使用photoeyes的blocked procedure和cleared procedure,例如:5 l2 c+ N4 F; m9 z* f& R! ]& j
begin Conveyor.Photoeyes1 blocked procedure- L/ Y$ ]1 v& W3 x. p$ Q8 |! G
if the load color = red then begin 9 P% Z2 l6 ], |5 G2 K travel to ......../ d' Q Q& J. E1 o4 v$ }1 b0 O
end* @9 v1 u% Z& f+ |- Q
end 2 A4 q8 G ]0 K7 {& U) A