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The Allen-Bradley 1764-MM1RTC is a versatile component of the 1764 MicroLogix family, combining an 8KB memory module with a real-time clock, designed for precision timing and reliable data storage. It seamlessly integrates with the controller, supporting applications like HVAC scheduling and water process management by providing crucial time-based coordination. This module ensures program retention independently of battery charge and facilitates program transfer between controllers, while the real-time clocks accuracy varies with ambient temperature, ranging from ±34 to 70 seconds per month, ensuring dependable operation across diverse environments.