World Of Controls understands the criticality of your requirement and works towards reducing the lead time as much as possible.
5461-331 - Master CPU Module is available in stock which ships the same day.
5461-331 - Master CPU Module comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 5461-331
Manufacturer: Woodward
Series: NetCon / MicroNet Series
Product Type: Master Central Processing Unit (CPU) Module
Processor Architecture: High-Performance 32-Bit Microprocessor
Bus Interface: High-Speed System Backplane Link
Data Transmission Protocol: Synchronous Parallel / High-Speed Serial Bus
Memory Capacity: High-Speed Flash Memory & SRAM
Isolation Barrier: Optical & Galvanic Isolation
Dielectric Isolation Voltage: 500 VDC (Bus-to-Field / Slot-to-Slot)
Power Consumption: 12.0 W (Typical) / 15.0 W (Maximum)
Input Voltage Rail: +5 VDC (Supplied via VME Chassis Backplane)
Form Factor Frame Type: Single-Slot Chassis Plug-in Card
Mounting Type: Standard VME / Chassis Backplane Slot Mount
Front Panel Interface: Status LED Indicators (Power, Run, Service, CPU Fault)
Diagnostic Watchdog Timeout: Hardware Watchdog & Bus Supervision
Operating Temperature Limits: -40°C to +70°C (-40°F to +158°F)
Storage Temperature Range: -40°C to +85°C (-40°F to +158°F)
Relative Humidity Threshold: 5% to 95% (Non-condensing)
Conformal Coating: Standard Polyurethane / Acrylic PCB Coating
Vibration & Shock Standard: MIL-STD-810 & IEC 60068-2-6 Compliant
Repair Time: 3–7 Days
Availability: In Stock
Weight: Approximately 1.40 kg (3.08 lbs)
Country of Origin: United States
The 5461-331 is a Master CPU Module designed and manufactured by Woodward. Functioning as the primary processing node within NetCon and MicroNet digital control chassis, it executes complex real-time application software for gas turbine, steam turbine, and engine governing systems. By executing programmed control algorithms and managing real-time data flow across the system backplane, the 5461-331 ensures deterministic timing, rapid signal processing, and reliable system sequencing for industrial prime movers.
SYSTEM GOVERNING & REAL-TIME DATA PROCESSING:
The Master CPU Module incorporates a powerful industrial microprocessor designed to solve critical closed-loop governing logic, load-sharing algorithms, and valve-positioning routines without introducing control loop latency. Integrated high-frequency isolation barriers and optocouplers provide up to 500 VDC galvanic separation between the central processing architecture and external field I/O connections. This protective barrier shields core computing hardware from severe electromagnetic interference (EMI), ground potential differences, and electrical line noise across industrial plant environments.
CONTINUOUS DIAGNOSTICS & SYSTEM PROTECTION:
Built-in diagnostic routines continuously audit internal microprocessor execution, memory parity, backplane communication timing, and chassis power rails. Dedicated front-panel status LEDs provide immediate visual telemetry regarding power integrity, module run state, active service communications, and hardware fault alerts. In the event of an unrecoverable software exception, bus error, or power drop, the module's hardware watchdog circuit immediately releases system trip lines, allowing the control platform to safely transition connected field devices into pre-configured fail-safe states.
WHY BUY FROM WOC:
World of Controls specializes in the supply, repair, and lifecycle management of critical Woodward turbine control system components for legacy and active industrial applications worldwide. Every Woodward Master CPU Module undergoes a comprehensive testing process, including backplane communication stress testing, memory auditing, hardware diagnostics, and thermal performance testing on Woodward-compatible chassis test systems to ensure reliable operation in demanding environments. We maintain ready-to-ship inventory of unused and professionally rebuilt modules, providing customers with fast replacement solutions to reduce turbine downtime. Backed by expert repair and exchange services, warranty support, global shipping capabilities, and extensive experience with Woodward NetCon and MicroNet control platforms, we deliver dependable solutions for critical turbine control system maintenance and modernization requirements.
What is Woodward 5461-331?
The Woodward 5461-331 is a Master CPU Module used in Woodward NetCon and MicroNet control systems. It acts as the core computing unit, executing real-time governor code, system sequencing, and high-speed data transfer between input/output modules across the chassis backplane.
How does a Master CPU Module work in an industrial control system?
The Master CPU Module acts as the central brain of the control architecture. It reads real-time status data from field input cards (such as speed, temperature, and pressure sensors), processes control algorithms in programmed rate groups, and outputs execution commands to actuator drivers and output modules to regulate turbine operation.
What is the difference between a Master CPU module and an I/O module?
A Master CPU module executes the system firmware, manages real-time task scheduling, and solves overall control application logic. An I/O module (such as a discrete input or analog output card) functions specifically to interface, isolate, and convert physical field signals into digital data streams for the CPU to process.
Where can I buy a Woodward 5461-331 Master CPU Module?
The Woodward Master CPU Module can be purchased from industrial automation spare parts suppliers specializing in Woodward turbine control systems. World of Controls supplies unused and rebuilt Woodward 5461-331 modules with complete testing, warranty support, and repair or exchange options for critical applications.
