{"product_id":"emerson-1c31194g01-ovation-valve-positioner-electronics-module","title":"Emerson 1C31194G01 Ovation Valve Positioner Electronics Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1C31194G01 (1C31194G01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Valve Positioner Electronics Module designed for the Emerson Ovation distributed control system, providing a fixed excitation signal for LVDT position feedback in electro-hydraulic actuator control applications. This module is widely installed in steam turbine governing systems, boiler feedwater control loops, and refinery valve regulation systems where precise position control is required for safe plant operation. It generates a stable excitation signal and processes feedback data to maintain accurate valve positioning during dynamic load changes and protective shutdown sequences. Reliable excitation output is essential for preventing valve instability and maintaining system availability in high-demand industrial environments.\u003c\/p\u003e\n\u003cp\u003eThe module provides a fixed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e17 V AC peak-to-peak excitation at 1 KHz\u003c\/strong\u003e, which defines its compatibility with standard-response LVDT-based servo valve actuators.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1C31194G01 operates as the signal-conditioning and excitation generator component within the Ovation valve positioner subsystem.\u003c\/p\u003e\n\u003cp\u003eKey configuration features include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFixed 17 V AC peak-to-peak LVDT excitation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable 1 KHz excitation frequency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferential position feedback signal processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated shutdown digital input monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh isolation between field interface and logic bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for single actuator control channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull compatibility with 1C31197 personality modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe excitation signal characteristics determine the compatibility of the module with the specific servo actuator and feedback sensor configuration used in turbine and process control systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1C31194G01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eOvation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eValve Positioner Electronics Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e178 x 102 x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95 percent non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTypical 4.3 W, Maximum 6.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLVDT Excitation Output\u003c\/td\u003e\n\u003ctd\u003e17 V AC peak-to-peak at 1 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Feedback Input\u003c\/td\u003e\n\u003ctd\u003eMaximum 25 V AC peak-to-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e20 kOhm differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485, RS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1000 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Capacity\u003c\/td\u003e\n\u003ctd\u003eOne electro-hydraulic actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Personality Module\u003c\/td\u003e\n\u003ctd\u003e1C31197 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main functional difference between 1C31194G01 and G02?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe difference is the excitation signal configuration. The G01 provides 17 V AC peak-to-peak at 1 KHz, while the G02 provides higher frequency and voltage excitation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module used in turbine control systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It is specifically designed for turbine valve positioning and similar critical control applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be replaced without recalibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalibration verification is recommended after replacement to ensure stable actuator response.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVerify LVDT wiring polarity before energizing the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain proper grounding to prevent signal noise in high-power turbine environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerform actuator stroke calibration after installation to confirm stable valve positioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":52695180673387,"sku":"1C31194G01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/emerson-ovation-1c31194g01-valve-positioner-electronics-module-wo5f1mk31db_0ded8f8f-b34c-4442-b89e-74282e5120f1.jpg?v=1766114274","url":"https:\/\/www.plcprotech.com\/hu\/products\/emerson-1c31194g01-ovation-valve-positioner-electronics-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}