A M 0.0
AN DB11.DBX 6.2
= L 1.0





A L 1.0
A(
L DB21.DBD 70
L L#3
==D
)
= M 21.1
A L 1.0
A(
L DB21.DBD 70
L L#4
==D
)
= M 21.2
A L 1.0
A(
L DB21.DBD 70
L L#2
==D
)
= M 21.3
A L 1.0
A(
L DB21.DBD 70
L L#5
==D
)
= M 21.4
A M 0.0
= L 1.0
A L 1.0
A(
O M 21.1
O
A DB11.DBX 6.2
A I 6.3
)
FP M 20.0
S "M3_标志"
A L 1.0
A(
O M 21.2
O M 21.3
O I 3.7
O
A DB11.DBX 6.2
A I 6.2
)
FP M 20.1
R "M3_标志"
A M 0.0
= L 1.0
A L 1.0
A "M3_标志"
= Q 42.6
= Q 4.3
= DB37.DBX 4.7
A L 1.0
AN "M3_标志"
= Q 4.2


其中Q42.6为主轴正转继电器
当我运行了M03S100后，如果按复位，由于没有运行M02，致使DB21.DBD 70=3一直都没变，这时候如果从手动切换到自动或者MDA状态下，主轴自动就转了起来。