Introduction to WOODWARD 9907-1200
9907-1200 Product Overview
The WOODWARD 9907-1200, also known as CPC-II (Current-Pressure Converter II), is a high-precision electro-hydraulic interface module designed for industrial turbine control systems. As a core link between electronic controllers and hydraulic actuators, it specializes in converting standard 4-20mA current signals from governors (such as WOODWARD 505E) into proportional and stable pressure outputs, directly driving steam or gas turbine valves to regulate power output. Widely applied in thermal power plants, oil & gas pipelines, and turbogenerator systems, it ensures precise valve positioning for turbine speed control and load adjustment. Its rugged IP67-rated housing resists oil contamination (complying with ISO 20/16 standard) and extreme temperatures, adapting to harsh industrial environments. With a MTBF of up to 100,000 hours, it serves as a reliable replacement for legacy models like 9907-1105 and 9907-1100, seamlessly integrating into existing WOODWARD control architectures via RS232/RS485 communication.
9907-1200 Technical Specifications
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Product Type: CPC-II current-pressure converter (electro-hydraulic interface module)
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Core Functions: 4-20mA current to pressure signal conversion, proportional pressure output, turbine valve control
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Application Compatibility: WOODWARD 505/505E governors, steam/gas turbines, turbogenerators, pipeline compressors
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Input Configuration: 4-20mA current signal; 18-32VDC power input
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Output Configuration: Proportional pressure output; 0-10VDC status feedback; max 10A output current
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Control Performance: Conversion accuracy ±0.1%; response speed up to 100Hz; stable pressure output
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User Interface: Integrated pressure gauge for on-site monitoring; terminal block for wiring
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Communication Interface: RS232, RS485, Ethernet, USB for configuration and status monitoring
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Power Supply: 18-32VDC wide input range; low power consumption design
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Operating Environment: Temperature -40°C to +85°C; humidity 0-95% (non-condensing); IP67 protection rating
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Physical Traits: 155mm×80mm×225mm (L×W×H); weight ~25kg; flange mounting design
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Certifications: Industrial control safety certified; compatible with IEC industrial standards
Recommended WOODWARD Related Models
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WOODWARD 505E: Advanced turbine governor that provides precise 4-20mA control signals for the 9907-1200.
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WOODWARD 9907-164: 505 series speed control module that pairs with the converter for turbine speed regulation.
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WOODWARD Varistroke-DX: Electro-hydraulic actuator that receives pressure signals from the converter to drive valves.
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WOODWARD ProTech TPS: Turbine protection system that coordinates with the converter for emergency valve shutdown.
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WOODWARD 2301A: Cost-effective governor that uses the converter for small-scale turbogenerator control.
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WOODWARD 8237-1597: Digital signal regulator that optimizes current signals before input to the converter.
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WOODWARD Flex500: Multi-turbine control system that centralizes converter status data for plant-wide management.
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WOODWARD APECS® 4500: Engine control module that integrates the converter for CHP system valve control.
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WOODWARD DPG 2200: Generator paralleling controller that works with the converter to balance turbine load.
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WOODWARD K-Series Actuators: Electric throttle units that complement the converter in multi-loop control systems.
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WOODWARD 1712 EPG: All-in-one governing system that incorporates converter-like signal conversion functions.
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WOODWARD 5009 TMR: Triple-redundant controller that monitors the converter’s output for critical turbine safety.
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WOODWARD LinkNet-HT: Distributed I/O module that transmits the converter’s status to central DCS.
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WOODWARD 9907-167: Low-temperature turbine controller that pairs with the converter for polar applications.
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WOODWARD 8200-1312: Digital speed module that sends calibrated current signals to the converter.
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