{"product_id":"abb-pm866ak02-ac-800m-redundant-cpu-kit-3bse081637r1-processor","title":"ABB PM866AK02 AC 800M Redundant CPU Kit 3BSE081637R1 Processor","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB\u003c\/span\u003e \u003cspan style=\"color: #0056b3;\"\u003ePM866AK02\u003c\/span\u003e (3BSE081637R1)\u003c\/strong\u003e delivers high-performance processing power for the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eAC 800M\u003c\/span\u003e\u003c\/strong\u003e controller family. Designed for critical industrial automation, this redundant CPU package ensures continuous process uptime with seamless max 10 ms switchover capability. The system features a 133 MHz MPC866 processor, 64 MB onboard memory, and native support for up to 32 concurrent control applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"35%\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \u0026amp; Article Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePM866AK02\u003c\/span\u003e (\u003cspan style=\"color: #0056b3;\"\u003e3BSE081637R1\u003c\/span\u003e)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/ac-800m\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eAC 800M\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor \u0026amp; Clock Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMPC866 @ 133 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExecution Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.09 ms per 1000 boolean operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 MB Total RAM (51.389 MB application space), 4 MB Flash PROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRedundancy \u0026amp; Switchover\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardware redundant architecture; Max 10 ms switchover time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply \u0026amp; Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (19.2 to 30 V DC); 210 mA typ \/ 360 mA max; 5.1 W nominal (8.6 W max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModulebus I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax 84 modules in redundant CPU configuration; 0 to 100 ms scan rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement \u0026amp; Cycle Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDown to 1 ms cycle time; 32 tasks; 32 cycle time selections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Integrity \u0026amp; Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 V AC rated isolation voltage; EN 61000-6-2 immunity standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution \u0026amp; Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReal-time clock stability 100 ppm; 1 ms time synchronization via CNCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 °C to +55 °C (+32 °F to +131 °F); Storage: -40 °C to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 conformal coating (ISA 71.04); IP20 rating; Pollution degree 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e119 mm W x 186 mm H x 135 mm D; Total package weight 2700 g (5.95 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount unit onto standard 35 mm DIN rails using the slide \u0026amp; lock mechanism.\u003c\/li\u003e\n\u003cli\u003eEnsure physical separation between power lines and high-frequency communication cabling.\u003c\/li\u003e\n\u003cli\u003eConnect dual 24 V DC feeds to power inputs to enable redundant power monitoring.\u003c\/li\u003e\n\u003cli\u003eVerify Ethernet MAC addresses printed directly on the \u003cstrong\u003eTP830\u003c\/strong\u003e baseplate labels.\u003c\/li\u003e\n\u003cli\u003eInstall \u003cstrong\u003eTB807\u003c\/strong\u003e bus terminators on both ends of the ModuleBus chain.\u003c\/li\u003e\n\u003cli\u003eLink redundant CPU pairs using the provided \u003cstrong\u003eTK851\u003c\/strong\u003e RCU-Link cable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommissioning \u0026amp; Maintenance Convenience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure automation code using ABB System 800xA Control Builder software tool.\u003c\/li\u003e\n\u003cli\u003eAccess active diagnostics via front-panel LED indicators and dedicated serial COM4 ports.\u003c\/li\u003e\n\u003cli\u003eHot-swap primary processor modules during live plant operations without interrupting logic.\u003c\/li\u003e\n\u003cli\u003eReplace memory backup lithium batteries while system maintains primary power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with ABB S800 I\/O clusters via optical and electrical ModuleBus.\u003c\/li\u003e\n\u003cli\u003eSupports up to 12 CEX-Bus communication interface modules using \u003cstrong\u003eTK850\u003c\/strong\u003e expansion cables.\u003c\/li\u003e\n\u003cli\u003eCommunicates on Control Network via MMS and Inter Application Communication protocols.\u003c\/li\u003e\n\u003cli\u003eIntegrates natively with third-party OPC servers at 36-86 events per second transmission rates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCertifications \u0026amp; Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISASecure Certified:\u003c\/strong\u003e Ensures robust cybersecurity defenses for critical infrastructure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safety:\u003c\/strong\u003e Complies with EN 50178, IEC 61131-2, and UL 61010-2-201.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Location:\u003c\/strong\u003e Certified for UL 60079-15, cULus Class 1 Zone 2 (Ex nA IIC T4 Gc X).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Approvals:\u003c\/strong\u003e DNV-GL, ABS, BV, and LR classification society approvals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Directives:\u003c\/strong\u003e Fully compliant with EU RoHS, UAE RoHS, CN RoHS, and WEEE.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage List, Warranty \u0026amp; Delivery\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e2 pcs \u003cstrong\u003ePM866A\u003c\/strong\u003e CPU units\u003c\/li\u003e\n\u003cli\u003e2 pcs \u003cstrong\u003eTP830\u003c\/strong\u003e Baseplates (115 mm width)\u003c\/li\u003e\n\u003cli\u003e2 pcs \u003cstrong\u003eTB807\u003c\/strong\u003e ModuleBus Terminators\u003c\/li\u003e\n\u003cli\u003e1 pc \u003cstrong\u003eTK850\u003c\/strong\u003e CEX-Bus Expansion Cable\u003c\/li\u003e\n\u003cli\u003e1 pc \u003cstrong\u003eTK851\u003c\/strong\u003e RCU-Link Cable\u003c\/li\u003e\n\u003cli\u003e2 pcs Backup Batteries for memory protection (Part 4943013-6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Includes a comprehensive 12-month factory-grade warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Express:\u003c\/strong\u003e Fast dispatch within 24-48 hours via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous oil and gas refining processes requiring zero-downtime CPU redundancy.\u003c\/li\u003e\n\u003cli\u003eLarge-scale power generation units utilizing high-speed CNCP clock synchronization protocols.\u003c\/li\u003e\n\u003cli\u003eChemical batch manufacturing requiring G3 corrosion protection in harsh atmospheric environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostics \u0026amp; System Visibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOnboard event queue buffers up to 3000 events per connected OPC client.\u003c\/li\u003e\n\u003cli\u003eFront-panel status LEDs indicate CPU activity, fault conditions, and network channel integrity.\u003c\/li\u003e\n\u003cli\u003eSelf-diagnostic firmware detects memory corruption, power voltage dips, and communication timeouts automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn high-availability power plant upgrades, engineering teams often encounter communication trips caused by improper bus termination. During a recent field deployment involving the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePM866AK02\u003c\/span\u003e\u003c\/strong\u003e unit, field engineers noted that using non-isolated serial tools on COM3 caused grounding loops. Connecting the specialized configuration tool strictly to the opto-isolated COM4 port eliminated communication dropouts instantly. Always maintain proper optical isolation when running diagnostic tools in high-noise electrical substations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions \u0026amp; Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: What is the main operational difference between PM866K01 and the PM866AK02 kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: The \u003cstrong\u003ePM866AK02\u003c\/strong\u003e (3BSE081637R1) is a complete dual-redundant kit containing two \u003cstrong\u003ePM866A\u003c\/strong\u003e CPUs, two baseplates, interconnecting cables, and terminators. The single-CPU version lacks redundant synchronization cables and second-channel hardware, making the \u003cstrong\u003ePM866AK02\u003c\/strong\u003e ideal for mission-critical processes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: How do I select between electrical and optical ModuleBus for my I\/O clusters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: When deploying a redundant \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePM866AK02\u003c\/span\u003e\u003c\/strong\u003e controller, electrical ModuleBus expansion is restricted to 0 clusters. You must use optical ModuleBus expansion interfaces, supporting up to 7 optical I\/O clusters and 84 total I\/O modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: How long does the back-up battery maintain application memory during a full power outage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: The onboard 3.6 V lithium battery preserves user code and retention variables in RAM during power down. Under normal ambient operating conditions, the battery provides several months of memory backup power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I replace a single faulty CPU module while the control system remains live?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePM866AK02\u003c\/span\u003e\u003c\/strong\u003e supports hot-swapping. Unclipping the standby processor does not interrupt control logic execution on the primary CPU, which maintains active process execution continuously.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45379968401590,"sku":"PM866AK02","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/PM866AK02.jpg?v=1787556184","url":"https:\/\/www.plcsparehub.com\/products\/abb-pm866ak02-ac-800m-redundant-cpu-kit-3bse081637r1-processor","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}