I-Allen-Bradley 1747-BSN iyimojula yesithwebuli sokusekelayo.Isikena esiyisipele se-1747-BSN siyatholakala ngokungasebenzi kabusha kwe-I/O ekude (RIO).I-1747-BSN ifakwe ukushintsha kwesiteshi se-RS-232 ukuze kuxhunyanwe namadivayisi afana ne-opharetha interface.Le mojula futhi inesixhumanisi se-DH+.Le mojula isethi yamamojula ahambisanayo, anemojula eyodwa etholakala ohlelweni oluyinhloko namanye amamojula ohlelweni lwesibili noma oluyisipele.Imojuli eyinhloko ilawula yonke imisebenzi yerimothi ye-I/O.