PNEUMATIC SYSTEM 1.6 2(A) 1(P) 3(R) 1.4 2(A) 12(X) 14(Y) 1.2 1.3 2(A) 2(A) ON OFF 1(P) 3(R) 1(P) 3(R) Gambar 3.5 : Rangkaian pengunci “Dominan ON” 28