Woodward 8273-140 Rev A 2301D Digital Load Sharing and Speed Control

Product Description

Configured for speed regulation and generator load sharing in the 2301D control system, the Woodward 8273-140 Rev A (8273-140 digital load sharing and speed control) provides direct electrical execution. The module processes magnetic pickup signals, regulates actuator control through digital algorithms, and exchanges configuration and diagnostic data through serial communication interfaces.

Suffix Breakdown & Model Matrix

The supplied documentation identifies a single catalog number, 8273-140 Rev A. No official suffix matrix or hardware option breakdown is specified in the available product documentation.

Hardware Specifications

Actuator Loop Feedback Response

The controller continuously evaluates engine speed using the magnetic pickup input and applies closed-loop actuator commands through its internal digital control algorithms. Speed correction is calculated from measured frequency input, allowing response to changing mechanical load while maintaining the selected operating mode. During parallel generator operation, the controller exchanges load-sharing information with companion units to maintain proportional generator loading.

Frequently Asked Questions

Q: Does the module support hot-swapping while energized?
A: The supplied documentation does not specify hot-swap capability. Installation or replacement should be performed with control power removed unless the system documentation explicitly permits energized replacement.

Q: Which communication interfaces are available for configuration and diagnostics?
A: The controller provides RS-232 and RS-422 serial communication ports for configuration, diagnostics, and system integration.

Q: What speed reference signal is accepted by the controller?
A: The speed input is designed for a magnetic pickup signal with an operating frequency range of 100 Hz to 25,000 Hz.

Field Installation Guidelines

• Verify that the incoming supply voltage remains within the specified 18 - 40 VDC operating range before energizing the controller.
• Route magnetic pickup wiring separately from high-current power conductors to reduce electrical interference.
• Terminate communication wiring according to the selected RS-232 or RS-422 interface requirements.
• Connect cable shields using the project's grounding practice to minimize induced noise while avoiding unintended ground loops.
• Confirm enclosure ventilation is sufficient to maintain the ambient temperature below 70 deg C during operation.
• Verify wiring polarity and terminal identification before applying power following maintenance or replacement.

Other Attributes

• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days
  

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