{"product_id":"woodward-8200-177-digital-valve-positioner","title":"Woodward 8200-177 Digital Valve Positioner","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8200-177\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision Digital Valve Positioner (DVP) developed by Woodward, Inc. for pneumatic actuator control in industrial process automation systems.\u003c\/p\u003e\n\u003cp\u003eThe module converts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA analog or digital fieldbus commands\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto accurate mechanical valve positioning using microprocessor-based control algorithms. This significantly improves control loop stability, reduces hysteresis, and provides highly linear response characteristics for fuel, steam, and fluid regulation systems.\u003c\/p\u003e\n\u003cp\u003eThe device features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintegrated self-diagnostics\u003c\/strong\u003e, enabling continuous monitoring of actuator health, pneumatic pressure conditions, and internal electronics status. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP66-rated enclosure\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides strong protection against dust and water ingress, making it suitable for harsh industrial environments such as power plants, refineries, and chemical processing facilities.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8200-177\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Valve Positioner (DVP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA \/ Fieldbus digital commands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePneumatic actuator compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated high-resolution sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHART \/ Profibus PA \/ FOUNDATION Fieldbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal health and pneumatic monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eValve-mounted or remote cable-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eGas turbine fuel control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSteam flow and pressure regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical process control loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower plant valve automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be mounted remotely from the valve?\u003c\/strong\u003e\u003cbr\u003eYes. Remote mounting via extension cables is supported for high-vibration or high-temperature installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require manual calibration?\u003c\/strong\u003e\u003cbr\u003eNo. The module supports automatic calibration and valve stroke learning functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does self-diagnostics improve safety?\u003c\/strong\u003e\u003cbr\u003eIt can detect air pressure loss or hardware faults and report them through the communication bus for controlled system shutdown.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":48746772234492,"sku":"8200-177","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/8200-1772.jpg?v=1772010545","url":"https:\/\/www.electronicplc.com\/products\/woodward-8200-177-digital-valve-positioner","provider":"Electronic PLC","version":"1.0","type":"link"}