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WOODWARD 9907-1198｜CPC-II Current-to-Pressure Converter｜
1. Core performance indicators
Control accuracy: pressure stability<± 2% of set value, repeatability accuracy 0.1% of full range
Response time: Total response time of 10-30 ms, meeting the rapid adjustment requirements of the steam turbine
Anti pollution: Silt Buster self-cleaning technology, resistant to 40 μ m oil stains, no need for precision filtration
Material: Valve core/sleeve 440C stainless steel, corrosion-resistant and wear-resistant, suitable for turbine lubricating oil system
Safety design: Automatically return to the safety bypass after power failure, ensuring the safety of unit shutdown
2. Interface and Diagnosis
Isolated I/O, resistant to electromagnetic interference, supports local debugging and upper computer configuration
Built in self diagnosis: Over range and abnormal pressure can trigger alarms/interlocks
LED status indicator light, quickly locate operating/fault status
3. Core functions
Electro hydraulic signal conversion: 4-20 mA → hydraulic pressure, driving single acting actuator
Pressure closed-loop control: built-in PID, stable output pressure, compatible with valve servo system
Safety protection: Automatic pressure relief in case of power loss/malfunction, valve returns to safe position
On site calibration: Zero position/range can be adjusted on-site, simplifying maintenance
WOODWARD 9907-1198｜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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