Woodward 8273-465

The Woodward 8273-465 is an industrial control module launched by Woodward. It is mainly used for speed and load control of engines, gas turbines, and other high-speed rotating machinery. This model belongs to Woodward’s Load-Sharing / Governor series. It features high-precision speed closed-loop control and multi-point load distribution functions, enabling synchronous adjustment among multiple devices to improve the overall efficiency and reliability of the system.

Main Specifications

• Power Supply Voltage: 24 V DC (12 V DC optional)
• Output Signal: 0-10 V DC, 4-20 mA, PWM (configurable)
• Communication Interface: RS-232, RS-422, Modbus RTU, CANopen, Ethernet (TCP/IP)
• Operating Temperature Range: -40 °C ~ +85 °C (meeting industrial-grade protection standards)
• Dimensions: Approximately 120 mm × 80 mm × 30 mm (compact modular design)
• Weight: Approximately 0.6 kg (lightweight for easy installation)
• Accuracy: Speed control error ≤ ±0.25% (full scale)
• Response Time: < 10 ms (fast closed-loop)

Product Features

• High-Precision Closed-Loop Control: Adopts an advanced digital signal processing chip to achieve precise adjustment of speed and load.
• Multi-Protocol Compatibility: Supports multiple fieldbuses, facilitating seamless integration with upper-level systems (DCS, PLC, SCADA).
• Modular Structure: Uses plug-in terminal blocks and detachable I/O cards for quick maintenance and replacement.
• Self-Diagnosis and Fault Alarm: Built-in diagnostic function that can real-time monitor internal status and report fault codes through the communication port.
• Wide Temperature Adaptability: Complies with IP56 protection rating, suitable for harsh industrial environments.

Structure and Composition

• Main Control Unit: Digital processor and memory, responsible for algorithm execution and parameter storage.
• Power Module: Internal DC-DC converter, providing regulated power supply.
• I/O Interface Board: Analog input/output, digital I/O, and communication ports.
• Heat Dissipation Device: Aluminum alloy heat sink and fan (optional), ensuring thermal stability during long-term operation.
• Mounting Bracket: Standard DIN rail or panel mounting accessories.

Typical Application Fields

• Speed/load control of gas turbines and steam turbines in power plants
• Synchronous speed regulation of marine main engines and auxiliary engines
• Load distribution of petrochemical compressors and pump stations
• Aero-engine ground test systems
• Other industrial scenarios requiring precise speed regulation of high-speed rotating machinery

Installation and Maintenance Points

Installation

• Fix using DIN rail or panel, ensure the module is placed horizontally. Follow the polarity marks when connecting power and signal lines.

Wiring

• Use shielded cables for connecting analog/digital I/O. Communication cables (RS-485, CAN) should maintain the minimum bending radius to avoid electromagnetic interference.

Parameter Configuration

• Perform on-site parameter setting through the configuration software provided by Woodward (such as ControlStation) and save to the internal EEPROM of the module.

Commissioning

• Conduct a self-test after first power-on to confirm all I/O are normal. Then perform closed-loop commissioning to verify speed response and load distribution accuracy.

Daily Maintenance

• Regularly check if the heat sink and fan are dusty, and clean the air vents. Perform firmware upgrade every 6 months to obtain the latest control algorithms and security patches.

Fault Handling

• The module’s self-diagnosis will generate fault codes. Refer to the fault table in the technical manual for troubleshooting. If necessary, replace the I/O card or the entire unit for on-site maintenance.

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If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

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Triconex  丨   Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward

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