If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB CI504-PNIO 1SAP221300R0001 S500 Interface Module Product Overview The ABB CI504-PNIO 1SAP221300R0001 S500 Interface Module is a Profinet-enabled communication module designed for the ABB S500 automation series. This interface module bridges the S500 control system with Profinet networks, *Your Name: *Your Email: *Your Name: *Vdcode: Submit