

PB1 PB2

A 1

2

1 3

4 2

51

32

1 3

LS1

PB1 LS1

A 1 LS1

2

1 3

LS1

4 2

51

32

1 3

LS2

LS1 LS2

A 1 LS2LS1

1. Direct Control of Single acting Cylinder 2. Direct Control of Double Acting Cylinder

3. Indirect Control of Single Acting Cylinder 4. Indirect Control of Double acting Cylinder/Memory Circuit

5. Automatic Return of Double Acting Cylinder 6. Continuous Reciprocation

PNUEMATICS EXERCISES:

LS1 LS2

4 2

51

3

4 2

51

3

2

1 3

2

1 3

LS1

2

1 3

LS2

PB1 LS1 LS2

A 1 A 2

LS1LS3 LS2

4 2

51

3

4 2

51

3

2

1 3

2

1 3

LS1

2

1 3

LS2

PB1 L S1 LS2

A 1 A 2

2

1 3

LS3

LS3

7. Sequence no.1 (A+, B+, A&B-)

8. Sequence no. 2 (A+, B+, A-, B-)

PNUEMATICS EXERCISES:

4 2

51

3

2

1 3

PB1

A 1

Using Shuttle Valve ( OR valve)

1 12

2

1 3

PB2 2

1 3

PB3

4 2

51

3

2

1 3

PB1

A 1

Using Two-way pressure valve( AND valve)

2

1 3

PB2 2

1 3

PB3

1 12

4 2

51

3

2

1 3

PB1

A 1

PB2 2

1 3

30%

One –way Flow control Valve

9. Logic Circuits – OR valve and AND Valve

PNUEMATICS EXERCISES: