使用photoeyes的blocked procedure和cleared procedure,例如: ) U7 L' o/ f8 [! l( ~, y0 _0 Y, Nbegin Conveyor.Photoeyes1 blocked procedure / g2 {$ Y+ O% g# k& { if the load color = red then begin6 x) g* W. V, G. g. q& R' g4 I
travel to ........ 3 R/ h5 L J; Z* U- }' o' e4 u0 J9 d end - w% z6 m* N7 k2 c6 C# c! Pend' Q) e7 u$ V7 W6 W. F