PRODUCT INFORMATION
Product Overview
The Woodward 9907-164 is a 505 series Digital Governor Control designed for steam turbine operation. This microprocessor-based unit manages steam turbines using single or split-range actuators. It operates from an input voltage supply of +24 Vdc at 1 A. The front panel features a 30-key multi-function keypad for operator access. It also includes dedicated overspeed test buttons for system testing.
Communication is supported across RS-232 and RS-422 serial lines using the standard Modbus protocol. Configuration and monitoring interface with 505View or OpView software environments. The unit features an enclosure rated to IEC 60529 IP56 standards. It withstands operating temperatures between –4 and +140 degrees Fahrenheit. The total net weight of the assembly is 9.11 lbs.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Input Voltage | +24 Vdc at 1 A |
|---|
| Enclosure Rating | IEC 60529, IP56 |
|---|
| Operator Interface | 30 Multi-function Keypad |
|---|
| Serial Interface | RS-232 / RS-422 |
|---|
| Communication Protocol | Modbus |
|---|
| Compatible Software | 505View, OpView™ |
|---|
| Operating Temperature | –4 to +140 °F (-20 to +60 °C) |
|---|
| Storage Temperature | -40 to +185 °F (-40 to +85 °C) |
|---|
| Humidity Standards | 20 and 55 °C at 95% RH for 48 hrs |
|---|
| Hardware Weight | 9.11 lbs |
|---|
| Dedicated Hardware Buttons | Overspeed Test Buttons |
|---|
TECHNICAL INFORMATION
Features
- Microprocessor-based control architecture engineered for steam turbines.
- Compatible with single or split-range actuator configurations.
- Dedicated front-panel overspeed test buttons facilitate routine testing.
- Integrated 30-key multi-function keypad provides local operator control.
- Serial communication ports support RS-232 and RS-422 Modbus protocols.
- Housed in an IEC 60529 IP56 ingress protection enclosure.
TECHNICAL INFORMATION
Applications
- Steam turbine speed control with single actuators.
- Steam turbine governing with split-range actuators.
- Turbomachinery automation requiring Modbus serial integration.
TECHNICAL INFORMATION
Connections / Interfaces
- RS-232 serial communication interface supporting Modbus protocol.
- RS-422 serial communication interface supporting Modbus protocol.
- Input power terminal rated for +24 Vdc at 1 A.
TECHNICAL INFORMATION
Configuration Guidelines
- Configure governing parameters via the integrated 30-key multi-function keypad.
- Interface with 505View or OpView software for digital monitoring and setup.
- Verify communication baud rate and addressing when establishing Modbus links.
TECHNICAL INFORMATION
Compliance and Certifications
- IEC 60529 IP56 enclosure rating.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What is the primary function of the Woodward 9907-164?
The unit provides digital governing and speed control for steam turbines using single or split-range actuators.
What power supply does the Woodward 9907-164 require?
The controller requires an input voltage of +24 Vdc at an operating current of 1 A.
Which software packages support the 9907-164 controller?
Configuration and remote monitoring are supported by Woodward 505View and OpView software programs.
What serial communication options are integrated on the 9907-164?
The unit provides serial RS-232 and RS-422 communication ports operating with the Modbus protocol.
