使用photoeyes的blocked procedure和cleared procedure,例如:8 W; K- ~- W0 U/ S& v7 @ E
begin Conveyor.Photoeyes1 blocked procedure " H0 s- x9 b, ~/ Z% g( ^ if the load color = red then begin! X6 X/ ? U* X; S' L$ f3 f* z
travel to ........ 4 N5 U. }: t8 K u1 ~: L' N* \ end / a) s4 r" Z9 |. u- `: T" Xend 5 H5 s+ n+ h+ \) ~