{"product_id":"abb-ac-800m-pm851-3bse066485r1-module-compactflash","title":"ABB AC 800M PM851 3BSE066485R1 Module CompactFlash","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Processing Unit for AC 800M Control Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Model:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851\u003c\/strong\u003e) is a high-reliability central processing unit designed for the ABB AC 800M controller family. As an entry-to-mid-range processor within the System 800xA architecture, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Article Number:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BSE066485R1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\/\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851AK01\u003c\/strong\u003e) provides the computational power required for real-time process control, logic execution, and communication management. The module features a modular hardware design, incorporating a microprocessor, RAM for application logic, a real-time clock (RTC), and a CompactFlash interface for non-volatile storage of application programs and system cold starts.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851 (3BSE066485R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for deterministic performance in industrial automation and safety-critical monitoring environments.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eArticle Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BSE066485R1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Kit:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851AK01\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: CPU Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClock Frequency\u003c\/strong\u003e: 24 MHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Memory\u003c\/strong\u003e: 12 MB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication RAM Available\u003c\/strong\u003e: 6.253 MB (Reference: 800xA 5.1 FP4)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlash Memory Support\u003c\/strong\u003e: Integrated CompactFlash slot for offline storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEthernet Communication\u003c\/strong\u003e: 2 × RJ45 ports (CN1 and CN2; Note: CN1 is the primary usable port for control network)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Interfaces\u003c\/strong\u003e: 2 × RJ45 ports (COM3: RS-232C, COM4: Isolated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Redundancy\u003c\/strong\u003e: Not supported (Single CPU configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Method\u003c\/strong\u003e: Standard DIN rail with slide-and-lock mechanism\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Interface\u003c\/strong\u003e: INIT push button and integrated LED diagnostic indicators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE, TÜV, and IEC 61508 compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Platform\u003c\/strong\u003e: Compatible with ABB 800xA and Compact Control Builder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication and Hardware Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePM851 (3BSE066485R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in localized control tasks where connectivity to operator stations and engineering tools is paramount. The dual serial ports allow for direct interfacing with peripheral devices via RS-232C or isolated communication links. For network integration, the onboard Ethernet port (CN1) facilitates seamless connection to the 800xA Control Network. Its hardware architecture is built to ensure high electromagnetic compatibility (EMC), minimizing the risk of signal corruption in high-voltage switching environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmall to Mid-Scale Process Control\u003c\/strong\u003e: Ideal for standalone production units and OEM machinery control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Instrumented Systems (SIS)\u003c\/strong\u003e: Utilized in non-redundant safety monitoring layers following IEC 61508 standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDistributed I\/O Management\u003c\/strong\u003e: Serving as the head-end processor for S800 I\/O clusters via ModuleBus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUtility Control\u003c\/strong\u003e: Managing HVAC, water treatment, and auxiliary power systems in industrial facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43779745677411,"sku":"PM851","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/160.3_9cd685a1-350d-4c6e-8ebd-7d315a4223af.jpg?v=1772615697","url":"https:\/\/www.autocontrolglobal.com\/vi\/products\/abb-ac-800m-pm851-3bse066485r1-module-compactflash","provider":"AutoControl Global","version":"1.0","type":"link"}