Allen-Bradley 1794-IV32 FLEX I/O 24 VDC Input Module By wayne No Comments on Allen-Bradley 1794-IV32 FLEX I/O 24 VDC Input Module 3 Min Read The 1794-IV32 is a 32-channel sourcing input module for Allen-Bradley Flex I/O. It accepts 24 VDC nominal voltage and features configurable filter times for reliable signal processing.