{"product_id":"experion-c-dcs-digital-input-module-900c72r-0100-43-honeywell","title":"Experion C DCS Digital Input Module | 900C72R-0100-43 Honeywell","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 900C72R-0100-43\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-density discrete signal interface for the Honeywell HC900 Hybrid Controller and Experion C DCS platforms. It monitors up to 32 independent digital signals from field equipment, including limit switches, proximity sensors, and emergency stop pushbuttons. By integrating high-speed signal processing and robust electrical isolation, this module ensures the central control logic receives accurate, noise-free data even in electrically \"dirty\" industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New, Unopened, Original Factory Packaging.\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e900C72R-0100-43\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Isolated Digital Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHC900 PLC \/ Experion C DCS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Configurations\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDry Contact, Wet Contact, AC\/DC Pulse\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\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\u003eFull Channel-to-Channel and System Isolation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Backplane \/ RS-485 (Config dependent)\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\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail or HC900 Chassis Panel Mount\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 Compliant; Industrial Standards\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\u003eHigh-Density I\/O Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 32-channel architecture maximizes control cabinet space. Engineers can monitor twice as many points compared to standard 16-channel cards, significantly reducing the total number of racks and the physical footprint of the DCS or PLC system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eComprehensive channel-to-channel isolation prevents ground loops and electrical cross-talk. This ensures that a massive voltage spike or ground fault on one field sensor does not propagate to other channels or damage the sensitive controller backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Field Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module accepts dry contacts (voltage-free), wet contacts, and pulse signals. This versatility allows you to standardize on a single module type for various field device technologies, simplifying your spare parts inventory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Processing Speeds:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for time-critical loops, the 900C72R-0100-43 delivers fast response times. It captures rapid state changes in limit switches or safety interlocks, allowing the controller to execute emergency protocols within milliseconds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Power Thermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe low-power design minimizes heat dissipation within the module. This prevents thermal build-up in sealed enclosures, maintaining hardware longevity even when the module operates at its upper temperature limit of +60°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 900C72R-0100-43 require external power for dry contact inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, for dry contact inputs, you must provide a 24 VDC excitation voltage to the circuit. The module then detects the presence or absence of this voltage when the field contact closes or opens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module interchangeably between the HC900 and Experion C platforms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Honeywell designed the 900C72R-0100-43 for cross-platform compatibility within the HC900 and Experion C DCS families. Always verify that your specific rack or carrier base supports the physical dimensions and connector pinout of this module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I troubleshoot individual channel failures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module integrates with the system's diagnostic software to report channel-specific faults. Furthermore, it features onboard LED indicators that provide immediate visual confirmation of signal status for each of the 32 inputs, facilitating rapid field wiring verification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of \"system isolation\" mentioned in the specs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSystem isolation provides a secondary layer of protection that separates the field-side wiring from the internal logic and communication bus of the PLC\/DCS. This barrier prevents high-voltage transients from compromising the CPU or other I\/O modules in the rack.\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":43685433442403,"sku":"900C72R-0100-43","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/123._52c1797a-e2b5-4833-a02c-0c6c658055d4.jpg?v=1778729167","url":"https:\/\/www.autocontrolglobal.com\/products\/experion-c-dcs-digital-input-module-900c72r-0100-43-honeywell","provider":"AutoControl Global","version":"1.0","type":"link"}