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WOODWARD 9907-1200 – CPC-II Current-to-Pressure Converter
Product Overview
The WOODWARD 9907-1200 is a high-performance current-to-pressure converter from the CPC-II series, engineered for precise signal conversion in industrial control systems. It translates electrical current input into proportional pneumatic output, solving the challenge of seamless signal transmission between electronic controllers and pneumatic actuators in harsh industrial environments. Widely used in turbine control, process industries and power plants, it ensures accurate valve positioning and stable operation, integrating easily with existing control systems like Woodward 505 and 9905 controllers.
Technical Specifications — 9907-1200
| Parameter | Value |
|---|---|
| Product Model | 9907-1200 |
| Manufacturer | WOODWARD |
| Product Type | CPC-II Current-to-Pressure Converter |
| Power | 18–32 V DC |
| Communication / Protocol | Local diagnostics via connector; optional HART version |
| Operating Temperature | -40°C to +85°C |
| Mounting | Any orientation |
| Dimensions (HxWxD) | 358 x 282 x 95 mm |
| Weight | 4.45 kg |
| Typical Interfaces | Connector for diagnostics, pneumatic supply interface |
| Compliance | CE, ATEX, CSA, UL, RoHS compliant |
WOODWARD 9907-1200
Key Features and Benefits — 9907-1200
- Precise conversion: Delivers control accuracy of ±0.2% of full scale, with linearity and hysteresis <±0.5% for reliable signal translation.
- Rugged design: Anodized aluminum enclosure with IP65 protection, resisting environmental factors and ensuring thermal stability in harsh industrial settings.
- Easy calibration: Equipped with zero and span adjustments for convenient field calibration, reducing installation and maintenance time.
- Low air consumption: Optimized design ensures continuous operation in critical control loops without excessive air usage.
- Broad compatibility: Works seamlessly with Woodward controllers and third-party industrial control systems, suitable for turbine and process control applications.
Related Models
- WOODWARD 9907-014: A CPC-II series converter with specialized features for small-scale pneumatic control systems.
- WOODWARD 9907-018: A compact current-to-pressure converter, ideal for space-constrained industrial control cabinets.
- WOODWARD 8701-758: A complementary pressure control module, compatible with 9907-1200 for enhanced turbine valve control.
- WOODWARD 5601-1126: A servo control accessory, designed to work with 9907-1200 in steam turbine applications.
Installation and Maintenance — 9907-1200
- Installation: Verify clean, dry instrument air supply before mounting; ensure adequate clearance for maintenance access.
- Wiring: Follow manufacturer guidelines for electrical connections, ensuring secure wiring to avoid signal interference.
- Maintenance: Periodically inspect for air leaks and calibration accuracy; replace air filters as needed and recalibrate annually.
- Troubleshooting: Use built-in status indicators to identify issues; refer to the product manual for diagnostic and calibration guidance.
