{"product_id":"pm861ak01-abb-system-800xa-controller-processor","title":"PM861AK01 ABB System 800xA Controller Processor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB PM861AK01 (3BSE018157R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the high-performance heart of the AC 800M control system. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal processor unit executes complex IEC 61131-3 control programs and synchronizes data across large-scale I\/O subsystems. Designed specifically for mission-critical applications, it supports full hardware redundancy to eliminate single points of failure in power generation, oil and gas, and chemical processing facilities.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe PM861AK01 utilizes a specialized MPC860 architecture to deliver ultra-fast Boolean execution and deterministic cycle times.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Detail\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePM861AK01 (3BSE018157R1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMPC860 at 48 MHz\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\u003e16 MB RAM \/ 2 MB Flash PROM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogic Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.23 ms per 1000 Boolean operations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy Switchover\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 10 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2x Ethernet, 1x RS-232C, 1x Isolated RS-485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (19.2 – 30 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 mA to 430 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLithium 3.6V (9g Weight)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to +60 °C\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\u003e1.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e119 mm (W) x 186 mm (H) x 135 mm (D)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe PM861AK01 provides technical solutions for the most demanding industrial automation challenges:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimizes Process Interruption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn redundant configurations, the processor executes a bumpless transfer in less than 10 milliseconds. This ensures that even during a primary hardware failure, the secondary unit maintains control of the process without tripping safety interlocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFacilitates Complex Networking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated dual Ethernet and serial ports allow the module to manage CEX-bus communication and peer-to-peer networking simultaneously. This connectivity supports up to 32 applications per controller, allowing for highly modular software design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Data Retention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit includes a high-capacity lithium battery backup and a CompactFlash interface. These features safeguard your control logic and cold-retain variables during extended power outages, preventing the need for time-consuming field re-downloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Diagnostic Feedback:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA comprehensive array of front-facing LEDs provides real-time status for CPU health, battery levels, and communication activity. This immediate visual feedback significantly reduces troubleshooting time for on-site technicians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the PM861AK01 compatible with the latest System 800xA versions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the PM861AK01 belongs to the Classic lifecycle tier, it remains fully integrated within System 800xA. However, for new high-performance installations, engineers often evaluate the PM866 or PM867 series for increased memory overhead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the lithium battery in this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo ensure program retention during power cycles, we recommend replacing the 3.6V lithium battery every 2-3 years, or whenever the \"Low Battery\" diagnostic LED activates. Note that the module is UN3091 classified due to the lithium content.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix redundant and non-redundant I\/O on the same PM861AK01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The PM861AK01 coordinates communication across the CEX-bus and S800 I\/O families, allowing engineers to selectively implement redundancy only on critical process loops while using standard I\/O for non-vital monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum number of programs this controller can run?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis processor unit supports up to 64 programs per application, with a maximum of 32 applications per controller. This scalability makes it suitable for both localized equipment control and plant-wide coordination.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44172379226211,"sku":"PM861AK01","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/302.1_030907b0-6de2-4890-98b6-70a39537a022.jpg?v=1778553440","url":"https:\/\/www.autocontrolglobal.com\/products\/pm861ak01-abb-system-800xa-controller-processor","provider":"AutoControl Global","version":"1.0","type":"link"}