使用photoeyes的blocked procedure和cleared procedure,例如: 8 o( F& |( P8 e) vbegin Conveyor.Photoeyes1 blocked procedure. q1 h( f6 c$ F5 `! D
if the load color = red then begin# g8 Z0 p( F; }; d. A
travel to ........ + r5 U) z, H( _( t! E end6 W; I8 Q* S" ]" m) g
end / \2 ~. X, H8 ~+ s% k+ G. `" D1 g