使用photoeyes的blocked procedure和cleared procedure,例如: * w+ \* p6 u8 i& I* ubegin Conveyor.Photoeyes1 blocked procedure o+ ]( b: M) ~( L5 c) i( W
if the load color = red then begin , F, h/ H* t/ G' u C; a travel to ........ $ P4 Z6 ~; H7 x4 `: } end . I$ U) \5 O" g; gend) K: a# v2 |7 y" O( M& h4 b9 z