The Woodward 8800-1001, also cataloged as the 8800-1001 Digital Speed Control, operates as a dedicated hardware component for engine speed control and load sharing within generator set networks.
| Parameter | Specification |
|---|---|
| Model | 8406-114 (8800-1001 / DSS-2 / 2301D Engine Control) |
| Brand | Woodward |
| Origin | United States |
| Weight | 2.27 kg (5.00 lbs) / Net Weight: 2.5 kg |
| Dimensions | 300 mm x 200 mm x 80 mm |
| Operating Temp | -40 deg C to 70 deg C (-40 deg F to 158 deg F) |
| Storage Temp | -55 deg C to 105 deg C (-67 deg F to 221 deg F) |
| Relative Humidity | 95% at 50 deg C, non-condensing |
| Power Supply Input | 9 to 30 VDC continuous range (Alternative baseline: 18 to 32 VDC) |
| Speed Input Range | 1 to 20,000 Hz frequency range via Magnetic Pickup (MPU) |
| Actuator Drive | Pulse-Width Modulation (PWM) or analog output signal |
| Serial Communication | RS-485 Modbus RTU interface |
| Wiring Connection | Euro-style terminal block interface |
| Electrical Protection | Reverse polarity protected circuitry |
The system utilizes an integrated two-channel digital frequency calculation matrix to decode magnetic pickup (MPU) feedback signals measuring between 1 and 20,000 Hz. The processing unit translates these sensor inputs into instant pulse-width modulated (PWM) or analog actuator drive corrections, stabilizing governor throttle loops against dynamic electrical load shifts.
For parallel engine operation, the instrument runs localized proportional load sharing algorithms. It interfaces with Woodward DSLC units via dedicated analog lines to adjust real kW distributions across isolated or mains-tied generator buses, matching governor fuel vectors to enforce stable frequency synchronization.
Q: Does the 8800-1001 support online hardware removal while the primary actuator loop is active? A: No. Pulling the wiring terminals under power breaks the reverse-polarity protected 9-30 VDC supply track and drops the actuator drive line immediately. This will cause an immediate loss of fuel governor control, initiating an engine overspeed or uncontrolled shutdown sequence.
Q: Can this specific model replace older analog Woodward control hardware directly? A: Yes. The unit is designed as a direct physical and operational replacement for the legacy legacy part number SA-1905, translating old wire maps into the modern Euro-style terminal block architecture.
Q: How does the control architecture mitigate speed reference signal loss? A: The digital firmware monitors the continuous MPU frequency track. If the incoming frequency drops below the minimum 1 Hz threshold while the generator is running, the logic registers a sensor failure state, cutting current to the actuator drive to safely close the fuel valve.
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