Woodward 9907-019 Digital Governor / Speed Controller

Product Brief Introduction: The Woodward 9907-019 is a digital governor from the Woodward 9907/2300A family. It offers advanced digital speed control with programmable protection, load sharing, and communication features for demanding power generation and industrial engine applications.
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Technical Specifications:
Input: Magnetic pickup, voltage reference, digital
Output: Actuator drive (analog/PWM)
Speed Range: Configurable
Power Supply: 24VDC
Accuracy: ±0.1%
Droop: 0-5% programmable
Communication: RS485/Modbus
Operating Temp: -40°C to +70°C
Functional Features:
Digital PID governing.
Isochronous/droop speed control.
Load sharing capability.
Programmable protection limits.
Soft load transfer.
Remote monitoring via communication port.
Fault logging and diagnostics.
Application Scenarios:
Diesel and gas generator sets.
Paralleled power systems.
Marine auxiliary engines.
Industrial prime movers.
Remote power installations.
Performance Parameters:
Speed Accuracy: ±0.1%.
Load Step Response: Fast digital control.
Communication: Standard serial protocol.
Protection: Programmable trip points.
Resolution: High digital precision.
Structural Characteristics:
Compact digital housing.
Display and indicator panel.
Terminal block connections.
Communication port.
Panel or DIN-rail mount.
Working Principle:
Digital processor continuously monitors engine speed. PID algorithm adjusts actuator output for precise speed maintenance. Communication interface allows remote parameter adjustment and monitoring. Protection circuits independently monitor speed limits and trigger trip outputs when thresholds are exceeded.
Installation Requirements:
Mount in clean, ventilated enclosure.
Connect speed pickup with proper shielding.
Wire communication bus with terminated cable.
Program all parameters via front panel or software.
Verify actuator compatibility and range.




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