⚙️ Product Description
The Woodward 5466-409 is a MicroNet Pentium CPU processor module designed for industrial turbine control and automation applications. It belongs to the Woodward MicroNet Digital Control series and provides the central processing capability required to execute control applications and coordinate system operations.
The module features a 233 MHz Pentium processor with 64 MB RAM and Windows NT 4.0 operating software. It is designed for simplex MicroNet configurations and supports Ethernet and dual RS-232 serial communication.
The 5466-409 is installed in the expansion rack of a compatible MicroNet chassis and requires the appropriate Main Transceiver (XCVR) and Remote XCVR arrangement.
Typical applications include steam turbine control, gas turbine governing, generator control, and industrial process automation. It is particularly suitable for maintenance and replacement projects involving existing Woodward MicroNet installations.
📋 Product Datasheet & Parameters
Brand: Woodward
Model: 5466-409
Series: MicroNet Digital Control
Product Name: Pentium CPU Processor Module
Module Type: Industrial Controller CPU
Processor: Intel Pentium
Processor Speed: 233 MHz
Memory: 64 MB RAM
Operating System: Windows NT 4.0
Communication Interfaces: 1 Ethernet port and 2 RS-232 serial ports
System Configuration: Simplex
Installation: MicroNet expansion chassis
Service Tool: AppManager
Operating Temperature: 0–50°C
Standards: CE EMC, DNV, LRS
Power Requirements: Supplied through compatible MicroNet chassis; verify system specifications
Dimensions: Not confirmed; check actual hardware revision
Weight: Approximately 1.45 kg (3.2 lbs)
Place of Manufacture: Woodward manufacturing facility
Country of Origin: Verify individual product nameplate
Product Condition: New / Brand New (as specified by seller)
Product Status: Inactive
Discontinued: Yes, according to Woodward product documentation
🏭 Main Product Features
⚡ Pentium Processing: 233 MHz processor for industrial control and real-time application execution.
💾 Memory Capacity: 64 MB RAM for compatible MicroNet control applications.
🖥️ Operating System: Windows NT 4.0 software platform.
🔌 Communication: Ethernet and dual RS-232 serial interfaces.
🎛️ Simplex Architecture: Designed for simplex MicroNet controller configurations.
🔧 System Integration: Compatible with the appropriate MicroNet expansion rack and transceiver architecture.
🏗️ Industrial Applications: Suitable for turbine governing, generator control, and industrial automation.
🔩 Daily Maintenance and Care
- Inspect the CPU module for dust, moisture, corrosion, and physical damage.
- Check module seating and chassis connections regularly.
- Monitor processor status indicators and controller diagnostic messages.
- Verify that the chassis power supply operates within the specified limits.
- Maintain cabinet temperature between 0°C and 50°C.
- Inspect Ethernet and RS-232 communication cables for loose connections.
- Back up control applications and system configuration files.
- Check the Main Transceiver and Remote XCVR connections.
- Review application startup records and system fault logs.
- Document software revisions, maintenance activities, and replacement history.
🔍 Troubleshooting and Common Problems
⚠️ CPU Module Does Not Start
Check chassis power, module seating, transceiver connections, and hardware compatibility.
⚠️ Operating System Startup Failure
Inspect the installed Windows NT 4.0 environment, system storage, boot configuration, and application files.
⚠️ Application Loading Failure
Check application compatibility, AppManager configuration, system files, and software revisions.
⚠️ Ethernet Communication Failure
Inspect the Ethernet cable, RJ45 connection, network configuration, and connected engineering workstation.
⚠️ RS-232 Communication Failure
Check serial cables, connector pins, communication settings, and external equipment.
⚠️ Controller Overtemperature
Check cabinet ventilation, ambient temperature, cooling conditions, and dust accumulation.
⚠️ CPU or Memory Errors
Review system diagnostics, application loading records, and hardware condition.
⚠️ Replacement Module Not Recognized
Verify the exact part number, hardware revision, expansion rack configuration, transceiver arrangement, and software compatibility.
🛡️ Safety Precautions
- Installation must be performed by qualified industrial automation technicians.
- Follow the manufacturer’s shutdown and power-isolation procedures before removing the module.
- Observe ESD precautions when handling electronic circuit boards.
- Never remove or insert the module unless the system supports the intended replacement procedure.
- Verify the Simplex architecture and chassis compatibility before installation.
- Back up the control application and configuration before replacement.
- Confirm the Main Transceiver and Remote XCVR arrangement.
- Do not modify turbine governing or overspeed protection parameters without authorization.
- Perform diagnostic and functional tests before returning the equipment to service.
- Follow Woodward installation and maintenance documentation.
❓ Frequently Asked Questions
Q1: What is the Woodward 5466-409?
A: It is a MicroNet Pentium CPU module used in Woodward industrial digital control systems.
Q2: What is the processor speed?
A: The module uses a 233 MHz Pentium processor.
Q3: How much RAM does it have?
A: It has 64 MB RAM.
Q4: Which operating system does it use?
A: Windows NT 4.0.
Q5: Does it support redundant operation?
A: No. The 5466-409 is designed for simplex system configurations.
Q6: What communication interfaces are available?
A: It supports one Ethernet port and two RS-232 serial ports.
Q7: Is the 5466-409 discontinued?
A: Yes. Woodward documentation identifies this part as inactive. Existing stock may still be available for legacy system maintenance.
Q8: Can it replace the 5466-419?
A: They are not direct interchangeable replacements. The 5466-419 has a different memory capacity and system software configuration. Compatibility must be checked carefully.
🔧 Recommended Woodward Models
- 5466-407 – Pentium 233 MHz CPU Module Without Operating System
- 5466-411 – MicroNet Ethernet RJ45 Module
- 5466-416 – MicroNet Pentium CPU with Dual Ethernet Option
- 5466-419 – NetCon Pentium CPU Module, 128 MB RAM
- 5466-350 – NetCon CPU Module
- 5466-351 – NetCon CPU Module with LL Memory
- 5466-352 – NetCon CPU Module Without LL Memory
- 5466-353 – NetCon Main Chassis Transceiver
- 5466-354 – NetCon Remote Chassis Transceiver
- 5466-355 – NetCon Remote Chassis Transceiver
- 5466-400 – Isolated 4–20 mA Analog Input Module
- 5466-404 – Digital Speed Sensor Module
- 5466-405 – Digital Speed Sensor Module
- 5466-425 – High-Density Analog I/O TMR Module
- 5466-1000 – MicroNet Plus Power Supply Module
Woodward MicroNet products are used in turbine governing, generator control, power generation, marine propulsion, and industrial automation systems. The 5466-409 is an important maintenance spare for compatible legacy MicroNet simplex installations.
