The Allen-Bradley 1764-LRP is a high-performance processor unit designed for the MicroLogix 1500 Programmable Logic Controller (PLC) system. As the central processing core, it provides the logic, memory, and communication capabilities for the modular MicroLogix 1500 platform. This unit features a substantial 12K words of user memory, which can be flexibly configured for both program and data storage, accommodating complex control applications. It is equipped with an RS-232 communication port (Channel 0) that supports multiple protocols, including DF1, DH-485, and Modbus RTU Slave, ensuring versatile connectivity with various devices like HMIs and SCADA systems. A built-in Real-Time Clock (RTC) allows for time-based scheduling and event logging, making it ideal for applications requiring precise timing and data stamping.