It is a part of the Allen-Bradley CompactLogix 5370 series programmable automation controller (PAC) system.
Here's some information about the 1769-L27ERM-QBFC1B module:
Controller Type: The 1769-L27ERM-QBFC1B is a CompactLogix 5370 Programmable Automation Controller.
Processor: It is equipped with a high-performance dual-core 1.5 GHz processor to handle complex control tasks.
Memory: The module has 4 MB of user memory for program storage and 2 MB of user memory for data storage.
Communication Ports: It features an Ethernet port for communication with other devices or network connections.
I/O Capacity: The module supports local and remote I/O modules to expand the system's input/output capabilities. The exact I/O capacity would depend on the specific configuration of the system.
Integrated Features: It includes built-in features like a USB port for programming and configuration, an SD card slot for data logging, and a serial port for serial communication.