1764-MM3RTC AB Allen-Bradley PLC Memory Module and Real-Time Clock MicroLogix 1500 1764 Series Original brand new

1764-MM3RTC AB PLC Memory Module and Real-Time Clock MicroLogix 1500 1764 Series Original brand new

The MicroLogix 1500 programmable controller Memory Modules/Real-Time Clock

Catalog Number	Function	Memory Size
1764-RTC	Real-Time Clock	not applicable
1764-MM1	Memory Module	8K
1764-MM1RTC	Memory Module and Real-Time Clock	8K
1764-MM2	Memory Module	16K
1764-MM2RTC	Memory Module and Real-Time Clock	16K
(1) For 1764-LRP programs greater than 8k, use the 1764-MM2 or 1764-MM2RTC.
1764-MM3	MicroLogix 1500 16 KB Memory Module with recipe data storage
1764-MM3RTC	MicroLogix 1500 16 KB Memory Module with recipe data storage and Real-Time Clock