Turbine & Engine Governor Solution — WOODWARD 9905-028 | Digital Controller Series
Where This Product Is Used
The WOODWARD 9905-028 Digital Controller is a precision governor module engineered for demanding industrial environments. Typical deployment sites include:
- Gas & Steam Turbine Power Plants — speed and load governing for single- and multi-shaft turbines
- Oil & Gas Compression Stations — engine speed control on reciprocating compressor drivers
- Marine Propulsion Systems — diesel and gas engine governor applications requiring fast dynamic response
- Industrial Co-generation (CHP) Plants — synchronization and load-sharing between generator sets
- Pump & Blower Drives — variable-speed process control in petrochemical and water treatment facilities
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 9905-028 |
| Manufacturer | WOODWARD |
| Product Series | WOODWARD Digital Controller Series |
| Product Type | Digital Governor / Digital Controller |
| Form Factor | Panel-mount / Rack-mount module |
| Weight | 1,860 g (approx.) |
| Application | Turbine speed control, engine governing, load sharing |
| Communication | Refer to WOODWARD OEM documentation for I/O and protocol details |
| Condition | New / Surplus New / Tested Refurbished (specify on inquiry) |
For full electrical ratings, I/O count, and firmware version details, contact our technical team or refer to the official WOODWARD 9905-028 datasheet.
Why Engineers Specify This Model
- Proven Field Reliability — WOODWARD governors have decades of installed base in power generation and oil & gas; the 9905-028 continues that legacy with digital precision.
- Fast Dynamic Response — digital PID architecture delivers tight speed regulation even under rapid load transients.
- Drop-in Replacement Compatibility — designed to integrate with existing WOODWARD actuator and sensor wiring harnesses, minimizing retrofit engineering hours.
- Configurable Control Logic — parameter-based tuning allows site engineers to adapt the controller to specific prime mover characteristics without custom firmware.
- Reduced Downtime Risk — stocking a spare 9905-028 eliminates extended lead-time exposure during unplanned outages.
Complete System Bill of Materials
The 9905-028 typically operates as part of a broader WOODWARD control architecture. Common companion components include:
- WOODWARD Actuators (EG, TM, or ProAct series) — fuel/valve positioning
- Magnetic Pick-up Speed Sensors — MPU input for speed signal
- WOODWARD Load Sharing & Speed Control Modules — parallel generator applications
- WOODWARD HMI / Operator Panels — local display and parameter access
- 24 VDC Power Supply Module — regulated control power
- Terminal Blocks & Shielded Signal Cables — noise-immune field wiring
Contact [email protected] for a complete BOM quotation for your application.
Compliance & Industry Standards
- Manufactured under WOODWARD’s ISO 9001-certified quality management system
- Suitable for applications requiring IEC 61511 functional safety compliance — consult SIL documentation
- CE marking applicability — verify with WOODWARD product documentation for your regional requirements
- RoHS compliance status — confirm with WOODWARD for specific production date codes
Quality Assurance & Sourcing
At Konmask.com, every WOODWARD 9905-028 unit goes through a documented sourcing and inspection process:
- ✔ Sourced from authorized distributors, OEM surplus, or verified industrial estates
- ✔ Visual and functional pre-shipment inspection
- ✔ Original packaging preserved where available; repackaged with anti-static protection where required
- ✔ Traceability documentation provided on request (batch records, test reports)
- ✔ 90-day warranty on tested refurbished units; new/surplus units carry manufacturer warranty terms
How to Source This Part
- Add to Cart — place your order directly on this page for in-stock units.
- Request a Quote — email [email protected] with your required quantity, delivery timeline, and condition preference (new / surplus / refurbished).
- Expedited Sourcing — if not currently in stock, our procurement team can locate and qualify a unit within 3–7 business days for most regions.
- Phone / WhatsApp — call or message +0086 19859288691 for urgent requirements.
Application-Specific FAQ
Q: Is the WOODWARD 9905-028 compatible with my existing actuator wiring?
A: In most cases, yes — the 9905-028 interfaces with standard WOODWARD actuator signal levels. Share your wiring diagram with our team for a compatibility confirmation before ordering.
Q: Can this controller handle parallel generator load sharing?
A: The 9905-028 supports load-sharing configurations when used with appropriate WOODWARD load-sharing modules. Contact us to discuss your specific paralleling scheme.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. Sourced units typically arrive in 5–10 business days. Expedited options are available.
Q: Do you provide a test report or certificate of conformance?
A: Yes — test reports and CoC documents are available for refurbished units. New/surplus units can be supplied with original manufacturer documentation where available.
Q: Can I return the unit if it does not fit my application?
A: We offer a 30-day return policy for unused units in original condition. Tested refurbished units carry a 90-day warranty with advance replacement options.
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Contact: [email protected] | +0086 19859288691
