Product Description
The DYN1-10784-003-0-12 is an electronic speed control unit developed by Woodward, originally under the Barber-Colman product line. It is engineered to maintain stable engine speed in diesel-driven systems by regulating fuel delivery through compatible actuator assemblies.
This controller operates on a 12 VDC power supply and is typically installed in a panel-mounted configuration, making it suitable for retrofit and replacement scenarios in legacy control systems. It is widely used as a direct functional substitute for earlier Dyna series controllers in industrial generator and engine applications.
The unit provides consistent speed regulation under varying load conditions and is commonly integrated with Stanadyne D-type actuator systems or equivalent configurations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DYN1-10784-003-0-12 |
| Manufacturer | Woodward / Barber-Colman lineage |
| Supply Voltage | 12 VDC |
| Control Type | Closed-loop electronic speed controller |
| Mounting Method | Panel mount |
| Compatible Actuators | DYNA series / Stanadyne D-type systems |
| Dimensions | 203 × 203 × 203 mm |
| Signal Interface | Analog speed sensing input (magnetic pickup typical) |
| Adjustment Features | Speed setting, gain, droop, and stability tuning |
| Environmental Rating | Industrial-grade enclosure (non-hazardous area) |
Application Areas
This controller is used in diesel engine systems where stable rotational speed is critical for operational performance. Typical applications include:
- Standby and prime power generator sets
- Industrial pump and compressor drives
- Marine auxiliary engines
- Oil and gas field equipment
Operational Considerations
The controller does not incorporate internal safety shutdown logic. System designers must implement independent protective mechanisms such as overspeed trips, high-temperature shutdowns, or pressure-based interlocks to ensure safe operation.
Proper tuning of gain and stability parameters is required during commissioning to match the dynamic response of the engine and actuator combination. Periodic inspection of wiring, connectors, and speed sensors is recommended to maintain control accuracy.
FAQ
Q: Is this unit a direct replacement for earlier Dyna controllers? A: Yes, the DYN1-10784-003-0-12 is commonly used as a replacement for earlier Woodward/Barber-Colman Dyna series controllers with similar electrical and mechanical configurations.
Q: Does the controller include overspeed protection? A: No, overspeed protection must be implemented externally using dedicated safety devices.
Q: What type of speed input signal is required? A: The controller typically uses a magnetic pickup sensor to monitor engine speed.
