Allen-Bradley 1794-IB10XOB6 – 10/6 Digital Combo I/O Module By wayne No Comments on Allen-Bradley 1794-IB10XOB6 – 10/6 Digital Combo I/O Module 2 Min Read Buy the Allen-Bradley 1794-IB10XOB6 Flex I/O module. It features 10 current sink inputs and 6 current source outputs at 24 VDC. Order now.