使用photoeyes的blocked procedure和cleared procedure,例如:- G/ U; B& P+ G
begin Conveyor.Photoeyes1 blocked procedure " f4 c1 ]( m9 n' Y/ [8 s if the load color = red then begin) `; k% O/ U% S! p
travel to ........5 [, J) p+ c6 R- i: {+ X* ]& [
end - n2 _% a$ B: I6 c. K Mend6 e2 y/ R) A: l! `7 D