FX-PCX3731-0 | FX-PCX W/ 8 BI; 8 BO; FX-PCX EXPANSION I/O MODULE FOR FX-PC SERIES CONTROLLERS W/ 8 BI; 8 BO SKU: FX-PCX3731-0 Parent Item Parent Item - Additional Cost Has Item Option Details FX-PCX3731-0 | FX-PCX W/ 8 BI; 8 BO; FX-PCX EXPANSION I/O MODULE FOR FX-PC SERIES CONTROLLERS W/ 8 BI; 8 BO Documentation Data Sheet DetailsDocumentationBackFX-PCX3731-0 | FX-PCX W/ 8 BI; 8 BO; FX-PCX EXPANSION I/O MODULE FOR FX-PC SERIES CONTROLLERS W/ 8 BI; 8 BOBack Data Sheet