Description
The Woodward 9907-162 is a microprocessor-based 505 Digital Governor turbine control module manufactured by Woodward, Inc. It is engineered for reliable, standalone management of industrial steam and gas turbines, providing precise control over speed, load, pressure, or flow parameters in power generation and mechanical drive applications.
Technical Specifications
| Parameter | Value |
| Manufacturer | Woodward, Inc. |
| Product Series | 505 Digital Governor / Turbine Control Platform |
| Part Number (MPN) | 9907-162 |
| Input Power Supply | 180 to 264 VAC (or low-voltage DC options depending on specific sub-variant configuration) |
| Keypad & Display | 30-key multi-function keypad with a 2-line by 24-character vacuum fluorescent/LED display |
| Analog Inputs / Outputs | 8 isolated analog inputs; 6 analog outputs |
| Digital Inputs / Outputs | 16 discrete digital inputs; 8 relay digital outputs |
| Communication Ports | RS-232, RS-422, and RS-485 serial ports supporting Modbus and proprietary protocols |
| Operating Temperature | -20 to +60 °C (-4 to +140 °F) |
| Enclosure Protection | NEMA Type 4X / IP56 (designed for panel-door or weatherproof local mounting) |
| Dimensions | 11 in × 14 in × 4 in (279 mm × 356 mm × 102 mm) |
| Approximate Weight | 9.11 lbs (4.13 kg) |
Supply Terms & Commercial Details
- Availability: Sourced through specialized industrial automation surplus, turbine parts distributors, and authorized legacy hardware providers.
- 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 configuration logs and calibration certificates 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 servicing the 9907-162 505 controller within a turbine control panel door, observe the following parameters:
- Panel Mounting and Sealing: Ensure the gasket is properly seated against the cutout to maintain the NEMA 4X / IP56 panel seal against moisture and dust ingress in harsh industrial environments.
- Signal Shielding: Terminate shielded twisted-pair cables for speed sensors (MPUs) and 4–20 mA analog loops directly to the cabinet ground bus to minimize electromagnetic interference (EMI).
- Power Quality: Verify that incoming supply voltage matches the unit’s rated specification (180–264 VAC) to prevent internal power supply trips or unexpected controller resets.
Frequently Asked Questions
What system applications use the Woodward 9907-162?
The 9907-162 is deployed globally to govern single-valve or multi-valve steam turbines, gas expansion turbines, and industrial compressor/pump drives requiring precise speed, load, or process loop control.
Can the 505 controller communicate with a plant DCS or SCADA system?
Yes. It features onboard serial communication ports (RS-232/422/485) supporting standard protocols like Modbus, allowing seamless integration into supervisory control and data acquisition networks.
How are configuration and tuning handled?
Parameters can be configured locally via the front-panel 30-key multi-function keypad and display menu, or remotely using Woodward’s dedicated software toolsets (such as 505View).
