GS16GAS VALVE Woodward

GS16GAS VALVE Woodward Output Module

Product  Description：

A WOODWARD output module serves as the interface between the control logic of a primary controller (like a governor or turbine control unit) and the physical components it manages. These modules take digital or analog commands from the controller and transform them into various types of output signals – typically discrete (on/off) or analog (proportional) – to drive mechanical or electrical devices. They often incorporate features for diagnostics, fault detection, and fail-safe operation to ensure the integrity and safety of the controlled system.

Key Functions

• Discrete Outputs (Digital Outputs): Provide on/off signals to control devices like solenoids, contactors, alarms, or status indicators. They are typically solid-state or relay-based.

• Analog Outputs: Deliver continuous, proportional signals (e.g., 4-20 mA current, 0-10 V voltage) to precisely control actuators, variable speed drives, or other modulating devices. These are often used for fuel flow control, valve positioning, or speed trimming.

• PWM (Pulse Width Modulation) Outputs: Generate pulsed signals with varying duty cycles to control devices that respond to such signals, often used for precise valve or actuator positioning.

• Communication Outputs: While some communication is handled by dedicated communication modules, some output modules may offer basic serial or CAN bus outputs for specific integration purposes.

• Diagnostic Feedback: Many modules include internal diagnostics to monitor the health of the output channels, such as open-wire detection or short-circuit protection.

Product Parameters (Typical)

Parameters vary widely depending on the specific module type (e.g., discrete, analog, combination I/O).

• Output Channels: Number of independent output points (e.g., 8, 16, 24 discrete outputs; 3, 4, 8 analog outputs).

• Output Type:

  • Discrete: Sinking (NPN), Sourcing (PNP), Relay (Form C / SPDT).

  • Analog: Current (4-20 mA, 0-20 mA), Voltage (0-5 V, 0-10 V, 1-5 V, ±10 V).

  • PWM: Frequency range (e.g., 50-1000 Hz), maximum current.

• Voltage Rating:

  • Discrete: Output voltage range (e.g., 12/24 VDC, 120/230 VAC).

  • Analog: Output voltage range.

• Current Rating:

  • Discrete: Maximum continuous current per channel (e.g., 0.5 A, 2 A, 5 A).

  • Analog: Output current capability.

• Resolution (for Analog): Bit resolution (e.g., 12-bit, 14-bit) for precise control.

• Accuracy (for Analog): Percentage of full scale (e.g., 0.5%, 1%).

• Isolation: Channel-to-channel isolation, isolation from ground, common mode rejection ratio.

• Response Time: Time taken to react to a command.

• Power Consumption: Power drawn by the module.

• Operating Temperature: Environmental temperature range (e.g., -40°C to +70°C, -40°C to +85°C, or even up to +105°C for some engine-mounted versions).

• Mechanical Vibration & Shock: Ratings for industrial resilience (e.g., MIL-STD compliant).

• Mounting: Typically plugs into a chassis or backplane, or can be standalone/DIN rail mounted.

• Certifications: CE, UL, ATEX/IECEx (for hazardous locations), etc.

Product Advantages

• Precision Control: Especially with analog and PWM outputs, WOODWARD modules provide highly accurate and repeatable control over critical parameters like fuel flow, speed, and valve position.

• High Reliability: Engineered for continuous operation in demanding industrial environments, often featuring robust components and redundant designs (simplex, duplex, triplex options available for safety-critical applications).

• Seamless Integration: Designed to work cohesively within WOODWARD's complete control systems (e.g., MicroNet, Peak, 505 series), simplifying system design and commissioning.

• Robust Diagnostics: Many modules incorporate advanced self-diagnostics and channel diagnostics (e.g., open-wire, short-circuit detection) to facilitate troubleshooting and enhance system uptime.

• Flexibility and Scalability: A wide variety of output types and channel counts allows for tailored solutions, and modular designs enable easy system expansion or modification.

• Safety Features: Often include fail-safe output configurations, allowing outputs to default to a safe state upon power loss or fault detection.

Precautions

• ESD (Electrostatic Discharge) Protection: Always handle modules with proper ESD precautions. Static electricity can severely damage sensitive electronic components. Use grounding straps and work on anti-static surfaces.

• Compatibility: Verify the module's compatibility with the specific WOODWARD controller and system architecture (e.g., firmware versions, chassis type).

• Wiring Standards: Adhere strictly to WOODWARD's wiring diagrams and local electrical codes. Incorrect wiring can lead to module damage, system malfunction, or safety hazards.

• Power Supply: Ensure the system's power supply meets the module's specified voltage and current requirements, considering transient loads.

• Environmental Limits: Operate the module within its specified temperature, humidity, and vibration limits to ensure long-term reliability.

• Load Compatibility: Ensure the external devices connected to the outputs (e.g., solenoids, actuators) match the module's output current and voltage ratings. Overloading an output can cause damage.

• Grounding: Proper grounding of the control system and instrumentation is critical for noise reduction and safe operation.

• Firmware and Software: Use the correct configuration software and firmware versions provided by WOODWARD for the specific module to ensure proper functionality and performance.

Product Applications

WOODWARD output modules are fundamental to the control of rotating machinery and power generation systems across numerous industries.

• Power Generation:

  • Turbine Control: Precise control of steam, gas, or hydro turbine fuel valves, inlet guide vanes, and associated auxiliaries to regulate speed, load, and protect the turbine.

  • Generator Control: Actuating breakers, controlling excitation systems, and managing load sharing between multiple generators.

  • Engine Control: Controlling fuel injection, ignition, and air intake for diesel and gas engines in power plants, marine propulsion, and industrial drives.

• Oil and Gas:

  • Compressor Control: Managing anti-surge valves, recirculation loops, and driver speed for compressors in pipelines, refineries, and petrochemical plants.

  • Pump Control: Regulating pump speed and flow in various process applications.

• Industrial Automation:

  • Controlling complex industrial processes where precise and reliable actuation of valves, motors, and other equipment is critical.

  • Implementing safety shutdowns and interlocks.

• Marine Applications:

  • Engine and propulsion control for marine vessels.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

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

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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