{"product_id":"honeywell-mc-tdidi2-51304441-175-high-density-di-board","title":"Honeywell MC-TDIDI2 51304441-175 High-Density DI Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell MC-TDIDI2 (Part Number 51304441-175)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density digital input (DI) module designed for Honeywell Experion PKS, TPS, and TDC 3000 distributed control systems. This module serves as the primary interface for capturing discrete signals from field devices such as pushbuttons, limit switches, and relay contacts. By providing 32 independent channels, it optimizes rack space while ensuring high-fidelity signal acquisition for mission-critical automation loops. We supply this component as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e, maintaining the integrity of your fault-tolerant architecture.\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\u003eParameter\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMC-TDIDI2\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\u003e51304441-175\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Independent Digital Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC Nominal\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\u003eChannel-to-Channel \u0026amp; System Isolation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUpdate Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤25 ms per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6–8 W (Load dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–20°C to +55°C (Extended versions to +70°C)\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\u003e31.3 cm × 27.8 cm × 3 cm\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\u003e0.56 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, RoHS, IEC EMC\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\u003eMaximum Channel Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 32-channel configuration doubles the input capacity of standard modules, significantly reducing the number of required I\/O racks and lowering overall hardware costs for large-scale deployments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced filtering circuitry allows the module to recognize logic states accurately even in environments with heavy electromagnetic interference (EMI). This prevents \"ghost\" signals from triggering false alarms or process shutdowns.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Fault Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe onboard processor executes continuous self-tests and monitors channel health. It detects field-side wiring faults and internal circuit failures instantly, reporting them to the Experion PKS console for immediate corrective action.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe hardware architecture natively supports redundant configurations. This ensures that the acquisition of discrete signals continues uninterrupted even if a single module or power path fails, supporting \"Six Nines\" availability targets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated surge and reverse polarity protection shield the internal electronics from field-side wiring errors or power fluctuations, extending the service life of the module beyond 10 years in continuous operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the MC-TDIDI2 in legacy TDC 3000 systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The MC-TDIDI2 maintains full backward compatibility with TDC 3000 and TPS architectures, as well as modern Experion PKS platforms. It acts as a direct-fit replacement for older 32-point DI boards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module require a specific terminal block?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This module mounts into standard Honeywell system racks. It connects to field wiring via specific Field Termination Assemblies (FTAs) designed for 32-channel DI modules to ensure proper signal isolation and grounding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module handle signal debounce?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes hardware and software filtering to provide a stable update rate of ≤25 ms. This effectively filters out contact chatter from mechanical switches, ensuring only valid state transitions are processed by the controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a refurbished or surplus unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. We offer only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHoneywell equipment. The unit ships in original factory packaging with full traceability, ensuring you receive the latest engineering revisions for your facility.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44164736548963,"sku":"MC-TDIDI2 51304441-175","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/81.1_38bcade1-bad4-439b-9d6e-5c84b15aa5f0.jpg?v=1778046042","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-mc-tdidi2-51304441-175-high-density-di-board","provider":"AutoControl Global","version":"1.0","type":"link"}