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WOODWARD 9907-1199｜CPC-II Current-to-Pressure Converter｜
1. Core functions
Electro hydraulic signal conversion: 4-20 mA → hydraulic pressure, driving single acting actuator
Pressure closed-loop control: built-in PID, millisecond level response, stable output pressure
Valve Linearization Compensation: Optimizing Valve Flow Characteristics and Improving Control Stability
Safety protection: automatic pressure relief in case of power failure/malfunction, ensuring the safety of unit shutdown
On site calibration: Zero position/range can be adjusted on-site, simplifying maintenance
2. Typical applications
Steam turbine: main steam valve, regulating valve servo control (cogeneration, industrial drive)
Turbine generator set: fast speed/load adjustment, adapted to power grid fluctuations
Industrial compressors/pumps: high dynamic valve control for turbine driven equipment
Zone 1 Explosion proof Scenario: Steam Turbine Control in Chemical, Oil and Gas Hazardous Areas
Upgrading of old units: replacing traditional I/H converters to improve response and accuracy
WOODWARD 9907-1199｜CPC-II Current-to-Pressure Converter｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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