WOODWARD 9907-167 Control Module Product Information

Model: 9907-167
Brand: WOODWARD
Product Type: Digital Governor Control Module
Series: 505E Digital Governor
Application: Steam turbine speed control, load control, extraction/admission pressure control systems

Note: WOODWARD 9907-167 is a 505E Digital Governor Controller, not a general-purpose PLC control module. It is designed for steam turbine control applications requiring precise speed, load, and valve regulation.

Technical Specifications

• Product Type: Digital Turbine Governor Controller
• Series: 505E
• Model: 9907-167
• Control Technology: Microprocessor-based digital control
• Application: Steam turbines with controlled extraction and/or admission pressure control
• Power Supply:
  • 18…32 V DC (Low Voltage DC version)
• Control Functions:
  • Speed control
  • Load control
  • Extraction pressure control
  • Admission pressure control
  • Valve position control
• Speed Inputs:
  • Magnetic pickup / speed sensor inputs
• Analog Inputs:
  • Programmable 4–20 mA inputs
• Discrete Inputs:
  • Digital contact inputs for control and protection signals
• Outputs:
  • Actuator control outputs
  • Relay outputs
  • Programmable analog outputs
• Communication Interfaces:
  • RS-232
  • RS-422 / RS-485 (depending on configuration)
  • Modbus communication support
• Operator Interface:
  • Built-in LED display
  • 30-key keypad
• Mounting: Panel mounting
• Operating Environment:
  • Industrial control room applications
  • Optional NEMA 4X enclosure available

Advantages & Features

High-Precision Digital Control

Uses advanced digital control algorithms to provide accurate turbine speed and load regulation.

Flexible Turbine Application

Supports steam turbine applications with extraction and/or admission pressure control, improving system adaptability.

Integrated Operator Interface

Built-in display and keypad allow convenient parameter configuration, monitoring, and troubleshooting.

Reliable Protection Functions

Provides turbine operating protection functions including overspeed monitoring, alarm handling, and shutdown logic.

Strong Communication Capability

Supports connection with plant control systems for centralized monitoring and automation.

Industrial-Grade Reliability

Designed for continuous operation in power generation and process industries.

Applications

• Steam turbine control systems
• Turbine generator units
• Power generation plants
• Industrial cogeneration systems
• Oil & gas facilities
• Petrochemical plants
• Compressor drive turbines
• Mechanical drive applications
• Process energy systems

Precautions

• Confirm turbine model and actuator compatibility before installation.
• Verify DC power supply voltage (18…32 V DC).
• Configure turbine parameters correctly before operation.
• Check speed sensor and actuator wiring carefully.
• Ensure proper grounding and shielding.
• Keep the controller away from excessive moisture, dust, and corrosive gases.
• Backup configuration parameters before replacing the module.
• Commissioning should be performed by trained technicians.