Here's some key information about the 1769-L24ER-QBFC1B module:

The module is part of the CompactLogix L2/E controller family, which is designed for mid-range to high-end applications.

It has 24 digital inputs and 16 digital outputs, which are electrically isolated and support both sinking and sourcing input/output types.

The QBFC1B designation typically refers to the firmware revision or version of the controller. It may indicate specific features or improvements compared to previous firmware versions.

The module supports EtherNet/IP communication protocol, allowing it to integrate into industrial networks and communicate with other devices such as I/O modules, HMI (Human Machine Interface) panels, and supervisory control systems.