{"product_id":"honeywell-tdc-3000-mc-tdia12-51304439-175-input-termination","title":"Honeywell TDC 3000 MC-TDIA12 51304439-175 Input Termination","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell MC-TDIA12 (Part Number: 51304439-175)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-density Digital Input Field Termination Assembly (FTA) for the Experion PKS and TDC 3000 Distributed Control Systems. This module interfaces field-level discrete devices—such as limit switches, push buttons, and proximity sensors—directly with the control network. It manages 32 independent channels, ensuring precise state detection and signal conditioning. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e, providing the highest level of signal integrity for your critical process automation loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\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\u003eMC-TDIA12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e51304439-175\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Discrete Digital Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNominal 24 VDC\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\u003eDry Contact or Voltage-based (Sourcing\/Sinking)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanic channel-to-channel \u0026amp; channel-to-system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStatus Monitoring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndividual LED indicators per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Honeywell I\/O Rack Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e−20°C to +60°C\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\u003e1.14 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHoneywell engineered the MC-TDIA12 with robust EMI shielding. This prevents high-frequency interference from motors and switchgear from corrupting logic signals, maintaining system uptime in electromagnetically noisy environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Signal Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module accommodates both sourcing and sinking configurations. This versatility allows engineers to integrate various third-party sensors and field devices without requiring interposing relays or additional hardware converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated channel-to-channel isolation protects the internal DCS backplane from field-side electrical surges. If a fault occurs at a single field point, the isolation prevents the surge from propagating through the entire I\/O rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-visibility LED indicators provide immediate visual confirmation of input states. This feature accelerates loop checking during commissioning and simplifies troubleshooting during unplanned maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe industrial-grade construction resists dust accumulation and vibration. These characteristics make the 51304439-175 ideal for deployment in harsh sectors, including oil and gas, chemical processing, and power generation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the MC-TDIA12 51304439-175 support both Experion PKS and legacy TDC 3000 systems?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. Honeywell designed this FTA to maintain cross-platform compatibility, allowing it to function seamlessly within both Experion PKS environments and older TDC 3000 I\/O clusters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of field contacts can I connect to this module?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe MC-TDIA12 handles both dry contacts (using internal system power) and voltage-based inputs. You can configure the wiring to support either sinking or sourcing logic depending on your field device requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module signal a channel failure?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach channel features a dedicated LED status indicator. If the controller registers a signal that does not match the field state, or if the LED remains dark during an active input, technicians can quickly identify the specific faulty loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit a refurbished or new surplus item?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe guarantee that every MC-TDIA12 51304439-175 we ship is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original Honeywell stock\u003c\/strong\u003e. Each unit arrives in its original factory packaging with full traceability.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43748872061027,"sku":"51304439-175 MC-TDIA12","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/290.2_e84b5f02-d90b-4442-8331-5972e58bb01e.jpg?v=1776045310","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-tdc-3000-mc-tdia12-51304439-175-input-termination","provider":"AutoControl Global","version":"1.0","type":"link"}