Allen-Bradley 1794-OC16 Flex I/O Output Module 16-Channel By wayne No Comments on Allen-Bradley 1794-OC16 Flex I/O Output Module 16-Channel 3 Min Read Buy the Allen-Bradley 1794-OC16 Flex I/O digital output module with 16 nonisolated sourcing outputs. It operates at 48V DC nominal with a 500mA per channel max.