使用photoeyes的blocked procedure和cleared procedure,例如:3 `" D# e/ R" i
begin Conveyor.Photoeyes1 blocked procedure9 A3 ~( e" o6 _; v z
if the load color = red then begin " g" E7 _( L1 A y# r9 Y. H travel to ........# F' ?! F) ^1 w1 V" w; j
end A0 @0 Y5 I" f m
end + X6 ^5 v5 }$ _2 r5 ^" W+ T7 n