使用photoeyes的blocked procedure和cleared procedure,例如:8 {. G5 f0 V; K; V4 z% M( z6 v
begin Conveyor.Photoeyes1 blocked procedure! q2 P6 |6 w3 L+ C
if the load color = red then begin 5 L) f) P2 ?6 ]- K- E% D( Y6 ~2 U$ z% y travel to ........0 F' Y/ p9 I$ N0 x1 f' \
end4 E: z, g5 \5 M6 q* g( G& y
end ; g/ Y5 }- e" j& T) |