Woodward 8270‑1004 Speed Controller Control Unit
Product Introduction
Woodward 8270‑1004 is an analog speed control unit of the DYNA 8000 series, part‑number alias DYN1‑10654‑000‑0‑24. It adopts 24VDC power supply and panel‑mount structure, mainly used for closed‑loop speed regulation of diesel and gas prime movers. Woodward 8270‑1004 receives signals from magnetic speed sensors and outputs drive signals to match actuators to realize speed stabilization and load fluctuation compensation. It is widely applied in generator sets and complete‑set renovation projects for industrial engines. As analog governing hardware, Woodward 8270‑1004 requires no software configuration. On‑board potentiometers are used for on‑site parameter tuning including gain, speed and droop, which makes it suitable for replacement scenarios of legacy unit governing systems.
Technical Parameters
| Parameter Item | Specification |
|---|---|
| Operating Voltage | 24 VDC |
| Speed Sensing Frequency | 2500‑5000 Hz |
| Mounting Method | Panel cut‑out mounting |
| Compatible Actuators | DYNA 2000, DYNA 2500 series |
| Signal Input | Magnetic pickup speed sensor |
| Adjustment Mode | Hardware adjustment via on‑board multi‑turn potentiometers |
| Replacement Part Number | DYN1‑10654‑000‑0‑24 |
| Operating Environment | Indoor installation inside industrial cabinet; avoid heavy vibration and direct oil mist blowing |
| Control Type | Analog electronic speed governor |
Functional Advantages
- Supports magnetic pickup speed signal acquisition, tracks actual engine speed in real‑time, quickly corrects output under sudden load changes and suppresses speed drift.
- All parameters are adjusted via hardware potentiometers without programming tools. Field engineers can directly set gain, idle speed, rated speed and ramp rate.
- Woodward 8270‑1004 features stable closed‑loop governing logic, reduces frequency fluctuation under generator‑set operating conditions and guarantees power supply quality.
- Panel‑mount structure fits most cabinet cut‑out sizes, convenient for direct replacement of old governing units.
External remote speed‑set potentiometer is supported to realize remote speed adjustment.
Product Features
- DYNA 8000 series hardware architecture, pure analog circuit design without firmware version constraints.
- Clear terminal layout with separated interfaces for sensors, power supply and actuators to lower wiring error risks.
- Wide adaptability to flywheel tooth frequencies, compatible with signal acquisition for engines with various flywheel tooth counts.
- Good anti‑interference performance, suitable for industrial sites with complex electromagnetic conditions.
- Compact size with small cabinet footprint, ideal for renovation projects with limited space.
Application Fields
Backup power supply for diesel generator sets, driving equipment of industrial gas engines. Speed governing control for marine vessel auxiliary engines. Renovation of reciprocating prime movers in oil & gas industry. Complete‑set factory emergency power generation equipment. Speed governing upgrade and replacement for large diesel power units in construction machinery.
Same‑Brand Product Comparison
| Model | Type | Key Description | Power |
|---|---|---|---|
| Woodward 8270‑1004 (DYNA8000) | Analog Governor | Potentiometer adjustment, for DYNA2000/2500 actuators, oriented to retrofit replacement, no software | 24VDC |
| Woodward 8270‑1035 | Analog Governor | 12V DYNA controller, similar hardware logic | 12VDC |
| Woodward 2301 Series | Analog Governor | General‑purpose analog governor, wider actuator compatibility, larger dimension | ‑ |
| Woodward 723PLUS | Digital Governor | Software configuration, rich functions, higher cost, for new‑build equipment | ‑ |
Matching Products
- Actuators: DYNA‑2000, DYNA‑2500
- Speed Sensor: 8272‑824
- Ramp Generator: 8271‑909 (24V)
Remote Governing Potentiometer: DYNS 10000
Supply Advantages
We can provide spot stock and order‑based lead‑time solutions for Woodward 8270‑1004.
FAQ
Q1: What is the relationship between Woodward 8270‑1004 and DYN1‑10654‑000‑0‑24?
A1: DYN1‑10654‑000‑0‑24 is the internal part number, while 8270‑1004 is the external material number. They refer to identical hardware and are fully interchangeable.
Q2: Can Woodward 8270‑1004 operate with 12V power supply?
A2: No. This model requires fixed 24VDC input. Select version 8270‑1035 for 12V engine systems.
Q3: Can actuators of other brands work with Woodward 8270‑1004?
A3: DYNA2000 and DYNA2500 series are preferred. For third‑party actuators, verify coil impedance and drive current parameters; direct mixed use is not recommended.
Q4: Engine speed drifts and fluctuates heavily after controller power‑on, which points should be checked?
A4: Prioritize magnetic pickup sensor gap, shield grounding of wiring, gain potentiometer setting and actuator mechanical jamming, then verify power‑supply voltage stability.
Q5: What information shall be provided to confirm compatibility when purchasing Woodward 8270‑1004?
A5: Original part number, supply voltage, existing actuator model and flywheel tooth count are required to confirm full governing‑system compatibility.
Q6: Does this unit support Modbus remote communication?
A6: Woodward 8270‑1004 is a pure analog speed control unit without digital communication interfaces, Modbus function is unavailable.
Q7: Can Woodward 8270‑1004 replace 2301A controller directly?
A7: Direct replacement is not feasible due to different terminal definitions and drive outputs. Rewiring and actuator matching verification are mandatory.
Q8: What is the typical lead‑time for Woodward 8270‑1004 orders?
A8: Two supply modes: spot goods for quick shipment and forward order subject to overseas supply‑chain fluctuation. Confirm exact lead‑time before placing orders.
Recommended Same‑Brand Models
- 8270‑1004, DYNA 8000 Speed Controller
- 8270‑1035, DYNA 8000 12V Speed Controller
- 8270‑1060, DYNA Plus Speed Controller
- 8270‑1072, DYNA 8000 Controller Unit
- 8290‑190, EPG Speed Governor
- 8290‑191, EPG Electronic Governor
- 8272‑824, Magnetic Pickup Sensor
- 2301A, Analog Speed Controller
- 723PLUS, Digital Speed Control
- 8280‑1089, Engine Control Module
- 9907‑014, 2301A Control Unit
- 8525‑971, Digital Governor Controller
- 8290‑040, EPG Control Module
- 8290‑184, EPG Speed Controller
- 8200‑1302, Digital Engine Controller
Precautions
- Implement proper cabinet shield grounding during installation. Shielded cables are recommended for speed‑sensor wiring to mitigate electromagnetic interference.
- Make sure actuator voltage rating matches output voltage of Woodward 8270‑1004 to prevent hardware burnout.
- Do not plug or unplug terminals under live status to avoid internal circuit damage.
- Do not set gain excessively high during field commissioning; otherwise speed oscillation will occur.
- Keep storage environment dry and free of dust and corrosive gas.
