Allen-Bradley 1769-L19ER-BB1B CompactLogix 5370 L1 Controllers | JUAL Allen-Bradley 1769-L19ER-BB1B CompactLogix 5370 L1 Controllers CompactLogix L19 Controller, 24 VDC Only, Up to 8 Modules Expansion, POINT Bus Backplane, 16 DI (Sink), 16 DO (Source), 2 Ethernet Port (DLR), Up to 8 Ethernet/IP nodes, 1MB User Memory, 1GB SD Card Inbox