Allen-Bradley 1769-L19ER-BB1B CompactLogix Ethernet Controller

Allen-Bradley 1769-L19ER-BB1B CompactLogix 5370 Ethernet Controller is a compact PLC that executes control logic and manages distributed I/O over EtherNet/IP networks in CompactLogix automation systems. It integrates embedded digital and analog I/O with a built-in dual-port EtherNet/IP interface and supports expansion via 1769 Compact I/O modules for scalable control in panels, packaging lines, material handling equipment, conveyors, pumps, and automated production machinery. Programmed with Studio 5000 Logix Designer, it is designed for industrial environments and is mounted on a DIN rail and powered by 24 V DC. Common replacements include Allen-Bradley 1769-L24ER-QB1B and 1769-L18ERM-BB1B, as well as Siemens 6ES7511-1AK02-0AB0, providing cross-reference options for upgrades or interoperability.