Shows a pneumatic circuit in which four actuators are controlled.

(a) State the sequence in which the cylinders operate on the operation of the start valve. .

(b) Show, with aid of a schematic diagram, how an electronic controller could be included in the Circiut to control the sequence of cylinder operations.

Transcribed Image Text:

FIG. 2 A & 11/M 1 ao a 1 ㅗ ao B B ST pm AZ 1 bo В. Select GP I b₁ ㅗ C₁ с ㅗ Co Select GP II C1 ㅗ 1 1 T | D a₁ ²17 217 Zw «‚011/2m Am ㅗ do Do d₁ ㅗ Group II Group I FIG. 2 A & 11/M 1 ao a 1 ㅗ ao B B ST pm AZ 1 bo В. Select GP I b₁ ㅗ C₁ с ㅗ Co Select GP II C1 ㅗ 1 1 T | D a₁ ²17 217 Zw «‚011/2m Am ㅗ do Do d₁ ㅗ Group II Group I