{"product_id":"abb-pm856ak01-ac-800m-processor-module-cpu-controller","title":"ABB PM856AK01 AC 800M Processor Module CPU Controller","description":"\u003ch2\u003eABB PM856AK01 AC 800M Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB PM856AK01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM856A\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for executing control applications and managing I\/O data processing 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\u003ePM856AK01\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\u003eAC 800M Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e155 mm x 125 mm 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 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e64 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 Network Determinism\u003c\/h3\u003e\n\u003cp\u003eThe PM856AK01 utilizes high-performance RISC architecture to facilitate backplane bus communication velocity, ensuring the cyclic execution of complex control logic within the AC 800M environment. The module supports I\/O density scaling through its integration with various local and remote I\/O interfaces, allowing the system to adapt to varying process requirements. Firmware flash compatibility enables the deployment of updated control algorithms and protocol stacks, while the dedicated CompactFlash interface supports local data logging and configuration backup. To maintain system-wide synchronization, the CPU manages deterministic network tasks, ensuring that control packets across the Profinet and Modbus TCP interfaces adhere to strictly defined timing constraints.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PM856AK01 support live firmware updates while the process loop is active?\u003c\/p\u003e\n\u003cp\u003eA: Firmware upgrades typically require a stop or a redundant switchover. In a redundant configuration, the standby CPU can be updated, followed by a manual or automatic switchover to bring the updated unit into primary control without process interruption.\u003c\/p\u003e\n\u003cp\u003eQ: What are the constraints when using the COM3 serial port for modem control?\u003c\/p\u003e\n\u003cp\u003eA: The COM3 port is designed specifically for RS-232C standards with modem control signals. Ensure that cable lengths do not exceed standard RS-232 limits of 15 meters to prevent signal degradation and data transmission errors in noisy industrial zones.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Attachment\u003c\/strong\u003e: Utilize the unique slide and lock mechanism on the base plate (TP830) to secure the controller. Ensure the module is firmly locked onto the 35 mm DIN-rail to maintain electrical contact with the backplane bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Identity\u003c\/strong\u003e: Verify the unique Ethernet address located on the label attached to the TP830 base plate before network commissioning. Assigning duplicate hardware IDs will result in communication collisions and network instability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding and Shielding\u003c\/strong\u003e: Connect the base plate chassis to the cabinet earth using a multi-strand copper cable. Keep the module away from high-current power cables to prevent electromagnetic interference with the internal RISC processor and sensitive serial data lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management\u003c\/strong\u003e: While the module is rated for up to 60 deg C, maintain adequate airflow in the cabinet. Do not obstruct the side ventilation slots to ensure effective heat dissipation of the 12 W power load.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44336208511075,"sku":"PM856AK01 3BSE018128R1","price":610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/193._4c286038-0b85-4ed1-84df-64bc2a9a0c69.jpg?v=1783502133","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-pm856ak01-ac-800m-processor-module-cpu-controller","provider":"AutoControl Global","version":"1.0","type":"link"}