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Woodward 9905-200
Product Overview
Special actuator drive control unit matched with Woodward speed regulation system, used to drive proportional hydraulic actuator and electromagnetic fuel actuator. It converts the speed controller control signal into stable current drive output, precisely adjust engine fuel rack opening and gas throttle position, realize automatic speed regulation and load follow-up control. The module has strong drive load capacity and signal linearity, with overcurrent, short circuit and overheating comprehensive protection function.
Detailed content
Technical Specifications
Working Power Supply: 18VDC to 32VDC wide voltage input
Drive Output Mode: Proportional current drive output
Output Current Range: 0mA to 20mA continuous adjustable
Drive Load Impedance: Adapt to 20Ω to 200Ω actuator load
Working Temperature: -30℃ to +80℃
Protection Function: Built-in overcurrent, short circuit, reverse connection and overheating protection
Response Speed: Microsecond level fast signal response
Functional Characteristics
High linearity drive output, strictly follow control signal proportional adjustment without dead zone
Strong load drive capability, stable drive various types of Woodward matching actuators
Complete internal protection mechanism, automatically cut off output in case of fault to avoid actuator burnout
Reverse power supply connection protection, no module damage caused by positive and negative wiring error
Compact fully sealed design, resistant to engine cabin oil mist, dust and vibration
No external signal amplifier needed, direct matching with main governor controller
Application Scenarios
Large marine diesel engine fuel control system, land-based high-power generator set speed regulation, gas engine compressor unit throttle control, industrial waste heat power generation unit engine regulation, mobile power station engine automatic load adjustment.
