{"product_id":"6fc5357-0bb53-0ae1","title":"Siemens SINUMERIK 840D NCU 573.2 6FC5357-0BB53-0AE1","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens SINUMERIK 840D NCU 573.2 (6FC5357-0BB53-0AE1)\u003c\/strong\u003e is a numerical control unit for the SINUMERIK 840D \/ 840DE system: NCU 573.2 in the -0BB53 order variant — high-end 840D NCU with integrated SIMATIC PLC 315-2DP for machines with up to 31 axes \/ 10 channels; alternative order number to 6FC5357-0BB31-0AE0 \/ 6FC5357-0BB33-0AE1. It plugs into the NCU box alongside the SIMODRIVE 611D drive rack and runs the NC kernel, PLC program and axis interpolation. At \u003cstrong\u003eJJ Automation\u003c\/strong\u003e it is available \u003cstrong\u003enew\u003c\/strong\u003e and as \u003cstrong\u003etested used \/ refurbished\u003c\/strong\u003e — checked before dispatch and backed by warranty.\u003c\/p\u003e\u003ch3\u003eWhen to replace\u003c\/h3\u003e\u003cp\u003eControl not booting, watchdog or NCK system alarms, corrupted SRAM \/ CF card data, repeated battery-backup failures, or physical damage after a power event. \u003cstrong\u003eBefore swapping:\u003c\/strong\u003e back up your machine data, PLC program and drive parameters — a control unit without this machine's own data cannot run it. Our free guides: \u003ca href=\"\/blogs\/siemens\/how-to-back-up-siemens-sinumerik-808d-828d-data-complete-guide\"\u003eSINUMERIK backup guide\u003c\/a\u003e · \u003ca href=\"\/blogs\/siemens\/siemens-840d-alarm-list\"\u003e840D alarm list\u003c\/a\u003e · \u003ca href=\"\/blogs\/siemens\/how-to-reference-a-siemens-sinumerik-cnc-808d-828d-840d-reference-point-absolute-encoder-calibration\"\u003ereferencing after a control change\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e6FC5357-0BB53-0AE1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNCU 573.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eSINUMERIK 840D \/ 840DE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eNumerical Control Unit (NCU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated PLC\u003c\/td\u003e\n\u003ctd\u003eSIMATIC 315-2DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003emax. 31 axes, 10 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelated\u003c\/td\u003e\n\u003ctd\u003e6FC5357-0BB31-0AE0, 6FC5357-0BB33-0AE1 (listed separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Used \/ Refurbished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cdiv style=\"background:#16216b;color:#ffffff;padding:18px;border-radius:8px;margin-top:16px;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eNeed this part? Get a quote today.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eCall or WhatsApp \u003ca href=\"https:\/\/wa.me\/918826207004\" style=\"color:#ffd54f;\"\u003e+91 88022 12394\u003c\/a\u003e — we ship across India and worldwide. Repair and exchange options are also available for Siemens SINUMERIK systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003eRelated: \u003ca href=\"\/pages\/siemens-controllers-panels\"\u003eSINUMERIK controllers \u0026amp; panels\u003c\/a\u003e · \u003ca href=\"\/pages\/siemens-pcb-boards\"\u003eSiemens PCB boards\u003c\/a\u003e · \u003ca href=\"\/pages\/siemens-drives-power\"\u003eSINAMICS \/ SIMODRIVE drives\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e✓ 100% tested ✓ Warranty ✓ Pan-India shipping\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrice on request\u003c\/strong\u003e — 📞 +91 8826207004 ✉ sales@jjautomation.in\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":67605523071112,"sku":"6FC5357-0BB53-0AE1","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":67605523103880,"sku":"6FC5357-0BB53-0AE1","price":0.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/jjautomation.in\/products\/6fc5357-0bb53-0ae1","provider":"JJAutomation","version":"1.0","type":"link"}