使用photoeyes的blocked procedure和cleared procedure,例如:* X- a' w: s$ \( |( |+ C2 }0 q* ]
begin Conveyor.Photoeyes1 blocked procedure, c" q$ I- \5 k6 Y
if the load color = red then begin* p+ a, O% r: @( A$ a: E% n* |
travel to ........, a( Y, \+ D7 H5 ]
end 9 r: u9 E! N- I5 q" }7 Aend / e, I. j5 N, o: l4 t