Woodward 9905-657 Signal Regulator Board
- Product Name: Woodward 9905-657 Signal Regulator Board
- Product Description: A dedicated signal regulation board for Woodward speed control and governor systems, designed to condition and process input/output signals for accurate control. It ensures signal stability and compatibility between control modules and sensors/actuators, critical for reliable system operation.
- Technical Specifications:
- Power Supply: 24 VDC (compatible with Woodward control systems)
Detailed content
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- Signal Inputs: Magnetic Pickup (MPU), proximity probe, 4–20 mA analog signals
- Signal Outputs: Scalable 4–20 mA, discrete relay outputs (dry contact)
- Isolation: Galvanic isolation between input and output circuits for noise reduction
- Operating Temperature: -20°C to +70°C
- Enclosure: Industrial-grade PCB with conformal coating
- Dimensions: Standard DIN rail-mount form factor
- Key Features:
- Signal conditioning for high-noise industrial environments, ensuring accurate signal transmission
- Galvanic isolation to prevent ground loops and electromagnetic interference
- Scalable signal output for compatibility with different actuators and monitoring systems
- Overvoltage/overcurrent protection for signal circuit safety
- Easy integration with Woodward 2301A, 9905 series, and ProAct control modules
- Compact DIN rail design for space-efficient installation in control cabinets
- Applications: Signal conditioning for Woodward speed control systems, engine/turbine control panels, industrial automation systems, and power generation control architectures.












