{"product_id":"allen-bradley-1747-m11-slc-500-memory-module","title":"Allen-Bradley 1747-M11 SLC 500 Memory Module","description":"\u003cp\u003eConfigured for non-volatile logic retention in SLC 500 processors, the \u003cstrong\u003eAllen-Bradley 1747-M11\u003c\/strong\u003e (\u003cstrong\u003e1747-M11\u003c\/strong\u003e Memory Module) provides direct physical\/electrical execution of program and data table backup across supported controller platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1747-M11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg (0.25 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eDirect socket processor mount footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard SLC 500 rating (0 to 60 deg C operational)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive onboard memory cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e8 KB (1,000 instructions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Memory Type\u003c\/td\u003e\n\u003ctd\u003eFlash EEPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory Support\u003c\/td\u003e\n\u003ctd\u003eUp to 32 KB backup capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n\u003ctd\u003e0.9 ms base controller execution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Scan Time\u003c\/td\u003e\n\u003ctd\u003e0.225 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Compatibility\u003c\/td\u003e\n\u003ctd\u003eSLC 5\/03, SLC 5\/04, SLC 5\/05 (1747-L532, L541, L542, L543)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncompatible Hardware\u003c\/td\u003e\n\u003ctd\u003e1746-BAS, 1746-BAST modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Backplane \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe EEPROM memory module plugs directly into the processor socket, retaining controller logic and configuration tables independent of battery backing voltage. During controller boot execution, memory contents load directly onto the local bus, ensuring firmware flash compatibility and immediate data restoration. Backplane bus communication velocity remains uninterrupted, permitting rapid initialization of connected rack I\/O modules and high-speed scanner links across deterministic industrial networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Which hardware series revision limits apply when pairing the 1747-M11 with SLC 5\/03, 5\/04, or 5\/05 controllers?\u003c\/p\u003e\n\u003cp\u003eA: Series A 1747-M11 modules are restricted to SLC 5\/03 Series A or B processors, whereas Series B 1747-M11 modules are required for SLC 5\/03 (OS302), SLC 5\/04 (OS401), and SLC 5\/05 processors.\u003c\/p\u003e\n\u003cp\u003eQ: Is an auxiliary adapter required when burning programs via an external socket programmer?\u003c\/p\u003e\n\u003cp\u003eA: Yes, interfacing the 1747-M11 module with a user-supplied PROM programmer requires a 1747-M15 memory module socket adapter.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1747-M11 be utilized alongside BASIC interface modules like the 1746-BAS?\u003c\/p\u003e\n\u003cp\u003eA: No, the 1747-M11 is hardware incompatible with 1746-BAS and 1746-BAST specialty modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlways disconnect electrical power from the host SLC 500 rack prior to removing the processor module. Wear an ESD wrist strap grounded to the enclosure earth bar to prevent electrostatic discharge from damaging the integrated circuit pins.\u003c\/p\u003e\n\u003cp\u003eLocate the memory module socket on the main processor circuit board. Orient the keyed lead headers on the 1747-M11 with the socket outline, taking care not to bend pins during insertion. Press firmly until the module is fully seated. Re-insert the controller into its designated chassis slot, lock the top and bottom chassis latches, and power up the system to configure EEPROM loading parameters in software.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48791573463230,"sku":"1747-M11","price":96.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1747-M13__1_1872c812-278a-4591-af39-11470917bd03.png?v=1787819147","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1747-m11-slc-500-memory-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}