{"product_id":"1c31233g01-ovation-westinghouse-di-module-24vdc","title":"1C31233G01 Ovation \/ Westinghouse DI Module 24VDC","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEmerson Ovation 1C31233G01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-speed Digital Input (DI) module designed for the Ovation™ Distributed Control System (DCS). This module captures discrete ON\/OFF signals from critical field hardware, including limit switches, pushbuttons, relay contacts, and protection interlocks. It digitizes these field inputs into logic-level data for real-time monitoring and Sequence of Events (SOE) recording. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring the high-speed response and electrical isolation necessary for stable turbine and boiler protection circuits.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1C31233G01 utilizes high-grade optical isolation to maintain signal integrity in electrically noisy power plant environments.\u003c\/p\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\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\u003e1C31233G01\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Isolated Digital Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (0–30 VDC range supported)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogic Thresholds\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLogic “1” ≥ 15 VDC; Logic “0” ≤ 5 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\u003eOptical Isolation; 2500 V RMS to System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eScan Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 1 ms per channel (Fast Acquisition)\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\u003e3 W\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\u003e0°C to +60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40°C to +85°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\u003e50 × 240 × 200 mm\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\u003e1.4 kg (3.0 kg shipping weight)\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\u003eUnited States\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\u003eUltra-Fast Signal Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a scan time of less than 1ms per channel, the 1C31233G01 excels in Sequence of Events (SOE) applications. This speed allows the DCS to accurately timestamp breaker trips or safety interlock activations, which is vital for post-trip root cause analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Isolation Barriers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach of the 16 channels features independent optical isolation. This architecture protects the sensitive Ovation backplane from field-side surges and ground loops up to 2500V RMS, effectively preventing a single field fault from compromising the entire controller rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Cabinet Utilization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe high channel density allows engineers to monitor more field devices within a smaller physical footprint. This minimizes the number of I\/O racks required and simplifies wiring for complex balance-of-plant (BOP) systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBumpless Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports full hot-swap capability. Maintenance personnel can replace a module while the system remains energized, ensuring that equipment status monitoring continues without requiring a complete process shutdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVisual Status Feedback:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated LED indicators provide immediate visual confirmation of channel activity and module health. This simplifies field troubleshooting by allowing technicians to verify signal presence at a glance without specialized test equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1C31233G01 handle 48VDC inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This module is specifically rated for 24VDC nominal inputs (max 30VDC). Applying 48VDC will likely damage the optical isolation circuitry. For 48VDC applications, please specify the appropriate high-voltage DI variant for your Ovation system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this and a standard non-isolated DI module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStandard modules often share a common ground, which increases the risk of noise interference. The 1C31233G01 provides 2500V RMS isolation per channel, making it far superior for high-noise industrial environments like power plant turbine decks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I ensure the best timing accuracy for SOE recording?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo maximize the \u0026lt;1ms scan time benefit, ensure your Ovation controller task speed matches the requirements for your protective logic. Use shielded twisted-pair cables for the 24VDC field runs to minimize induced noise that could cause false logic transitions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support both wetted and dry contact inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1C31233G01 interfaces with dry contacts (using the system's 24VDC power) or wetted contacts provided by external field power, provided the voltage levels stay within the 15-30VDC range for a Logic \"1\".\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43136059113562,"sku":"1C31233G01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/371._25bc1270-6a0d-42a1-9780-b99509881313.jpg?v=1774581384","url":"https:\/\/www.spareoil.com\/products\/1c31233g01-ovation-westinghouse-di-module-24vdc","provider":"SpareOil Automation","version":"1.0","type":"link"}