Description
The Woodward 9907-147 is a microprocessor-based digital electronic governor module manufactured by Woodward, Inc. It is engineered for precise speed and load control of industrial prime movers, including steam turbines, gas turbines, and diesel or gas engines operating within power generation and industrial automation frameworks.
Technical Specifications
| Parameter | Value |
| Manufacturer | Woodward, Inc. |
| Product Type | Digital Electronic Governor / Turbine Controller Module |
| Part Number (MPN) | 9907-147 |
| Input Power | 24 VDC nominal operating voltage |
| Analog Output | 0 to 10 VDC control output variant |
| Current Rating | 4 A nominal loop/driver capacity |
| System Compatibility | Woodward digital control architectures, turbine/engine governing systems |
| Enclosure Protection | IP20 standard (intended for internal mounting within an enclosed control cabinet or panel rack) |
Supply Terms & Commercial Details
- Availability: Sourced through specialized industrial automation surplus, turbine control distributors, and legacy parts suppliers.
- Lead Time: In-stock hardware typically ships within 1 to 3 business days.
- Warranty: 12-month standard supplier replacement or repair warranty covering functional hardware defects.
- Condition: New Surplus, Factory Open Box, or Fully Tested Refurbished (verify specific packaging and test logs with your vendor prior to purchase).
- Pricing Note: Price subject to market conditions; contact us for a firm quote.
Engineering & Integration Guidance
When installing or replacing the 9907-147 module within a control panel or turbine governing skid, observe the following parameters:
- Power Supply Stability: Ensure the 24 VDC input power source is clean, regulated, and isolated from high-inductive switching spikes to prevent controller reboots or logic errors.
- Rack Power Safety: Completely de-energize the main system power distribution panel before inserting or extracting the module to prevent electrical arcing, backplane bus faults, or pin damage.
- Electrostatic Discharge (ESD) Handling: Use a grounded antistatic wrist strap and handle the module carefully by its faceplate and edges to prevent electrostatic breakdown of sensitive onboard components.
Frequently Asked Questions
What applications use the Woodward 9907-147?
This controller is deployed in industrial turbine and prime mover management packages requiring precise digital speed governing, stability control, and load regulation.
Can this module be hot-swapped?
No. Standard industrial control panel procedures require a complete system power-down of the rack bus before removing or installing internal control units.
How are configuration parameters managed on this unit?
Configuration, tuning variables, and calibration maps are typically managed via Woodward’s dedicated software toolsets and communication interfaces connected directly to the controller architecture.
