使用photoeyes的blocked procedure和cleared procedure,例如: ( s3 S0 s; ]. {( R' `" E( ]6 \begin Conveyor.Photoeyes1 blocked procedure , T. R/ j% J& W) v if the load color = red then begin ! w5 J3 U6 H ~* C travel to ........% G6 z$ L0 O' v; d8 Q
end! V( s' B5 u2 S0 Q1 R( Y
end4 e- a) ` m; r1 \; I2 D& t/ d