{"product_id":"ab-allen-bradley-1764-mm2rtc-memory-module-for-micrologix-1500","title":"AB Allen Bradley 1764-MM2RTC Memory Module for MicroLogix 1500","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1764-MM2RTC\u003c\/strong\u003e is a plug-in memory module with an integrated Real-Time Clock (RTC) for \u003cstrong\u003eMicroLogix 1500\u003c\/strong\u003e controllers. It provides \u003cstrong\u003e16 KB\u003c\/strong\u003e of non-volatile memory for program\/data backup and time\/date functionality for scheduling and logging—combining two functions in one slot to optimize controller resources.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 1764-MM2RTC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MicroLogix 1500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Capacity:\u003c\/strong\u003e 16 KB EEPROM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRTC Accuracy (worst-case per month):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e@ 0°C: +34 to –70 sec\u003c\/li\u003e\n\u003cli\u003e@ +25°C: +36 to –68 sec\u003c\/li\u003e\n\u003cli\u003e@ +40°C: +29 to –75 sec\u003c\/li\u003e\n\u003cli\u003e@ +55°C: –133 to –237 sec\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Internal, non-replaceable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life Expectancy:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eOperating: 5 years @ 0–40°C\u003c\/li\u003e\n\u003cli\u003eStorage: 5 years @ –40°C to +25°C; 3 years @ +26°C to +60°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Via controller backplane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e 350 mA @ 5 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e 1.75 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e –40°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Controllers:\u003c\/strong\u003e 1764-LSP, 1764-LRP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Base Units:\u003c\/strong\u003e 1764-24AWA, 1764-24BWA, 1764-28BXB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Compatibility:\u003c\/strong\u003e RSLogix 500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsert into memory module slot on MicroLogix 1500 base\u003c\/li\u003e\n\u003cli\u003eSupports hot-swap under power\u003c\/li\u003e\n\u003cli\u003eModule not recognized until the controller enters Program or Fault mode, or after a power cycle\u003c\/li\u003e\n\u003cli\u003eIf removed, RTC function file is zeroed\u003c\/li\u003e\n\u003cli\u003eUse “Disable Clock” before long-term storage\u003c\/li\u003e\n\u003cli\u003eObserve ESD precautions; no external wiring required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42483974406211,"sku":"1764-MM2RTC","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/1764-MM2RTC_2_1.png?v=1755074199","url":"https:\/\/www.plcdcspro.com\/products\/ab-allen-bradley-1764-mm2rtc-memory-module-for-micrologix-1500","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}