Ứng dụng PLC trong điều khiển thang máy - 13
NETWORK 87 LD T60 LD I0.2 O I0.1 O I0.0 A M1.5 LD I0.1 O I0.0 A M1.3 OLD LD I0.0 A M1.2 OLD LD M0.7 O M0.6 O M0.5 A I0.0 OLD LD M0.7 O M0.6 A I0.1 OLD LD M0.7 A I0.2 OLD ALD S Q0.0, 1 R Q0.1, 1 JMP 7 NETWORK 88 //Control motor lower elevator-room LBL 5 NETWORK 89 LD T60 LD I0.2 O I0.1 O I0.3 A M1.0 ...