{"product_id":"abb-pm866a-central-processing-unit","title":"ABB PM866A Central Processing Unit","description":"\u003ch2\u003eABB PM866A Central Processing Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PM866A 3BSE076359R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM866A\u003c\/strong\u003e Processor Unit, operates as a dedicated hardware component for CPU execution, memory management, and communication control within the ABB AC 800M controller platform.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eABB PM866A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eProcessor Unit \/ CPU Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eABB AC 800M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog Number\u003c\/td\u003e\n\u003ctd\u003e3BSE076359R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Clock Frequency\u003c\/td\u003e\n\u003ctd\u003e133 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAM Memory\u003c\/td\u003e\n\u003ctd\u003e64 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e1 MB \/ 2 MB depending on configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003e2 x Ethernet RJ45 ports, 2 x RS-485 serial ports (COM3 \/ COM4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eCPU redundancy supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e119 mm width x 186 mm height x 135 mm depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.1 kg - 1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eCPU module power consumption depends on AC 800M controller configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eABB AC 800M Backplane Communication and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe ABB PM866A integrates into the AC 800M controller architecture through high-speed backplane communication functions. It manages application execution, controller diagnostics, and I\/O data exchange between connected system modules. Furthermore, the processor supports Ethernet-based communication networks and serial interfaces for distributed automation configurations.\u003c\/p\u003e\n\u003cp\u003eThe CPU supports firmware-based functionality management and configuration compatibility within the ABB AC 800M engineering environment. Therefore, system engineers can apply controller-level updates while maintaining communication parameters and application execution settings.\u003c\/p\u003e\n\u003cp\u003eThe module also supports CPU redundancy configurations. In redundant controller systems, the PM866A can participate in synchronized processor operations to maintain controller availability during CPU-related faults.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ABB PM866A support CPU redundancy configurations?\u003cbr\u003eA: Yes. The PM866A supports CPU redundancy functions within compatible ABB AC 800M controller configurations. The redundancy function requires matching controller hardware and system configuration settings.\u003c\/p\u003e\n\u003cp\u003eQ: Which communication interfaces are available on the PM866A?\u003cbr\u003eA: The PM866A provides 2 Ethernet RJ45 ports and 2 RS-485 serial ports identified as COM3 and COM4 for controller communication tasks.\u003c\/p\u003e\n\u003cp\u003eQ: Can the PM866A operate in extended temperature environments?\u003cbr\u003eA: Yes. The specified operating temperature range is -40 deg C to +70 deg C, allowing installation in industrial control environments with wide temperature variation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the PM866A on the designated ABB AC 800M controller mounting arrangement with correct mechanical alignment.\u003c\/li\u003e\n\u003cli\u003eVerify backplane connection integrity before applying system power.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the controller cabinet and communication cable shields.\u003c\/li\u003e\n\u003cli\u003eRoute Ethernet and RS-485 communication cables separately from high-voltage power conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConfirm firmware compatibility between the PM866A processor unit and the connected AC 800M controller system before commissioning.\u003c\/li\u003e\n\u003cli\u003eCheck redundancy configuration parameters when installing dual CPU controller arrangements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44661766357080,"sku":"PM866A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/PM866A3BSE076359R1-3_28437559-db78-4b0c-853c-e850b2687bc4.jpg?v=1787735927","url":"https:\/\/www.industriaxplc.com\/id\/products\/abb-pm866a-central-processing-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}