{"product_id":"abb-pm861ak02-redundant-processor-unit","title":"ABB PM861AK02 Redundant Processor Unit","description":"\u003ch2\u003eABB PM861AK02 Redundant Processor Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PM861AK02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM861A\u003c\/strong\u003e Redundant Processor Unit, operates as a dedicated hardware component for redundant CPU execution and controller synchronization within ABB System 800xA automation platforms. The kit contains dual processor units, baseplates, communication cables, terminators, and memory backup batteries for redundant control configurations.\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\u003ePM861AK02\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCentral Unit \/ Redundant Processor Unit\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e135 mm depth x 186 mm height x 119 mm width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Configuration\u003c\/td\u003e\n\u003ctd\u003eRedundant PM861A CPU configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Function\u003c\/td\u003e\n\u003ctd\u003eDual processor synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Components\u003c\/td\u003e\n\u003ctd\u003eTK850 CEX-bus expansion cable, TK851 RCU-Link cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaseplate Type\u003c\/td\u003e\n\u003ctd\u003eTP830 Baseplate, width 115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Termination\u003c\/td\u003e\n\u003ctd\u003eTB807 Modulebus terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Backup\u003c\/td\u003e\n\u003ctd\u003eLithium battery backup, 1 battery per CPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Quantity\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Weight\u003c\/td\u003e\n\u003ctd\u003e9 g each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eABB Industrial Control Bus and Redundant CPU Architecture\u003c\/h3\u003e\n\u003cp\u003eThe PM861AK02 integrates redundant processor communication through ABB controller infrastructure. Therefore, the unit uses dedicated RCU-Link and CEX-bus connections to maintain synchronization between processor units. The redundant architecture supports continuous controller operation by coordinating CPU states and memory conditions.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the processor kit uses ABB backplane bus communication mechanisms for distributed I\/O interaction and controller data exchange. The dual PM861A processor arrangement enables I\/O density scaling within compatible ABB System 800xA controller installations while maintaining synchronized execution states.\u003c\/p\u003e\n\u003cp\u003eThe included TP830 baseplates provide mechanical mounting and electrical connection interfaces for the processor units. Additionally, the TB807 Modulebus terminators complete the communication bus termination requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PM861AK02 include a single processor or a redundant processor pair?\u003cbr\u003eA: The PM861AK02 is supplied as a redundant processor unit kit containing two PM861A CPU units with supporting synchronization hardware.\u003c\/p\u003e\n\u003cp\u003eQ: What cables are included with the PM861AK02 kit?\u003cbr\u003eA: The kit includes TK850 CEX-bus expansion cables and TK851 RCU-Link cables for redundant processor communication.\u003c\/p\u003e\n\u003cp\u003eQ: Does the PM861AK02 contain internal battery backup components?\u003cbr\u003eA: Yes. The kit includes lithium memory backup batteries, with one battery installed for each PM861A processor unit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the PM861AK02 on the specified ABB controller mounting arrangement using the supplied TP830 baseplates.\u003c\/li\u003e\n\u003cli\u003eVerify correct connection of TK850 CEX-bus expansion cables and TK851 RCU-Link cables before controller startup.\u003c\/li\u003e\n\u003cli\u003eInstall TB807 Modulebus terminators according to the ABB system configuration requirements.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding and cable separation between communication wiring and high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eCheck battery installation status before commissioning to ensure memory backup functionality.\u003c\/li\u003e\n\u003cli\u003eConfirm firmware compatibility between redundant processor units before system operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44655059009624,"sku":"PM865K02 3BSE018160R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/PM865K023BSE018160R1-3.jpg?v=1787652489","url":"https:\/\/www.industriaxplc.com\/ar\/products\/abb-pm861ak02-redundant-processor-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}