Allen-Bradley 1769-L19ER-BB1B CompactLogix 5370 Ethernet 1769L19ERBB1B

Description:

The Allen-Bradley 1769-L19ER-BB1B CompactLogix 5370 Ethernet Controller (1769L19ERBB1B) is used in CompactLogix automation systems to execute control logic and manage distributed I/O over EtherNet/IP networks. Commonly installed in machine control panels, packaging systems, material handling equipment, and small-to-medium industrial automation applications where integrated I/O and Ethernet communication are required. Maintenance teams, OEMs, and system integrators use this controller for new machine builds, PLC upgrades, panel retrofits, and scalable networked control solutions.

Applications:

The 1769-L19ER-BB1B controller is widely used in industrial environments to control conveyors, pumps, compressors, and automated production machinery. With embedded I/O and integrated Ethernet ports, it supports compact machine architectures and real-time communication in manufacturing plants, water treatment facilities, and processing operations where reliable PLC performance and network connectivity are essential.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part number: 1769-L19ER-BB1B
• Product type: CompactLogix 5370 Ethernet controller
• Communication: Integrated dual-port EtherNet/IP
• Integrated I/O: Embedded digital and analog I/O
• Supported expansion: 1769 Compact I/O modules
• Programming software: Studio 5000 Logix Designer
• Mounting: DIN rail
• Power supply: 24 V DC
• Application environment: Industrial automation systems

Common Replacements:

• Allen-Bradley 1769-L24ER-QB1B
• Allen-Bradley 1769-L18ERM-BB1B
• Siemens 6ES7511-1AK02-0AB0