使用photoeyes的blocked procedure和cleared procedure,例如: ; _. g, N ~5 q, K- G; nbegin Conveyor.Photoeyes1 blocked procedure/ H0 {! ?( u. b1 E" L) |/ H( u
if the load color = red then begin ' i* l% R7 Y* _ travel to ........! E6 d& b3 F- J" {" E
end0 G- @9 D& I; q3 Z
end; H0 W9 S, I, a# N5 \