使用photoeyes的blocked procedure和cleared procedure,例如: ( f5 W( O$ B K; {+ Dbegin Conveyor.Photoeyes1 blocked procedure8 z# P0 Q9 G" R1 ~* a
if the load color = red then begin" n5 x, o. E- E4 C
travel to ......../ n4 _$ S3 ]6 `; }
end 8 K; J2 z7 G& c" \; c# M- wend' J ^4 C, z: l* J% B) {2 K