The Woodward 5439-730 is a high-reliability Expansion Chassis Power Supply designed specifically for the Woodward NetCon control system platform. This power supply unit (PSU) serves as the dedicated energy source for expansion chassis units, ensuring stable, noise-free voltage for critical I/O modules and processor boards. Engineered for heavy-duty industrial environments, it provides the robust electrical conditioning required to maintain system uptime in power generation and complex process control applications.
Technical Specifications
-
Model Name: Woodward 5439-730 NetCon Power Supply
-
Input Voltage: Wide-range DC or AC input (as per system requirements)
-
Output Voltage: Standardized DC rails for NetCon modules
-
Dimensions: 250 mm (H) x 180 mm (W) x 120 mm (D)
-
Weight: 3.1 kg
-
Country of Origin: United States
Application Fields
This power supply is essential for large-scale turbine and engine management systems where additional I/O capacity is required via an expansion chassis. It is commonly found in power plants, oil and gas compressor stations, and marine propulsion control racks. Its primary function is to isolate the expansion chassis from local power fluctuations, ensuring that control logic remains uninterrupted during sudden load changes.
Instructions for Use
Installation involves sliding the 5439-730 into the designated power slot of the NetCon expansion chassis. Ensure the input power wiring is correctly terminated to the rear terminal blocks, adhering to the voltage specifications listed on the unit’s nameplate. Verify that the chassis backplane connectors are fully seated and that the grounding lug is securely connected to the cabinet’s main ground bus to prevent electromagnetic interference. Upon power-up, confirm that the status LEDs indicate “Voltage OK” and that no ground faults are detected. Periodic thermal imaging or inspections are recommended to ensure the unit is not operating under excessive heat due to dust accumulation on the cooling vents.
Frequently Asked Questions
What happens if the 5439-730 fails? If the power supply fails, the expansion chassis will lose power, resulting in a loss of communication with all I/O modules connected to it. This will typically trigger a system-wide “Hardware Fault” or “I/O Loss” alarm in the main control processor.
Is this unit redundant-capable? In many NetCon configurations, these power supplies are deployed in redundant pairs. If you are operating in a redundant setup, ensure the load-sharing cables are correctly installed between the primary and backup PSUs.
How do I clean the air intake? Use dry compressed air at a low pressure to blow out dust from the air vents. Never use liquid cleaners or solvents, as these can penetrate the housing and cause short circuits on the internal PCB.
Does this PSU have internal fuse protection? Yes, the unit is equipped with internal protection circuitry. If a fuse blows, the entire unit usually requires replacement as the internal components are potted or sealed for vibration resistance.
Recommended Similar Models
-
WOODWARD 5439-0158 Power Supply
-
WOODWARD 8444-1025 NetCon PSU
-
WOODWARD 5439-1144 Expansion Power Module
-
EMERSON Ovation Power Supply Module
-
SCHNEIDER ELECTRIC Modicon Power Supply Series
