使用photoeyes的blocked procedure和cleared procedure,例如:0 H5 k0 I- P9 r8 n
begin Conveyor.Photoeyes1 blocked procedure* Y& K$ i1 X y* Z9 E# F
if the load color = red then begin 6 e2 @; t0 _1 P6 ~" L! K* [ travel to ........3 D8 F% R" m1 e2 L# [% g
end! E# G x# h* y# w
end , a8 T9 p- Y0 I