Product Description
The WOODWARD 5466-1245 is a CPU5200 Enhanced Performance Module designed for the MicroNet Plus digital control platform. It serves as the main processing unit, executing the configured control application and coordinating system operation in compatible turbine, engine, and industrial control applications.
This module supports Simplex and Redundant MicroNet Plus configurations. It is designed for use with the corresponding MicroNet Plus hardware and engineering software environment. The 5466-1245 is identified in Woodward documentation as a Cyber-Ready Enhanced Performance CPU module. The exact application configuration, licensing, and cybersecurity requirements must be verified before installation.
The Rev E designation should be checked against the module nameplate and hardware revision markings. When replacing an existing CPU, confirm the installed application, software compatibility, chassis configuration, and associated RTN module.

Product Parameters
Brand: Woodward
Model: 5466-1245
Product Name: MicroNet Plus CPU5200 Enhanced Performance Module
Processor Family: CPU5200
Product Series: MicroNet Plus
Module Type: Central Processing Unit
System Configuration: Simplex / Redundant
Rack Position: Main chassis CPU position
Compatible Chassis: MicroNet Plus 8-slot or 14-slot VME chassis
Associated RTN Module: 5466-1246
Engineering Software: GAP Coder 6.00-4 or later
MicroNet Software: Version 1.0x or later, subject to application compatibility
Hardware Revision: Rev E, as specified in the supplied product title
Power Requirements: Confirm from the module label and system documentation
Operating Temperature: Confirm from the applicable hardware documentation
Dimensions: Confirm from the product drawing
Weight: Confirm by physical measurement
Country of Origin: Confirm from product label
Product Status: Non-preferred; Woodward lifecycle documentation lists the 5466-1245 as inactive in 2027
Replacement Considerations: Verify the approved CPU upgrade path and application compatibility before substitution
Main Functions
- Executes the configured MicroNet Plus control application.
- Processes control logic and coordinates system operation.
- Supports compatible Simplex and Redundant controller architectures.
- Communicates with supported MicroNet Plus modules through the system backplane.
- Provides the processing platform for turbine and industrial equipment control applications.
- Supports application engineering and configuration through compatible Woodward GAP software.
Installation and Commissioning
- Verify the complete part number, hardware revision, and condition of the CPU module.
- Confirm that the installed MicroNet Plus chassis supports the 5466-1245.
- Back up the existing control application, configuration files, and relevant system settings.
- Check the engineering software version and confirm compatibility with the installed application.
- Verify the associated RTN module, including 5466-1246 where required.
- Follow the approved shutdown and electrical isolation procedure before removing the existing CPU.
- Install the replacement module in the specified CPU slot and secure it correctly.
- Restore the approved system configuration and complete the manufacturer’s commissioning checks.
- Verify CPU status, communication, controller synchronization, and application execution.
- Confirm that all control functions operate correctly before returning the equipment to service.
Daily Maintenance
- Check CPU status indicators and system diagnostic messages.
- Monitor communication between the CPU, RTN, and I/O modules.
- Review controller alarms and event logs for abnormal conditions.
- Keep the control cabinet clean, dry, and within the specified environmental limits.
- Check module seating and rack connections during scheduled inspections.
- Maintain current backups of application software and configuration files.
- Record hardware revisions, firmware information, and maintenance activities.
Common Troubleshooting
CPU Not Starting:
Check the chassis power supply, module seating, rack connections, and CPU status indicators. Confirm that the installed hardware is compatible with the system configuration.
Communication Failure:
Inspect the backplane connections, RTN module, communication cabling, and network configuration. Check for diagnostic alarms indicating a communication fault.
Application Compatibility Error:
Verify the GAP Coder version, MicroNet software version, application configuration, and module revision. Do not assume that software designed for another CPU model can be loaded directly.
Redundant Controller Synchronization Failure:
Check the configuration of both CPUs, controller status, RTN hardware, and synchronization-related alarms. Confirm that both modules are approved for the intended redundant arrangement.
Intermittent System Fault:
Review event logs, cabinet temperature, power stability, connector condition, and hardware diagnostics. Replace the module only after confirming that the fault is not caused by another system component.
Important Compatibility Notes
The 5466-1245 is a specific CPU5200 variant, not a universal replacement for every MicroNet CPU.
Woodward lifecycle documentation identifies the 5466-1245 for MicroNet Plus applications using GAP Coder 6.00-4 or later and MicroNet software 1.0x or later. The corresponding RTN module is 5466-1246.
Woodward lists this model as non-preferred and provides an estimated inactive date of 2027. Non-preferred or inactive status does not automatically mean that an installed module has stopped functioning. Confirm current support and the approved replacement path with Woodward before planning a system upgrade.
Safety Precautions
- Only qualified personnel should install or replace the CPU module.
- Isolate power according to the equipment manufacturer’s procedure before handling hardware.
- Never remove or insert modules while energized unless the system documentation explicitly permits it.
- Do not modify safety-critical control logic without an approved engineering procedure.
- Verify controller operation and protective functions before restarting the equipment.
Frequently Asked Questions
Q1: What is the main function of the 5466-1245?
A: It is the CPU5200 Enhanced Performance processing module for the Woodward MicroNet Plus control platform.
Q2: Can it be used in a redundant control system?
A: It supports compatible Simplex and Redundant MicroNet Plus configurations. The complete CPU, RTN, chassis, and application arrangement must be verified.
Q3: Which RTN module is associated with this CPU?
A: Woodward documentation identifies the 5466-1246 RTN module for the 5466-1245 configuration.
Q4: Which engineering software should be checked?
A: Confirm GAP Coder 6.00-4 or later and the applicable MicroNet software version, along with the requirements of the installed application.
Q5: Can the 5466-1245 replace other MicroNet CPU models?
A: Not automatically. Replacement depends on the controller architecture, application, software, hardware revision, and approved conversion procedure.
15 Related Woodward Models
- 5466-1035 – MicroNet Plus CPU5200 Module
- 5466-1045 – MicroNet Plus CPU5200 Cybersecurity Module
- 5466-1047 – MicroNet TMR CPU5200 Module
- 5466-1141 – MicroNet Plus CPU5200SA Module
- 5466-1145 – MicroNet Plus CPU5200 Cybersecurity Module
- 5466-1146 – MicroNet Plus RTN Module
- 5466-1246 – MicroNet Plus RTN Enhanced Performance Module
- 5466-1247 – MicroNet TMR CPU5200 Shared RTN Module
- 5466-1250 – MicroNet TMR CPU5200 Direct Expansion Module
- 5466-1347 – MicroNet Shared RTN with CANopen
- 5466-1510 – MicroNet Plus P1020 CPU Module
- 5466-1520 – MicroNet Plus P1020 CPU for Cybersecurity Applications
- 5466-1002 – MicroNet Plus Power Supply Module
- 5466-1050 – MicroNet Simplex 48/24 HDDIO Smart-Plus Module
- 5466-1051 – MicroNet TMR 48/24 HDDIO Smart-Plus Module
These are related MicroNet platform components and CPU variants. They are not all direct substitutes for the 5466-1245.
