使用photoeyes的blocked procedure和cleared procedure,例如:) M, i5 m; ]1 ~, B5 q6 C6 l
begin Conveyor.Photoeyes1 blocked procedure ) k8 C t/ q* b; V% G9 s& k% j if the load color = red then begin 7 k) E% Z. ^( \: R" C4 d/ z/ y7 Y travel to ........ ! Z/ @1 t8 n3 l" k end 8 P8 ^2 B8 s. b2 C3 z& f7 Yend 2 O g& [$ ~1 I