{"product_id":"emerson-1c31238h01-ovation-compact-contact-digital-input-module","title":"Emerson 1C31238H01 Ovation Compact Contact Digital Input Module","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Emerson 1C31238H01 is a high-density Compact Contact Input Module specifically engineered for the Ovation Distributed Control System (DCS) and DeltaV SIS architectures.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module acts as a critical interface for discrete signal acquisition,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecapturing \"on\/off\" or \"open\/closed\" states from field devices such as limit switches,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epushbuttons,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand relay contacts.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy converting these physical contact states into digital data,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 1C31238H01 enables precise logic execution within the process control environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eDesigned for high-reliability applications,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis module is built to maintain signal integrity in electrically noisy and thermally challenging industrial settings.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts compact form factor allows for efficient use of cabinet space,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaking it an ideal choice for power generation and safety-instrumented systems where high-density I\/O routing is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturer\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEmerson (Westinghouse)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModel Number\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e1C31238H01\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Type\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDigital Input \/ Compact Contact Input\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSystem Compatibility\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOvation DCS,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDeltaV SIS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Type\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDiscrete \/ Dry Contact\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMounting\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eP-Mod Base Compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCondition\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBrand New (New Old Stock)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperating Environment\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIndustrial Grade (G3 Harsh Environment Capable)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eWeight\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e9 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eDimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e6.\u003c\/span\u003e\u003cspan class=\"\"\u003e0 x 12.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 x 6.\u003c\/span\u003e\u003cspan class=\"\"\u003e3 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrigin\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eKey Technical Characteristics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHigh-Density Contact Monitoring\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe 1C31238H01 is optimized for large-scale discrete data acquisition.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt allows for the simultaneous monitoring of multiple contact points,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that the DCS has real-time visibility into the status of safety interlocks and motor starters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eGalvanic Signal Isolation\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTo protect the system backplane from field-side electrical surges and transients,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe module incorporates robust isolation circuitry.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis prevents ground loops and ensures that the internal processor logic remains undisturbed by external electrical noise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eIntegrated Self-Diagnostics\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe module features intelligent sensing capabilities that proactively detect internal hardware failures or signal discrepancies.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThese diagnostics are reported directly to the operator workstation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003esignificantly reducing troubleshooting time and preventing unplanned process interruptions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eFast Response Switching\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEngineered for time-critical applications,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 1C31238H01 delivers low-latency signal processing.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis speed is essential for safety-instrumented functions (SIS) where milliseconds can determine the success of an emergency shutdown sequence.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRugged Mechanical Architecture\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEncased in a durable housing,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe module is resistant to the mechanical vibrations and thermal fluctuations common in turbine rooms and chemical processing plants.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is designed for long-term deployment with high MTBF (Mean Time Between Failures).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSimplified Integration\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe module is designed for \"plug-and-play\" installation into standard Ovation P-Mod bases.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis standardized interface facilitates rapid hot-swapping and simplifies system expansion without requiring extensive rewiring of the control rack.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003ePrimary Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Emerson 1C31238H01 Contact Input Module is a standard requirement in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eEnergy \u0026amp; Power Utilities\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eStatus monitoring for circuit breakers,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eboiler trip switches,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand auxiliary relays.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOil \u0026amp; Gas Refineries\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eInterfacing with emergency stop buttons and valve position limit switches.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eChemical Manufacturing\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAcquiring discrete data for safety-rated interlock systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eWater Treatment\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring pump run\/stop statuses and high\/low level float switches.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45519119909037,"sku":"1C31238H01","price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/emerson-1c31238h01-transmission-model-s10qqwh30d4.jpg?v=1766987384","url":"https:\/\/www.maxwellplc.com\/products\/emerson-1c31238h01-ovation-compact-contact-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}