使用photoeyes的blocked procedure和cleared procedure,例如:' w0 v: @/ N+ t
begin Conveyor.Photoeyes1 blocked procedure & f- a+ ^1 ?$ Z. z/ T if the load color = red then begin: E& x) w' d" n' C6 y! t
travel to ........ 4 y! t- x- X/ V: y1 l" Z& ?- ?2 v end + ^9 t) `$ ` M! Y3 iend' I' f% [* F/ Z" d