{"product_id":"1747-m1-allen-bradley-slc-500-eeprom-memory-module","title":"1747-M1 | Allen Bradley SLC 500 EEPROM Memory Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1747-M1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-integrity non-volatile memory storage solution for the SLC 500 controller platform. This EEPROM module provides a secure repository for user programs and data tables, ensuring the processor retains critical logic during power loss or battery failure. We supply this component as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, serving as a vital hardware backup for legacy SLC 5\/01 and 5\/02 systems to prevent costly downtime and loss of automation code.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe 1747-M1 provides specialized storage parameters for SLC 500 processors:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEEPROM Memory Device\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Kilobytes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInstruction Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1,000 Instructions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-volatile Program\/Data Table Storage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackup Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFlash\/EEPROM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.25 lbs (0.11 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC 500 (Modular and Fixed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Scan Time Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.225 milliseconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Volatile Logic Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1747-M1 utilizes EEPROM technology to store the controller's executive code and data. This eliminates reliance on the internal RAM battery, protecting your industrial process from logic erasure during long-term shutdowns.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid System Recovery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn the event of a processor fault or hardware swap, the 1747-M1 allows the new controller to auto-load the stored program. This \"Plug-and-Play\" recovery capability significantly reduces Mean Time to Repair (MTTR) in critical manufacturing environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Scan Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports high-speed execution with a 0.9 ms program scan time and a 0.225 ms I\/O scan time. This ensures that the addition of external memory does not compromise the high-speed response required for discrete control applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Compact Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWeighing only 0.25 lbs, the module plugs directly into the processor’s internal memory socket. This internal mounting preserves valuable chassis slots for I\/O modules while providing maximum data protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware-Based Code Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOnce you burn the program to the 1747-M1, the module acts as a physical \"Master Copy.\" This prevents unauthorized or accidental modifications to the active controller RAM from becoming permanent, maintaining the original validated logic state.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1747-M1 require an external power source to retain data?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The EEPROM technology retains all stored data and instructions without any power. You can store this module on a shelf or inside an unpowered rack for years without losing the program.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Allen Bradley processors support the 1747-M1 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module specifically supports the SLC 5\/01 and SLC 5\/02 modular processors, as well as several fixed SLC 500 controllers. Always verify the memory socket compatibility on your specific CPU before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the procedure for transferring a program to the 1747-M1?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must utilize the \"Burn to EEPROM\" command within your programming software (such as RSLogix 500). The processor transfers the contents of its active RAM to the 1747-M1 module for permanent storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a factory-sealed unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. We guarantee this 1747-M1 is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal hardware. It arrives in the original Allen Bradley factory-sealed anti-static packaging with the verifiable UPC (662073521648) intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52477510549813,"sku":"1747-M1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1747-M1.png?v=1774420624","url":"https:\/\/www.5gplc.com\/products\/1747-m1-allen-bradley-slc-500-eeprom-memory-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}