{"product_id":"emerson-ovation-1c31181g01-remote-analog-input-vdc-logic-module","title":"Emerson Ovation 1C31181G01 Remote Analog Input VDC Logic Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEmerson Ovation 1C31181G01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Remote Analog Input Module engineered for the Ovation™ Distributed Control System (DCS). This module specializes in the high-resolution acquisition of VDC logic and analog process signals, providing the interface for 4–20 mA transmitters and voltage-type sensors (0–10 V, 1–5 V). It facilitates accurate real-time monitoring of pressure, flow, and level instruments across distributed remote I\/O nodes. We supply this component as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring the long-term measurement stability and noise immunity required for turbine, boiler, and balance-of-plant (BOP) control loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1C31181G01 utilizes advanced A\/D conversion and low-drift measurement circuitry to maintain typical accuracy of ±0.1% in harsh industrial 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\u003e1C31181G01\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRemote Analog Input \/ VDC Logic I\/O\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\u003e8 or 16 Channels (System-Dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4–20 mA, 0–10 V, 1–5 V, ±1 V, ±5 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12–16 Bit A\/D Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.1% of Full Scale (Typical)\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; Channel-to-System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFiltering\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog + Digital Low-Pass Filtering\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\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOvation Remote I\/O Rack \/ Chassis Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.36 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\u003eOptimized Remote Data Acquisition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1C31181G01 excels in distributed architectures. It captures analog field data at the remote node and transmits digitized values to the central controller, reducing the need for expensive, long-distance analog cable runs and minimizing signal degradation over distance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery input channel features robust electrical isolation. This protects the internal Ovation logic from field-side voltage spikes, ground loops, and electromagnetic interference (EMI). This shielding ensures that a single instrumentation fault does not cascade into a system-wide failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Signal Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated low-pass analog and digital filters remove high-frequency noise and 50\/60 Hz line interference. This provides the controller with clean, stable process variables, which is critical for preventing \"chatter\" in PID control loops and sensitive protective interlocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Hardware Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module maintains full compatibility with both legacy Westinghouse-era and modern Emerson Ovation backplanes. Its VDC logic-based architecture allows it to handle a wide variety of industrial signal ranges without requiring external conversion hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eZero-Downtime Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe hot-swappable design allows maintenance personnel to replace the 1C31181G01 while the rack remains energized. This ensures continuous operation of adjacent modules and prevents process interruptions during hardware upgrades or repairs.\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 I use the 1C31181G01 for both 2-wire and 4-wire transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module supports various field wiring configurations. For 2-wire transmitters, ensure the field loop power is correctly distributed through the base assembly. For 4-wire devices, the module focuses on high-impedance signal acquisition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support Sequence of Events (SOE) for analog signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile primarily an AI module, its high-speed sampling allows the DCS to record signal deviations with high temporal resolution. For dedicated SOE functions, check your controller's task frequency settings in the Ovation configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the module revision (e.g., REV: 06)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRevision levels are printed on the side label of the module and can be verified via the DCS diagnostics. REV: 06 and subsequent versions include updated component sets for improved thermal performance and long-term reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module a direct replacement for discontinued 1C31181 series units?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This brand-new module serves as a direct drop-in replacement for discontinued versions of the 1C31181 series, allowing plants to maintain their legacy systems with original, high-integrity hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43139204972634,"sku":"1C31181G01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/379._adfd2527-3bb7-46e7-a2f8-e89b830a5509.jpg?v=1774590389","url":"https:\/\/www.spareoil.com\/products\/emerson-ovation-1c31181g01-remote-analog-input-vdc-logic-module","provider":"SpareOil Automation","version":"1.0","type":"link"}