Allen-Bradley 1794-IB16 Flex I/O Sink Input Module 24VDC, Used-Module Consists Of Allen-Bradley 92423071 1794-IB16 Sink Input Module Series A Revision A01 Flexbus 5VDC 30mA, Supply 24VDC 25mA, Input 10-31.2VDC 12mA, & 92415271 1794-TB3S Flex I/O Base Series A Revision A01-See Pictures