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5437-078 - NetCon Main Chassis Assembly is available in stock which ships the same day.
5437-078 - NetCon Main Chassis Assembly comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 5437-078
Manufacturer: Woodward
Series: NetCon 5000 / MicroNet Legacy
Product Type: Main Chassis Assembly / Backplane Rack
Slot Configuration: Multi-Slot VMEbus Architecture (Power Supply, CPU, and I/O Slots)
Backplane Type: High-Density Multi-Layer VME Communications & Power Bus
Input Power Bus Distribution: Dual Power Supply Rail Bus Connectors
Cooling Requirement: Integrated Forced-Air Fan Tray / Convection Airway Compatible
Mounting Configuration: Standard 19-Inch Industrial Rack Mount / Panel Mount Enclosure
Connectors (Per Slot): Dual 96-Pin Type C DIN 41612 Backplane Receptacles
Structural Frame Material: Heavy-Gauge Aluminum Alloy with Zinc-Plated Corrosion Resistance
Vibration Resistance: Tested per Lloyd's ENV2 / MIL-STD-810C Industrial Standards
Operating Temperature Limits: 0°C to +55°C (+32°F to +131°F)
Storage Temperature Range: -40°C to +85°C (-40°F to +185°F)
Relative Humidity Threshold: 5% to 95% (Non-condensing)
Repair Time: 3–7 Days
Availability: In Stock
Weight: Approximately 8.50 kg (18.74 lbs)
Country of Origin: United States
The 5437-078 is a NetCon Main Chassis Assembly designed and manufactured by Woodward for legacy NetCon 5000 digital control systems. Serving as the primary structural and electrical foundation for governor logic and turbine management, this chassis houses the system's central processing units, power conversion modules, and high-density I/O cards within a single 19-inch rack-mountable frame. The internal multi-layer backplane delivers high-speed data transmission and regulated power routing across all system card slots, providing the low-latency communications required for real-time turbine control and emergency shutdown logic.
BACKPLANE ARCHITECTURE & POWER DISTRIBUTION:
The multi-layer backplane of the chassis links each card slot through dual 96-pin DIN 41612 connectors. It features isolated power distribution buses that route conditioned system voltages directly from the chassis power supply slots to processing and transceiver cards, preventing cross-card voltage ripples and signal interference.
RUGGED DESIGN & ENHANCED SYSTEM AVAILABILITY
The Chassis features a rigid aluminum enclosure that shields internal electronics against electromagnetic interference (EMI) and mechanical vibration. Card-guide tracks and locking mechanisms hold installed modules firmly in place during operation. The chassis design supports dual redundant power supply arrangements, ensuring uninterrupted system operation if an individual power line or supply module experiences a fault.
WHY BUY FROM WOC
World of Controls specializes in critical parts lifecycle extension for legacy Woodward turbine control architectures. Every 5437-078 main chassis undergoes extensive multi-slot VMEbus line continuity checks, pin integrity inspections, high-voltage ground bond testing, and full multi-module functional verification on active NetCon test rigs. We maintain active inventory stocks to keep your critical turbomachinery operational, supported by comprehensive warranties and expedited worldwide shipping.
What is Woodward 5437-078?
The 5437-078 is a NetCon Main Chassis Assembly manufactured by Woodward. It forms the physical frame and electrical backplane structure for Woodward NetCon 5000 control systems, housing power supplies, central processing units, and field I/O modules.
How does the backplane in the chassis handle power distribution?
The chassis backplane features dedicated, high-amperage power traces that connect directly to the power supply slots. Regulated low-voltage DC lines (such as 5 VDC, ±15 VDC, and 24 VDC) are distributed to all installed I/O and processor modules with minimal voltage drop.
Can the chassis support redundant power supplies?
Yes. The chassis frame is designed with dedicated power supply slots connected in parallel on the backplane, allowing primary and backup power modules to run concurrently for maximum operational reliability.
What should be checked on-site if multiple modules in a 5437-078 rack lose communication simultaneously?
First, verify that input power feeds to the chassis power supply slots and that the output voltage LEDs are lit green. If power is normal, isolate the rack by checking the backplane connectors for bent pins or debris in the affected slots. A localized backplane trace open-circuit or bus-grant jumper error can also interrupt communication downstream.
