9907-1106 WOODWARD CPC-II Current to Pressure Converter

Description

The 9907-1106 CPC-II Current to Pressure Converter from Woodward is a precision electro-pneumatic device designed to convert electrical current signals into proportional pneumatic output pressure. It is widely used in turbine control, valve actuation, and industrial process systems where stable and accurate pressure regulation is essential.

Built for industrial reliability, the CPC-II series ensures fast response, low hysteresis, and consistent performance in demanding operating environments.

📋 Product Specifications

Parameter	Description
Model Number	9907-1106
Product Type	CPC-II Current to Pressure Converter
Manufacturer	Woodward
Country of Origin	USA
Input Signal	4–20 mA (standard industrial current signal)
Output Pressure Range	3–15 psi (typical configuration)
Supply Pressure	Up to 100 psi (clean, dry air)
Operating Voltage	Loop powered
Power Consumption	< 5 W
Dimensions	Approx. 160 × 100 × 60 mm
Weight	Approx. 0.7 kg
Operating Temperature	-20°C to +70°C
Mounting Type	Panel or Bracket Mount

⚙️ Key Features

• Precise current-to-pressure conversion
• Fast dynamic response and stable output
• High resistance to vibration and EMI
• Compact industrial-grade housing
• Suitable for turbine valve and actuator control

🔧 Installation & Operation Notes

1. Use clean, dry, oil-free compressed air to prevent internal contamination.
2. Verify correct wiring polarity for the 4–20 mA loop.
3. Install vertically when possible to ensure optimal pneumatic performance.
4. Avoid excessive vibration or high-humidity environments.
5. Calibrate output pressure after installation if required by the system.
6. Periodically inspect air filters and pneumatic connections for leaks.

❓ Frequently Asked Questions (Q&A)

Q1: What is the main function of the CPC-II converter?
A: It converts a 4–20 mA electrical signal into a proportional pneumatic pressure output.

Q2: Can it be used for turbine control valves?
A: Yes, it is commonly applied in steam and gas turbine valve actuation systems.

Q3: Does it require an external power supply?
A: It is typically loop-powered through the 4–20 mA signal.

Q4: What air quality is required?
A: Clean, dry, filtered compressed air is recommended for reliable performance.

Q5: How often should calibration be performed?
A: Calibration intervals depend on operating conditions, but annual inspection is generally recommended.

🔄 Recommended Similar Models (Woodward CPC Series)

Model	Description
9907-018	CPC Current to Pressure Converter
9907-120	CPC-II Electro-Pneumatic Converter
9907-164	CPC-II Pressure Control Unit
9907-147	ProTech Overspeed Protection Module
9907-252	Digital Governor Control Module

The Woodward 9907-1106 CPC-II Current to Pressure Converter offers dependable electro-pneumatic conversion for critical industrial control systems. Its precise regulation, durable design, and stable long-term operation make it suitable for power generation and process automation applications.

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