{"product_id":"honeywell-mle-tn16a-master-logic-16-point-digital-input-module","title":"Honeywell MLE-TN16A Master Logic 16-Point Digital Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell MLE-TN16A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance 16-channel digital input gateway within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMaster Logic 200\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries architecture. Engineered for precision sensing in demanding industrial environments, this module translates discrete field signals—such as limit switches, proximity sensors, and push buttons—into reliable logic data for the central processor. In critical applications like emergency shutdown (ESD) monitoring and turbine auxiliary sequencing, the MLE-TN16A delivers the rapid response times necessary to maintain plant safety and operational continuity. Its advanced optocoupler isolation protects the system backplane from field-side electrical noise and transient surges, ensuring that your DCS or PLC remains resilient against external interference. By combining high-density integration with industrial-grade stability, this module provides the deterministic performance required for sophisticated process automation and machinery protection.\u003c\/p\u003e\n\u003ch2\u003eHardware Architecture and Logic Interface\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMLE-TN16A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esink\/source (Current\/Voltage)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput architecture designed to interface seamlessly with a variety of 24V DC field devices. The internal circuitry features an integrated digital filter that eliminates contact bounce and high-frequency noise, ensuring only valid logic transitions reach the CPU. This hardware-based filtering significantly reduces the processing load on the Master Logic controller, allowing for faster scan cycles across the entire I\/O rack. Each of the 16 channels includes a dedicated status LED on the front faceplate, enabling maintenance personnel to perform instantaneous visual diagnostics of field-side activity. The module communicates via a high-speed parallel bus on the backplane, ensuring that state changes in the field are mirrored in the system's process image in less than 1 millisecond.\u003c\/p\u003e\n\u003ch2\u003eHardware Parameters \u0026amp; Dimensions\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMLE-TN16A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Input (DC 24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRated Input Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 4mA per point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOn Voltage \/ Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC 19V or higher \/ 3mA or higher\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOff Voltage \/ Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC 6V or lower \/ 1mA or lower\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePhoto-coupler Isolation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessing Cycle\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 1ms (Internal Hardware Delay)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.25 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27 x 98 x 90 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Korea \/ USA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHS Code\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85389000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eField Integration and Wiring Strategy\u003c\/h2\u003e\n\u003cp\u003eWhen commissioning the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMLE-TN16A\u003c\/strong\u003e, technicians must ensure that field wiring utilizes shielded cables if the runs pass through high-electromagnetic interference zones near large motor drives. The module supports a common terminal for all 16 points; however, engineers should verify that the external 24V DC power supply is regulated and free of ripple to prevent \"chattering\" in the logic image. Ensure that the terminal block is tightened to the specified torque (approx. 0.5 Nm) to maintain consistent contact under vibration. For safety-critical interlocks, we recommend redundant wiring paths to separate MLE-TN16A modules to achieve higher hardware fault tolerance. Before powering the chassis, verify the module slot assignment within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMaster Logic Programming Software\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto synchronize the I\/O mapping.\u003c\/p\u003e\n\u003ch2\u003eSystem Reliability and Environmental Endurance\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMLE-TN16A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in harsh industrial settings characterized by high temperatures and mechanical vibration. Its fanless, solid-state design ensures a high Mean Time Between Failures (MTBF), making it a cornerstone for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTSI (Turbine Supervisory Instrumentation)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand long-term DCS control strategies. When integrated with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExperion PKS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExperion LX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatforms, this module enables comprehensive sequence-of-events (SOE) recording, providing the millisecond-accurate timestamps required for post-trip forensic analysis. The conformal coating options further protect the internal PCB from corrosive atmospheres, ensuring that your discrete control logic remains operational in chemical processing and offshore environments where standard electronics often fail.\u003c\/p\u003e\n\u003ch2\u003eWorldwide Fulfillment and Secure Shipping\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDispatch Lead Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnits ship within 3-5 days when payment finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePremium Logistics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe partner with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDHL, FEDEX, and UPS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto provide express global delivery with real-time tracking and professional insurance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery module is enclosed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanti-static industrial packaging\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand moisture-sealed barrier bags to preserve sensitive electronics during international transit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInventory Status:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe strictly supply\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNew, Original Pack, and Sealed\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits. Each MLE-TN16A undergoes a rigorous serial number verification and physical integrity check before leaving our warehouse to ensure immediate compatibility with your existing system.\u003c\/p\u003e\n\u003ch2\u003eIntegration Support FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can the MLE-TN16A be used with AC input signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo, this specific model is designed exclusively for 24V DC digital inputs. For AC applications, you must use an interposing relay or a dedicated AC input module from the Master Logic series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does the module support both Sink and Source wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the MLE-TN16A is highly flexible and can be wired in either sink or source configuration depending on how you connect the common terminal to your external power supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I identify a faulty channel on the MLE-TN16A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCheck the front-panel LED indicators; if the field device is active but the LED remains off, use a multimeter to check the voltage at the terminal block. If 24V is present but the system shows a logic \"0\", the internal optocoupler may be damaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is this module compatible with the Master Logic 200R redundant series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA4:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the MLE-TN16A is fully compatible with both standard and redundant (200R) Master Logic backplanes, making it a versatile spare for diverse system architectures.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45518947614893,"sku":"MLE-TN16A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/honeywell-mle-tn16a-digital-i-o-module-ue5me4w0qtb.jpg?v=1766982611","url":"https:\/\/www.maxwellplc.com\/products\/honeywell-mle-tn16a-master-logic-16-point-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}