{"product_id":"mli-dn64h-honeywell-digital-64-channel-i-o-control-module","title":"MLI-DN64H Honeywell Digital 64-Channel I\/O Control Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell MLI-DN64H is a high-density, integrated digital interface designed for the MasterLogic PLC series. This module provides a comprehensive 64-point I\/O solution, combining 32 channels of 24VDC discrete inputs with 32 channels of open-collector sink outputs. Engineered as a hybrid processing unit, it functions both as a robust signal interface and a high-speed logic solver. By supporting deterministic execution through multiple scanning protocols, the MLI-DN64H ensures precise timing for critical industrial sequences. Its architecture is specifically tailored for space-constrained cabinets where high-density point counts and rapid instruction processing are mandatory for operational success.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Architectural Parameters and Hardware Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLogic Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports 28 basic and 677 applied instructions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExecution Velocity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUltra-fast 83 nanoseconds per basic instruction step\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Input Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 Channels (24V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Output Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 Channels (Sink-type Open Collector)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpansion Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eScalable up to 384 I\/O points via seven additional modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Input Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual-voltage support for 110V to 220V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Scans:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRepetitive, Cyclic, Interrupt, and Constant scan modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to IEC industrial standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUnit Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.4 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Dimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e7 x 14 x 14.5 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Deployment and Automation Use Cases\u003c\/h3\u003e\n\u003cp\u003eThe MLI-DN64H is frequently deployed in automated assembly lines, material handling systems, and large-scale packaging machinery. Its high-density 64-point configuration makes it an ideal choice for centralized machine control where a single module must interface with dozens of sensors and actuators simultaneously. In complex process environments, its ability to execute interrupt-driven scans allows it to handle emergency stop sequences or high-speed counting with minimal jitter. Furthermore, the sink-output architecture is particularly effective for driving high-speed solenoids and electronic relays in chemical batching or water treatment facilities, providing a scalable backbone that adapts as factory requirements evolve.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of the \"Sink\" output type on the MLI-DN64H?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The open-collector sink output is designed to switch the negative side of a DC load. This is highly effective for interfacing with external devices that have their own power source or for high-speed switching applications where thermal efficiency is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module operate as a standalone controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the MLI-DN64H features built-in PLC functionality and a substantial instruction set, allowing it to manage localized control logic independently or as part of a larger MasterLogic expansion network.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the \"Constant Scan\" mode improve my process?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Constant Scan mode ensures that the logic cycle repeats at a fixed interval regardless of program complexity. This provides the determinism required for sensitive timing applications, such as synchronized motion or chemical dosing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 24VDC input isolated from the AC power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, Honeywell designs these modules with robust galvanic isolation to ensure that field-side transients or electrical noise from the DC loops do not interfere with the primary AC power or the internal logic processor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if I need more than 64 I\/O points?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The MLI-DN64H is built for scalability. You can link a main unit with up to seven expansion modules to reach a maximum of 384 I\/O points, allowing the system to grow with your facility's infrastructure.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45518941749421,"sku":"MLI-DN64H","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/honeywell-mli-dn64h-i-o-module-uybtpez11uq.jpg?v=1766982470","url":"https:\/\/www.maxwellplc.com\/products\/mli-dn64h-honeywell-digital-64-channel-i-o-control-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}