{"product_id":"honeywell-mli-dr28u-dc-masterlogic-plc-relay-output-module","title":"Honeywell | MLI-DR28U\/DC | MasterLogic PLC Relay Output Module","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMLI-DR28U\/DC\u003c\/strong\u003e from Honeywell is a DC-powered relay output module designed for the MasterLogic PLC platform. It combines 16 optically isolated digital inputs with 12 relay outputs, delivering flexible control and reliable signal acquisition for industrial automation systems. Built for durability and precision, this module ensures stable operation in demanding environments while supporting advanced communication and control functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003eMLI-DR28U\/DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Relay Output Module\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e MasterLogic PLC \/ DCS Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.5 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 24.5 × 16 × 13.5 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHS Code:\u003c\/strong\u003e 8537101190\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLead Time:\u003c\/strong\u003e In Stock\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMinimum Order Quantity (MOQ):\u003c\/strong\u003e 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStatus:\u003c\/strong\u003e Active\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Functional Characteristics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePower Supply: DC 24 V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInputs: 16 digital channels with photo-coupler isolation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput Voltage\/Current: DC 24 V \/ 4 mA (7 mA for contacts 00–03)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput ON Threshold: ≥ DC 19 V \/ ≥ 3 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput OFF Threshold: ≤ DC 6 V \/ ≤ 1 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput Resistance: 5.6 kΩ (16 points per COM group)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOutputs: 12 relay channels for flexible load control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVoltage Range: DC 20.4–28.8 V operational\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMemory Capacity: 384 kB (32k steps)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommunication Protocols: FENET and 2SNET supported\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eScan Modes: Repetitive, cyclic, interrupt, constant scan, and direct execution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFunctional Highlights\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProvides combined input\/output functionality for versatile control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRelay outputs support multiple load types for industrial flexibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOptical isolation ensures safe and reliable signal acquisition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLarge memory capacity supports complex control programs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSeamless integration into distributed control networks with FENET and 2SNET.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturing plants requiring robust relay output control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnergy and utility systems with distributed PLC\/DCS integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBuilding automation environments needing reliable input\/output modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProcess industries requiring precise signal acquisition and flexible load switching.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: How many inputs and outputs does the MLI-DR28U\/DC provide?\u003c\/strong\u003e  A: It offers 16 digital inputs and 12 relay outputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What communication protocols are supported?\u003c\/strong\u003e  A: The module supports FENET and 2SNET for seamless integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What is the memory capacity of the module?\u003c\/strong\u003e  A: It has 384 kB memory, supporting up to 32k program steps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: How does it compare to MLI-DR30E?\u003c\/strong\u003e  A: The MLI-DR28U\/DC provides relay outputs with DC power supply, while the MLI-DR30E offers higher input\/output density and AC supply compatibility.\u003c\/span\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43224352784472,"sku":"MLI-DR28U\/DC","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/honeywell-mli-dr28u-dc-relay-output-module-ovg023tgho4.png?v=1758522661","url":"https:\/\/www.industriaxplc.com\/products\/honeywell-mli-dr28u-dc-masterlogic-plc-relay-output-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}