{"product_id":"pm864ak02-abb-ac-800m-redundant-processor-unit-technical-manual","title":"PM864AK02 ABB AC 800M Redundant Processor Unit Technical Manual","description":"\u003ch2\u003eABB PM864AK02 Redundant Processor Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PM864AK02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM864A\u003c\/strong\u003e Central Unit, operates as a dedicated hardware component for executing deterministic control applications within System 800xA network platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePM864AK02\u003c\/strong\u003e (3BSE018164R1) serves as a complete redundant processor kit. Each package comprises two \u003cstrong\u003ePM864A\u003c\/strong\u003e CPUs, two \u003cstrong\u003eTP830\u003c\/strong\u003e baseplates (115 mm width), one \u003cstrong\u003eTK850\u003c\/strong\u003e CEX-bus expansion cable, two \u003cstrong\u003eTB807\u003c\/strong\u003e ModuleBus terminators, one \u003cstrong\u003eTK851\u003c\/strong\u003e RCU-Link cable, and two memory backup batteries (4943013-6).\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003ePM864AK02 (3BSE018164R1)\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\u003eRefer to Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.9 kg (Net)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e119 mm x 186 mm x 135 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~12 W (per CPU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC (+\/- 10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 500,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe PM864AK02 module utilizes high-speed RISC architecture to maintain deterministic execution of control logic across the AC 800M backplane bus. Firmware flash compatibility is strictly enforced within the 800xA engineering environment; operators must perform binary synchronization between the primary and secondary units to ensure seamless failover. The module architecture supports I\/O density scaling via the ModuleBus, allowing for expanded local process interfacing. Profinet and EtherNet\/IP connectivity are managed via the integrated 100 Mbps Ethernet ports, providing fixed-latency data exchange essential for synchronized control loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the PM864AK02 support hot-swapping during active process execution?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping within a dual-CPU redundant configuration. The secondary unit must be synchronized with the primary application image before the physical replacement of a faulty module is initiated to prevent process interruption.\u003c\/p\u003e\n\u003cp\u003eQ: How is the RCU-Link cable utilized in the redundant pair?\u003c\/p\u003e\n\u003cp\u003eA: The TK851 RCU-Link cable provides the dedicated physical communication path for state synchronization between the two CPUs. Disconnection of this cable will result in a loss of redundancy and trigger a system alarm.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseplate Mounting:\u003c\/strong\u003e Secure the \u003cstrong\u003eTP830\u003c\/strong\u003e baseplates to a vibration-dampened DIN-rail. Ensure the baseplates are installed in a side-by-side orientation to facilitate the \u003cstrong\u003eTK850\u003c\/strong\u003e CEX-bus expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Termination:\u003c\/strong\u003e Install the \u003cstrong\u003eTB807\u003c\/strong\u003e ModuleBus terminators at the terminal end of the I\/O bus chain. Unterminated buses generate reflection noise, causing intermittent communication loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the chassis ground to the cabinet common earth point using a low-impedance conductor. Shielding for Ethernet and RS-232 communication lines must be bonded at the entry point to mitigate high-frequency interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Wiring:\u003c\/strong\u003e Utilize the provided 3BSC840088R4 spare power plugs for the 24 VDC supply. Ensure the cable gauge is sufficient to minimize voltage drop over the run, maintaining the specified nominal 24 VDC at the processor terminals.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44342517432419,"sku":"PM864AK02 3BSE018164R1","price":610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/157._854cfe1e-f735-4937-b00d-9b79ad89c0f6.jpg?v=1783566561","url":"https:\/\/www.autocontrolglobal.com\/products\/pm864ak02-abb-ac-800m-redundant-processor-unit-technical-manual","provider":"AutoControl Global","version":"1.0","type":"link"}