{"product_id":"6fc5357-0bb15-0aa0-siemens-sinumerik-840d-ncu-5715-cnc-hardware-module-400-mhz-64-mb","title":"6FC5357-0BB15-0AA0 | Siemens SINUMERIK 840D NCU 571.5 CNC Hardware Module, 400 MHz, 64 MB","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Siemens 6FC5357-0BB15-0AA0 is a CNC hardware module from the SINUMERIK 840D\/DE platform, equipped with a 400 MHz processor and 64 MB memory for advanced motion control tasks. Designed as an NCU 571.5 unit, it provides the central numerical control capability for high-performance machine tools.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6FC5357-0BB15-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC Module\/Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eSINUMERIK 840D\/DE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Type\u003c\/td\u003e\n\u003ctd\u003eNCU 571.5 CNC control unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Speed\u003c\/td\u003e\n\u003ctd\u003e400 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Memory\u003c\/td\u003e\n\u003ctd\u003e64 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNC Memory\u003c\/td\u003e\n\u003ctd\u003e3 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePLC Memory\u003c\/td\u003e\n\u003ctd\u003e128 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFieldbus Support\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS DP prepared\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Lifecycle\u003c\/td\u003e\n\u003ctd\u003eDiscontinued (since 2020-11-16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Function\u003c\/td\u003e\n\u003ctd\u003eCNC computation and machine axis control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS-ready, internal controller bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware Included\u003c\/td\u003e\n\u003ctd\u003eNone (requires external software installation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCNC machine tools, industrial automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eInternal CNC rack\/module slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Environment\u003c\/td\u003e\n\u003ctd\u003eIndustrial control cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.64 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan\u003e6FC5357-0BB15-0AA0\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 6FC5357-0BB15-0AA0 belongs to the SINUMERIK 840D\/DE control system family, serving as the main Numerical Control Unit (NCU) for complex machining environments. It includes dedicated NC (3 MB) and PLC (128 KB) memory areas and is prepared for PROFIBUS DP communication, ensuring compatibility with distributed I\/O and drive systems. This hardware module operates without pre-installed system software, allowing integration into existing or serviced CNC installations requiring custom software loading. As a discontinued component, it functions primarily as a spare part for maintaining legacy Siemens CNC machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNCU 571.5 Main Processor Unit: Acts as the central control platform for SINUMERIK 840D\/DE CNC systems.\u003c\/li\u003e\n\u003cli\u003e400 MHz CPU: Provides sufficient processing performance for multi-axis machining and advanced motion profiles.\u003c\/li\u003e\n\u003cli\u003e64 MB System Memory: Supports CNC runtime, motion logic, and user-specific expansions.\u003c\/li\u003e\n\u003cli\u003eDedicated NC Memory (3 MB): Ensures stable storage for machining programs and CNC functions.\u003c\/li\u003e\n\u003cli\u003ePLC Memory (128 KB): Optimized for integrated PLC tasks within the SINUMERIK platform.\u003c\/li\u003e\n\u003cli\u003ePROFIBUS DP Prepared: Ready for connecting drives, I\/O stations, operator panels, and field devices.\u003c\/li\u003e\n\u003cli\u003eSoftware-Free Hardware Delivery: Ships without system software for flexible integration into existing machine configurations.\u003c\/li\u003e\n\u003cli\u003eHigh-Precision CNC Platform: Suitable for milling, turning, grinding, and multi-axis machine tools.\u003c\/li\u003e\n\u003cli\u003eDiscontinued Spare Part: Supports service, repair, and life-extension of older SINUMERIK 840D installations.\u003c\/li\u003e\n\u003cli\u003eDurable Industrial Construction: Designed for continuous operation in demanding manufacturing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 6FC5357-0BB15-0AA0 delivers the reliability and precision required for controlling advanced CNC machines across numerous industrial sectors.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105077797120,"sku":"6FC5357-0BB15-0AA0","price":7789.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/2025-11-13_180852.png?v=1785539578","url":"https:\/\/alotechparts.com\/products\/6fc5357-0bb15-0aa0-siemens-sinumerik-840d-ncu-5715-cnc-hardware-module-400-mhz-64-mb","provider":"Alo Tech Solutions","version":"1.0","type":"link"}