Woodward 8561-911
Product Overview
Industrial dedicated speed measurement and control expansion module, matched with Woodward electronic governor and generator parallel operation system. It integrates high-precision speed signal sampling, frequency conversion processing and analog signal conversion functions, can collect engine flywheel speed pulse signals in real time, convert stable standard analog signals and transmit to main controller. The module has strong low-frequency signal capture capability and anti-harmonic interference performance, suitable for various diesel engine, gas engine speed monitoring and closed-loop control occasions.
Detailed content
Technical Specifications
Working Power Supply: 12VDC/24VDC wide voltage universal power supply
Speed Signal Input: Magnetic pickup speed signal input, adapt to 5Hz to 10kHz pulse frequency
Analog Output: Programmable 4-20mA speed analog signal output
Pulse Input Impedance: High impedance input design, anti-signal attenuation
Working Temperature: -40℃ to +80℃
Protection Grade: IP30 internal circuit dustproof and anti-oil mist
Shell Material: Flame retardant metal alloy shell
Response Time: Full signal response time less than 50ms
Functional Characteristics
High-sensitivity magnetic pickup signal conditioning circuit, stable capture low-speed weak pulse signal
Built-in digital filtering algorithm, automatically filter engine vibration interference and power grid harmonic interference
Precise speed-to-analog conversion, linear output without distortion in full speed range
Support speed threshold preset and overspeed signal auxiliary output
Compact modular design, small footprint, easy to install in control cabinet and engine side junction box
No need for external auxiliary power signal conversion, plug and play after simple parameter setting
Long-term operation without signal drift, no regular calibration required
Application Scenarios
Land-based diesel generator set speed regulation system, gas engine unit load sharing control, marine main engine and auxiliary engine speed monitoring, oil and gas field drilling engine control, engineering machinery high-power engine closed-loop speed control.












