Woodward 9905-377 I/O Module

Description

Woodward 9905-377 I/O Module

Product Dimensions：

Woodward I/O (Input/Output) modules are industrial-grade components designed to interface between a central control system (like the MicroNet or 505 series) and various field devices (sensors, actuators, valves). They are renowned for their high reliability in demanding environments such as power plants and marine vessels.

1. Product Detailed Description

Woodward I/O modules act as the “nervous system” of a turbine control or power management system. They convert physical signals from the field—such as temperature, pressure, or rotation speed—into digital data that the controller can process. Conversely, they convert control commands into electrical signals to drive industrial equipment.

Most modern Woodward I/O modules are distributed, meaning they can be placed near the equipment using protocols like CANopen or Ethernet, reducing wiring complexity and costs.

2. Key Product Parameters

While specific parameters vary by model (e.g., LinkNet HT, MicroNet, or RTC series), common specifications include:

3. Product Advantages

• Ruggedized Design: Built to withstand high vibrations, extreme temperatures, and electromagnetic interference (EMI) typical of engine rooms.

• High Precision: Offers superior resolution for sensing turbine speed and valve positioning, ensuring optimal fuel efficiency.

• Hot-Swappable: Many modules allow for replacement while the system is running, minimizing downtime.

• Diagnostic Capability: Built-in self-tests can detect open circuits, short circuits, or internal hardware failures immediately.

• Scalability: You can easily add more modules to the network as the complexity of the operation grows.

4. Important Considerations (Precautions)

• Firmware Compatibility: Ensure the module firmware version is compatible with your main controller’s software (e.g., GAP or Woodward SOS).

• Shielding & Grounding: Improper grounding of analog signal cables can lead to signal noise, causing erratic turbine behavior.

• Power Supply Stability: I/O modules are sensitive to voltage drops. Use regulated power supplies as recommended in the manual.

• ESD Protection: Always use anti-static wrist straps when handling modules to prevent damaging sensitive CMOS components.

5. Typical Product Applications

Woodward I/O modules are primarily found in sectors requiring high-precision control:

• Steam & Gas Turbines: Monitoring blade temperature and controlling fuel valves.

• Reciprocating Engines: Managing ignition timing and exhaust gas temperatures.

• Hydroelectric Power: Controlling wicket gate positioning and monitoring water flow.

• Marine Propulsion: Interfacing bridge controls with engine room actuators.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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