使用photoeyes的blocked procedure和cleared procedure,例如:; A' x6 E# @0 W8 ]8 H% j4 \/ D
begin Conveyor.Photoeyes1 blocked procedure8 [& c1 _7 S5 U/ L% {. ~) w' F
if the load color = red then begin 8 `' Y" Z$ Q0 j: i; H" O7 f travel to ........ 1 ~) u9 I; U2 k m3 V% M" H end + o3 ?0 q l" m2 |# D( Vend5 v% J3 s* g; ]7 ?