Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The 9907-164 is a turbine controller of Woodward 505 series digital governors for steam turbine control. The product has an input voltage of 24VDC, and outputs 0-10VDC or 4-20mA. It operates at a temperature range of -40°C to +85°C with a protection level of IP67. It supports RS-232, RS-485 and Modbus communications, and is equipped with 16 contact inputs (4 dedicated and 12 programmable) and 6 current inputs of 4-20mA, with an output of 0-10V DC to drive the actuator. It has functions such as speed/load control and critical speed avoidance, and can self-diagnose faults and provide safe shutdown, applicable to power generation, oil and gas, shipping and other fields.
Data Sheet
Woodward 9907-164.pdf
- Input Voltage: 24VDC (supports ±24V DC).
- Output Voltage: 0-10VDC or 0-5VDC.
- Output Current: 4-20mA or 2-20mA.
- Operating Temperature Range: -40°C to +85°C.
- Protection Level: IP67.
- Weight: Approximately 0.5kg.
- Communication Interfaces: Supports RS-232, RS-485, and Modbus protocols.
- Operating Humidity Range: 5% to 95% (non-condensing).
- Precise Control: Adopts digital microprocessor technology and high-precision algorithms to achieve precise control of rotational speed and load, and execute complex control logics such as critical speed avoidance and valve limit.
- Multiple Control Modes: Supports speed control, load control, synchronous control (isochronous mode), etc., manages start/stop processes, and optimizes energy efficiency for Woodward 9907-164.
- Fault Diagnosis: Equipped with self-diagnosis function, Woodward 9907-164 can monitor equipment operation status in real time, detect and alarm for faults like overspeed and overheating, and provide safe shutdown protection.
- Strong Communication Capability: Supports protocols like Modbus and CANbus, enabling Woodward 9907-164 to work in conjunction with DCS/PLC systems for remote monitoring and data collection.
- Flexible Configuration: With a menu-driven interface, Woodward 9907-164 is field-programmable and supports modular design, allowing replacement of functional modules to adapt to different turbine specifications.
- Inputs: 16 contact inputs (4 dedicated, 12 programmable) and 6 programmable current inputs (4-20mA).
- Outputs: Outputs 0-10V DC analog signals to drive actuators and valves, achieving electro-hydraulic signal conversion for the controller.
- Power Generation Industry: Used for rotational speed control of steam turbines and gas turbines in power generation units, ensuring stable operation of generators. Woodward 9907-164's precise control capabilities help maintain grid frequency stability and optimize power output.
- Oil & Gas Industry: Manages turbines in compressors, pumping stations, and other equipment to ensure continuous operation of production processes. The controller's ability to handle critical speed avoidance and load management makes it suitable for upstream, midstream, and downstream applications.
- Marine Industry: Applied to ship propulsion systems and industrial boiler control, Woodward 9907-164 maintains stable operation of marine power systems. Its rugged design (IP67 protection) and wide temperature tolerance (-40°C to +85°C) ensure reliability in harsh maritime environments.
Other Industries: Also used in industrial automation fields such as machine tool control, process control, and safety systems, as well as aviation engine control. The controller’s flexible configuration and communication capabilities (Modbus, CANbus) enable seamless integration with various systems.
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