The 1746-FIO4I is a discontinued fast analog I/O module for SLC500 systems, featuring 4 points with 2 differential analog inputs (0-10 VDC / 0-20 mA) and 2 current outputs (0-20 mA). It offers 12-bit input and 14-bit output resolution. This product includes Radwell's 2-year warranty (manufacturer warranty not applicable).