{"product_id":"ovation-1c31197g01-emerson-valve-positioner-personality-module","title":"Module de personnalité de positionneur de vanne Ovation Emerson 1C31197G01","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1C31197G01 (1C31197G01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dedicated Valve Positioner Personality Module designed for the Emerson Ovation distributed control system, widely deployed in steam turbine control, power generation units, and refinery process regulation environments. This module provides precision current drive capability to electro-hydraulic servo valves, ensuring stable valve positioning during load changes, turbine startup, and emergency shutdown conditions. It integrates directly with the Valve Positioner Electronics Module to form a complete closed-loop actuator interface, minimizing response latency and improving system reliability. In turbine governing and boiler feedwater control loops, this module plays a critical role in maintaining actuator stability and reducing unplanned downtime caused by unstable servo coil output or signal mismatch. It supports multiple servo coil configurations and maintains consistent output accuracy across continuous industrial duty cycles.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1C31197G01 functions as a Personality Module within the Ovation valve positioning subsystem, providing the electrical interface characteristics required for specific servo coil impedance profiles.\u003c\/p\u003e\n\u003cp\u003eKey architecture characteristics include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFixed 330 Ohm resistor network optimized for 82 Ohm servo coils\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDrives up to three servo coils simultaneously\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully compatible with Electronics Modules 1C31194G01 and 1C31194G02\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferential output architecture for stable coil excitation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh dielectric isolation between field interface and logic bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for single electro-hydraulic actuator control per channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis modular separation between electronics and personality functions allows engineers to standardize hardware while adjusting field behavior through interchangeable personality modules, simplifying maintenance and spare parts management in critical rotating machinery systems.\u003c\/p\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\u003eParameter\u003c\/th\u003e\n\u003cth\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\u003e1C31197G01\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eValve Positioner Personality Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 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\u003eSystem dependent, typically under 6.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Drive Capability\u003c\/td\u003e\n\u003ctd\u003eUp to plus minus 24.9 mA into 82 Ohm coils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.4 percent of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1000 V DC field to logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Electronics Module\u003c\/td\u003e\n\u003ctd\u003e1C31194G01, 1C31194G02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485 via SLIM interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1C31197G01 compatible with all Ovation valve positioner electronics modules?\u003c\/strong\u003e\u003cbr\u003eYes. This personality module operates with both 1C31194G01 and 1C31194G02 electronics modules without firmware modification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of actuator does this module typically control?\u003c\/strong\u003e\u003cbr\u003eIt is engineered for electro-hydraulic servo valve actuators used in turbine governing, boiler control, and feedwater regulation systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module replace other personality module variants such as 1C31197G02 or G03?\u003c\/strong\u003e\u003cbr\u003eReplacement depends on servo coil impedance. Incorrect substitution may result in unstable current output or actuator response deviation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the most common field failure symptom associated with this module?\u003c\/strong\u003e\u003cbr\u003eUnstable valve positioning or reduced actuator response usually indicates resistor network degradation or coil mismatch during maintenance replacement.\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 servo coil impedance before installation. The 1C31197G01 is specifically tuned for 82 Ohm coils, and mismatch will affect actuator stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain proper cabinet airflow when installed near turbine control racks, especially in environments exceeding 45 deg C ambient temperature.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded twisted pair wiring for servo output lines to prevent electromagnetic interference from nearby generator excitation systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlways perform functional loop testing after module replacement to confirm stable valve movement during startup and shutdown sequences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":52695188865387,"sku":"1C31197G01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/emerson-1c31197g01-dcs-control-system-plc-module-teghvzsszrd_a5aac383-35c1-4cd1-ac86-85224388d1f0.jpg?v=1766114557","url":"https:\/\/www.plcprotech.com\/fr\/products\/ovation-1c31197g01-emerson-valve-positioner-personality-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}