Here are some key features of the 1769-L19ER-BB1B controller:

CPU: The L19ER-BB1B is equipped with a 1.5 MB memory capacity and a 1.2 GHz dual-core processor.

Ethernet/IP Communication: It has two built-in Ethernet ports, which support EtherNet/IP protocol for device-level and control-level networks.

I/O Modules: The 1769 Compact I/O modules can be installed alongside the controller to provide additional I/O capabilities. The modules are hot-swappable and plug into the backplane of the CompactLogix system.

Integrated Motion Control: The L19ER-BB1B supports integrated motion control capabilities, allowing you to perform complex motion control applications using the built-in controller functionality.

Programming Software: The programming software used with the CompactLogix controllers is called Studio 5000 Logix Designer. It provides a comprehensive development environment for programming, configuring, and troubleshooting the controller.