使用photoeyes的blocked procedure和cleared procedure,例如: 0 H u- Y7 r y4 Y% fbegin Conveyor.Photoeyes1 blocked procedure . c4 n9 p D+ D$ V" q2 X/ F2 D if the load color = red then begin! {# |$ C7 z) x/ ?+ w% ~) B- S
travel to ........4 S$ F% x6 {/ x
end 0 C% X! F4 S1 N; ~8 U8 Pend / C6 I" j, H& R( u! _8 X