{"product_id":"abb-pm866a-ac-800m-cpu-processor-module-technical-datasheet","title":"ABB PM866A AC 800M CPU Processor Module Technical Datasheet","description":"\u003ch2\u003eABB PM866A CPU Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PM866A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM866A\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for executing complex control applications and logic sequences within System 800xA network platforms.\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\u003ePM866A (3BSE076359R1)\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\u003e0.6 - 0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e155 x 125 x 85 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\u003e12 - 15 W\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\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e128 MB RAM, 128 MB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003e2x Ethernet, RS-232, PROFIBUS, Modbus TCP\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 PM866A module leverages a high-performance RISC architecture to facilitate rapid execution cycles required for high-density I\/O configurations. To maintain system-wide synchronization, firmware flash compatibility must be verified against the existing AC 800M controller cluster. The module provides two Ethernet ports (CN1, CN2) for control network traffic and two serial ports (COM3, COM4), with COM4 providing galvanic isolation for local configuration tool connectivity. Deterministic operation is enforced across the CEX-Bus, and the module supports redundancy for the CPU, communication interfaces, and S800 I\/O subsystems to minimize process impact during component failure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PM866A require a specific base plate for hardware identity?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the PM866A must be mounted on a TP830 base plate. The base plate carries a unique Ethernet address label, which provides the CPU with its hardware identity on the network.\u003c\/p\u003e\n\u003cp\u003eQ: How is the INIT push button utilized during startup?\u003c\/p\u003e\n\u003cp\u003eA: The INIT push button is used to reset the controller to a known state or to clear the current application load from the RAM. It should be used during commissioning or fault recovery procedures per the technical documentation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Utilize the slide and lock mechanism on the TP830 base plate for DIN-rail attachment. Ensure the module is seated fully to establish proper electrical contact with the CEX-Bus and ModuleBus backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddressing:\u003c\/strong\u003e Confirm that the Ethernet address label on the base plate matches the network configuration settings programmed in the Control Builder software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Verify that the cabinet rail is connected to a low-impedance earth bus. Shielded twisted-pair cables should be used for all Ethernet and RS-232 connections to mitigate electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Periodically check the status of the CompactFlash interface and ensure that the memory backup battery is replaced according to the specified maintenance intervals to prevent data loss during power cycles.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44342523002979,"sku":"PM866A 3BSE076359R1","price":610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/503_7feadbcb-2e78-4201-9c92-bbb5fb7886d0.jpg?v=1783566713","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-pm866a-ac-800m-cpu-processor-module-technical-datasheet","provider":"AutoControl Global","version":"1.0","type":"link"}