{"product_id":"woodward-9907-1199-cpc-ii-current-to-pressure-converter","title":"Woodward 9907-1199 CPC-II Current-to-Pressure Converter","description":"\u003carticle\u003e\n\u003ch3\u003e\n\u003cstrong\u003eProduct Description\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward 9907-1199\u003c\/strong\u003e CPC-II (Generation II) is an electrohydraulic current-to-pressure conversion module engineered for precision control of steam turbine governing systems. The unit translates a standard 4–20 mA control signal into a stable hydraulic pressure output used to actuate turbine governor valves and servo mechanisms.\u003c\/p\u003e\n\u003cp\u003eDeveloped for demanding turbine environments, the CPC-II design delivers extremely fast dynamic response and high control accuracy while maintaining reliable operation in hydraulic systems where oil contamination and harsh temperatures are common. The module integrates advanced valve algorithms that help maintain stable pressure regulation even when fluid cleanliness conditions fluctuate.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e9907-1199\u003c\/strong\u003e is widely used in modern turbine control platforms and is commonly installed as a direct replacement for earlier converter generations, including CPC-I and comparable electrohydraulic interfaces used in legacy turbine systems.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Functional Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe CPC-II architecture improves response speed and reliability compared with earlier electrohydraulic converters. Its internal digital control algorithm continuously adjusts the hydraulic valve position to maintain accurate pressure output corresponding to the incoming current signal.\u003c\/p\u003e\n\u003cp\u003eThe device also supports redundant input signals and power connections, allowing integration into safety-critical turbine control loops where system availability is essential.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\nParameter\n\u003c\/th\u003e\n\u003cth\u003e\nSpecification\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nModel\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e9907-1199\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nProduct Series\n\u003c\/td\u003e\n\u003ctd\u003e\nCPC-II (Generation II)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nManufacturer\n\u003c\/td\u003e\n\u003ctd\u003e\nWoodward\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDevice Type\n\u003c\/td\u003e\n\u003ctd\u003e\nElectrohydraulic Current-to-Pressure Converter\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nControl Input\n\u003c\/td\u003e\n\u003ctd\u003e\n4–20 mA analog signal\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOutput Pressure\n\u003c\/td\u003e\n\u003ctd\u003e\n0–25 bar (0–363 psi) hydraulic output\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nSupply Voltage\n\u003c\/td\u003e\n\u003ctd\u003e\n24 VDC nominal\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOperating Voltage Range\n\u003c\/td\u003e\n\u003ctd\u003e\n18–32 VDC\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nTypical Current Consumption\n\u003c\/td\u003e\n\u003ctd\u003e\n1 A\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDynamic Response\n\u003c\/td\u003e\n\u003ctd\u003e\n​2.5 ms (10–90% step response)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nLinearity\n\u003c\/td\u003e\n\u003ctd\u003e\nBetter than ±0.2% full scale\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nRepeatability\n\u003c\/td\u003e\n\u003ctd\u003e\n±0.1%\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOperating Temperature\n\u003c\/td\u003e\n\u003ctd\u003e\n–40 °C to +70 °C\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOptional Extended Rating\n\u003c\/td\u003e\n\u003ctd\u003e\nUp to +85 °C depending on configuration\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOil Cleanliness Requirement\n\u003c\/td\u003e\n\u003ctd\u003e\nISO 20\/16 compatible\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nEnvironmental Certifications\n\u003c\/td\u003e\n\u003ctd\u003e\nATEX, IECEx, UL (variant dependent)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nControl Architecture\n\u003c\/td\u003e\n\u003ctd\u003e\nSupports redundant signal inputs and dual power interfaces\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nMechanical Compatibility\n\u003c\/td\u003e\n\u003ctd\u003e\nMounting compatible with CPC-I and Voith E360 converters\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cstrong\u003eDesign and Reliability Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eHigh-speed electrohydraulic control is one of the defining characteristics of the CPC-II platform. The internal actuator valve and electronic control loop allow the converter to react within milliseconds to load or speed changes in turbine systems.\u003c\/p\u003e\n\u003cp\u003eThe hydraulic stage incorporates contamination-tolerant valve geometry and a self-cleaning control algorithm. This significantly reduces sensitivity to oil particle contamination compared with conventional electrohydraulic interfaces.\u003c\/p\u003e\n\u003cp\u003eIn turbine installations requiring uninterrupted operation, the unit supports redundant control configurations where two converters operate in master-slave mode or parallel monitoring architectures.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003ePower generation facilities commonly install the \u003cstrong\u003e9907-1199\u003c\/strong\u003e within steam turbine governing systems where precise hydraulic pressure control is required to position turbine inlet valves. The converter provides accurate pressure modulation corresponding to electronic speed or load commands from turbine controllers.\u003c\/p\u003e\n\u003cp\u003eMarine propulsion systems using steam turbines also employ the CPC-II converter to control governor valves responsible for propulsion speed regulation. Its robust design allows reliable operation in vibration-intensive and temperature-variable marine environments.\u003c\/p\u003e\n\u003cp\u003eChemical processing plants, offshore energy installations, and other hazardous industrial environments benefit from the unit’s explosion-protection certifications and wide environmental operating range.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eCompatibility and Upgrade Path\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe CPC-II platform was designed as a mechanical and functional upgrade for older electrohydraulic converters. In many installations, the \u003cstrong\u003e9907-1199\u003c\/strong\u003e can replace CPC-I or Voith E360 converters without requiring structural modifications to the mounting or hydraulic interfaces.\u003c\/p\u003e\n\u003cp\u003eThis backward compatibility significantly simplifies modernization projects where older turbine control hardware must be upgraded while minimizing downtime and mechanical redesign.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat signal does the converter accept from the turbine controller?\u003c\/strong\u003e\r\nThe \u003cstrong\u003e9907-1199\u003c\/strong\u003e accepts a standard 4–20 mA analog command signal that represents a pressure demand from the turbine control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit tolerate contaminated hydraulic oil?\u003c\/strong\u003e\r\nYes. The CPC-II design incorporates contamination-resistant valve geometry and control algorithms that allow operation with oil cleanliness around ISO 20\/16, though proper filtration is still recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this model suitable for hazardous environments?\u003c\/strong\u003e\r\nDepending on the configuration and certification package, the converter can meet ATEX and IECEx requirements for installation in classified industrial zones.\u003c\/p\u003e\n\u003c\/article\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":52762137821469,"sku":"9907-1199","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/9907-1199-2_1000.jpg?v=1787222621","url":"https:\/\/www.6gcontrols.com\/products\/woodward-9907-1199-cpc-ii-current-to-pressure-converter","provider":"6G Controls","version":"1.0","type":"link"}