{"product_id":"abb-pm861a-ac-800m-cpu-processor-module-3bse018158r1","title":"ABB PM861A AC 800M CPU Processor Module 3BSE018158R1","description":"\u003ch2\u003eABB PM861A 3BSE018158R1 CPU Processor Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for deterministic control logic execution in ABB System 800xA network platforms, the \u003cstrong\u003eABB PM861A 3BSE018158R1\u003c\/strong\u003e (\u003cstrong\u003ePM861A\u003c\/strong\u003e CPU Module) provides direct physical and electrical processing capabilities for complex automation tasks.\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\u003ePM861A (3BSE018158R1)\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\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e186 mm x 119 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\u003e10 W - 12 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eHigh-performance RISC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e32 MB RAM, 16 MB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Processing Architecture\u003c\/h3\u003e\n\u003cp\u003eThe PM861A utilizes high-speed RISC architecture to maintain backplane bus communication velocity across distributed control environments. Firmware flash compatibility is supported, allowing for binary updates that align with specific system software revisions to ensure stable operational cycles. I\/O density scaling is managed via the AC 800M backplane, permitting the integration of localized process modules while maintaining deterministic network timing. The module architecture supports Profinet and EtherNet\/IP deterministic networks, ensuring consistent signal latency in demanding control loops. Diagnostic features provide real-time monitoring of backplane health to preemptively identify communication degradation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the PM861A be integrated into a redundant CPU configuration?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the PM861A is engineered to support dual CPU redundancy. When configured in a redundant pair, the controllers synchronize through a dedicated RCU-Link, allowing for automatic state transfer and seamless takeover if the primary processor fails.\u003c\/p\u003e\n\u003cp\u003eQ: Are there specific restrictions for firmware updates on this module?\u003c\/p\u003e\n\u003cp\u003eA: Firmware must be flashed using authorized ABB engineering tools. Ensure that the controller is in a safe state before initiating the flash process, as interrupt-driven operations or power loss during the writing cycle may render the module non-responsive.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting and Orientation:\u003c\/strong\u003e Install the PM861A onto the AC 800M base plate. Ensure the sliding lock mechanism is fully engaged to prevent intermittent backplane contact. Maintain vertical orientation to promote thermal dissipation via natural convection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding and Shielding:\u003c\/strong\u003e Terminate cable shields at the designated chassis ground point provided on the base plate. This practice mitigates electromagnetic interference (EMI) that can negatively impact the 100 Mbps Ethernet communication throughput.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Handling:\u003c\/strong\u003e The module incorporates a 9 g Lithium battery for non-volatile memory retention. Replace the battery in accordance with the system diagnostic alerts to ensure data persistence during power outages. Dispose of depleted batteries according to UN3091 Class 9 dangerous goods regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Management:\u003c\/strong\u003e Route communication cables away from high-voltage power lines to prevent induced signal distortion. Use strain relief for all connected PROFIBUS and Ethernet cables to prevent mechanical stress on the RJ45 headers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44342479356003,"sku":"PM861A 3BSE018158R1","price":610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/419._b7215288-59d4-4878-8be5-36b054962665.jpg?v=1783565310","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-pm861a-ac-800m-cpu-processor-module-3bse018158r1","provider":"AutoControl Global","version":"1.0","type":"link"}