Duelco DSC-MI16Product ID: 1103421DSC MI16 is an input extension unit. DSC MI16 gives you the advantage of additional 16 digital inputs.PDF files: Duelco DSC-MI8-MI16 data sheetDuelco Safety Controller manualDuelco DSC-CSU manualDuelco DSC-Expans modules manualDuelco DSC-Fieldbus manualDuelco DSC-MCM manualDuelco DSC-MCT manualDuelco DSC-MSC manualDuelco DSC-MV manual