Woodward 9907-167 505E Digital Governor

Product Introduction

The Woodward 9907-167 (505E) is a high-performance digital governor specifically designed for controlling single-valve steam turbines used in industrial, marine, and power generation applications. This model belongs to the Woodward 505E series, which is known for providing precise turbine speed and load control, rapid response, and robust system integration.

Equipped with a powerful microprocessor and built-in touchscreen HMI, the 505E simplifies system monitoring, parameter adjustment, and diagnostics. The 9907-167 is designed for ease of retrofit, supporting a wide range of input signals and control outputs, and is suitable for both mechanical and electrical trip systems. This model can operate in multiple control modes such as speed control, load control, and process control, depending on the user’s configuration.

The 505E is widely respected for its high reliability, field-proven software platform, and compliance with international safety standards. It is ideal for industrial users seeking a flexible and efficient steam turbine control system that enhances operational performance and minimizes downtime.

Product Specifications

Product Applications

The Woodward 9907-167 505E Digital Governor is engineered to meet the demanding control needs of single-valve steam turbines across various industries:

• Industrial Power Generation
  Provides stable steam turbine operation in small and medium-sized power plants.

• Cogeneration (CHP) Systems
  Maintains accurate turbine speed and load for combined heat and power applications.

• Petrochemical Facilities
  Controls steam turbines driving process compressors or pumps.

• Pulp and Paper Industry
  Used in process steam turbines to maintain load balance and process synchronization.

• Food & Beverage Plants
  Enables safe and efficient operation of process steam systems.

• Turbine Retrofits
  Ideal for replacing analog or relay-based control systems with a digital, more flexible platform.

Product Advantages

• Integrated Touchscreen Interface
  The built-in HMI allows intuitive configuration, monitoring, and fault diagnosis without external tools.

• Versatile Communication Options
  Easily integrates with DCS, PLC, or SCADA via Modbus or TCP/IP.

• Flexible Control Modes
  Supports multiple operational modes including speed, load, and process control.

• Rapid Response Time
  Fast control response ensures protection and efficiency during transients.

• Enhanced Diagnostics and Logging
  Built-in system health checks and event logs simplify troubleshooting and preventive maintenance.

• Wide Sensor Compatibility
  Works with magnetic pickups and active speed sensors across a wide frequency range.

• Robust Industrial Build
  Designed for harsh industrial environments with high vibration and temperature resistance.

Frequently Asked Questions (FAQ)

1. What type of turbine is the 9907-167 designed to control?
   It is specifically designed for single-valve steam turbines.

2. Does this governor include a touchscreen interface?
   Yes, it includes an integrated color touchscreen HMI for control and configuration.

3. What communication protocols are supported?
   RS-232, RS-485, Modbus RTU, and optional Modbus TCP/IP are supported.

4. Is the unit suitable for retrofitting older control systems?
   Yes, it’s commonly used to replace analog governors in turbine retrofit projects.

5. Can it perform in process control mode?
   Yes, it can operate in process control, isochronous, and load control modes.

6. Does it support electrical and mechanical trip systems?
   Yes, the 9907-167 supports both electrical and mechanical trip mechanisms.

7. What types of speed inputs are accepted?
   It supports magnetic pickups and active sensors from 0.5 to 25,000 Hz.

8. Is this governor compliant with international certifications?
   Yes, it is CE, UL, and CSA certified.

9. What is the operating temperature range?
   It functions effectively in environments ranging from -20°C to +70°C.

10. How many configurable relays are included?
    The unit offers up to 10 user-configurable relay outputs.

Recommended Related Models (Same Series or Similar Function)

Recommended Popular Woodward Models

Frequently Asked Questions (FAQ)

1. What type of turbine is the 9907-167 designed to control?
   It is specifically designed for single-valve steam turbines.

2. Does this governor include a touchscreen interface?
   Yes, it includes an integrated color touchscreen HMI for control and configuration.

3. What communication protocols are supported?
   RS-232, RS-485, Modbus RTU, and optional Modbus TCP/IP are supported.

4. Is the unit suitable for retrofitting older control systems?
   Yes, it’s commonly used to replace analog governors in turbine retrofit projects.

5. Can it perform in process control mode?
   Yes, it can operate in process control, isochronous, and load control modes.

6. Does it support electrical and mechanical trip systems?
   Yes, the 9907-167 supports both electrical and mechanical trip mechanisms.

7. What types of speed inputs are accepted?
   It supports magnetic pickups and active sensors from 0.5 to 25,000 Hz.

8. Is this governor compliant with international certifications?
   Yes, it is CE, UL, and CSA certified.

9. What is the operating temperature range?
   It functions effectively in environments ranging from -20°C to +70°C.

10. How many configurable relays are included?
    The unit offers up to 10 user-configurable relay outputs.

Recommended Related Models (Same Series or Similar Function)

Recommended Popular Woodward Models

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.