Here are some key features of the 1747-L552 module:

Processing Power: The 1747-L552 module is a high-performance processor that provides fast execution times for ladder logic programs.

Memory: It has 32K words of user memory, which can be expanded using additional memory modules.

Communication: The module has built-in communication ports to connect to various devices and networks. It supports serial communication protocols, such as RS-232 and RS-485, as well as Ethernet communication using an optional module.

Programming: The 1747-L552 module can be programmed using RSLogix 500 software, which is a standard programming environment for Allen-Bradley SLC 500 series PLCs.

I/O Capability: It supports a wide range of input and output modules, allowing you to connect to various types of sensors, actuators, and other devices.

Data Handling: The 1747-L552 module supports advanced data handling capabilities, such as data manipulation, math, and logic functions, which enable complex control and automation tasks.

Redundancy: It supports redundancy configurations, where a backup processor can take over in case the primary processor fails, providing increased system availability.