使用photoeyes的blocked procedure和cleared procedure,例如:( D1 L Q* E, @' Y/ k
begin Conveyor.Photoeyes1 blocked procedure 3 A5 i# n" l: x D& ]0 D if the load color = red then begin. K$ E* G3 J% c: W2 I# \& S
travel to ........ - ]8 U3 I$ n3 G& ]0 k2 M7 y end. t; \0 G, P2 M! u- [3 d8 i% w
end( s9 H( U6 m" q2 Q