使用photoeyes的blocked procedure和cleared procedure,例如: " I: P c' P9 [begin Conveyor.Photoeyes1 blocked procedure" d a$ j; M/ p' p" j# d
if the load color = red then begin; V/ y5 h5 W4 E/ X' | l
travel to ........ 2 @2 I: W* E/ ?* ]% ^' B end) k f. ]* u( B5 C% f
end . g( Z5 p2 q+ [