{"product_id":"mli-dr28ua-dc-honeywell-masterlogic-plc-base-module-cpu","title":"MLI-DR28UA\/DC Honeywell MasterLogic PLC Base Module CPU","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Honeywell MLI-DR28UA\/DC functions as the primary processing core for the MasterLogic 50 Series PLC architecture.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis high-speed CPU base module is engineered to manage intricate control logic with extreme precision,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eoffering a versatile foundation for both standalone machinery and distributed industrial networks.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to bridge the gap between compact PLC convenience and DCS-level processing power,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe MLI-DR28UA\/DC facilitates rapid data acquisition and logic execution.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts modular expandability ensures that as process requirements grow,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe system can scale through additional I\/O integration without compromising its ultra-low latency performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eInternal Architecture and Hardware Capabilities\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eProcessing Speed:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHigh-velocity logic execution at 42 nanoseconds per step\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOnboard Digital Inputs:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e16 Channels (DC Discrete)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOnboard Digital Outputs:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e12 Channels (Relay Contacts)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eAnalog Integration:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e8 Combined Analog Input\/Output channels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eProgram Capacity:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 32,\u003c\/span\u003e\u003cspan class=\"\"\u003e000 steps of complex control logic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCommunication Ports:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated FENET and 2SNET interfaces for seamless networking\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eAdvanced Motion Support:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in 4-axis positioning and high-speed counting\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Mass:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e4 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eProduct Dimensions:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e7 x 14 x 14.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturing Origin:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCompliance Standards:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eActive lifecycle support for modern DCS and PLC environments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Deployment and Control Scenarios\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe MLI-DR28UA\/DC is strategically deployed in high-speed manufacturing lines,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewater treatment facilities,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand pharmaceutical packaging plants where timing is critical.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts ability to handle interrupt-driven tasks and constant scan cycles makes it ideal for precision motion control and synchronized multi-axis positioning.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIn the context of process automation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit serves as a reliable localized controller for skid-mounted equipment,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecommunicating via Ethernet-based protocols to a central supervisory system.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe robust relay outputs allow the module to directly drive small actuators and motor starters,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhile the analog channels provide real-time monitoring of pressure,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003etemperature,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand flow sensors in demanding industrial climates.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Does the MLI-DR28UA\/DC support hot-swapping for its expansion modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eWhile the base module itself is the system's anchor,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emost MasterLogic expansion I\/O modules can be configured for high-availability maintenance.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHowever,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewe recommend consulting the specific rack configuration to ensure the backplane supports live module removal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: What is the benefit of the 42ns processing speed for my application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUltra-fast processing is essential for high-speed counting and precision motion control.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis speed ensures that the PLC can react to sensor triggers and adjust motor positions almost instantaneously,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epreventing errors in high-volume production lines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Can this PLC module communicate with third-party HMI panels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eYes.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThrough its FENET (Ethernet) and 2SNET ports,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe MLI-DR28UA\/DC supports standard industrial communication protocols,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaking it highly compatible with a wide range of human-machine interfaces and SCADA software.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Is the memory on the MLI-DR28UA\/DC volatile or non-volatile?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe MasterLogic CPU utilizes non-volatile memory backup to ensure that your 32k-step program and critical retentive data are preserved even in the event of a total power loss.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: How many expansion modules can I connect to this specific base unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe MLI-DR28UA\/DC is designed for significant scalability.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDepending on the power budget and rack size,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit can typically support multiple expansion blocks to increase the total I\/O count to several hundred points.\u003c\/span\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45518942404781,"sku":"MLI-DR28UA\/DC","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/honeywell-mli-dr28ua-dc-base-module-juwt1zhte1c.jpg?v=1766982493","url":"https:\/\/www.maxwellplc.com\/products\/mli-dr28ua-dc-honeywell-masterlogic-plc-base-module-cpu","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}