使用photoeyes的blocked procedure和cleared procedure,例如: ! J& v% F, H: I8 zbegin Conveyor.Photoeyes1 blocked procedure" e- v: K, j) D9 E
if the load color = red then begin6 P# e2 L4 B* b" u. w
travel to ........ # z7 _: x0 G2 J$ U' j# A8 T end B+ }& j+ |, Bend0 g8 {/ H7 G# ~7 C