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Product Overview
The WOODWARD 5466-352 is a legacy NetCon CPU-040 central processing module used in Woodward NetCon and MicroNet control platforms. Woodward identifies this part specifically as a “NETCON CPU_040 W/O LL MEMORY,” distinguishing it from the 5466-351 CPU-040 version equipped with LL memory.
The module serves as the primary processor within the control architecture, handling application execution and communication between the CPU and associated control hardware. Technical documentation describes a 68030 microprocessor communicating through dual-ported RAM connected to the VME bus, with communication to network processors through another dual-port RAM interface.
Woodward discontinued the 040/060 CPU family because of component obsolescence. Its product-change notice states that these CPUs were used on NetCon/MicroNet platforms and that migration to newer CPUs can require application software, chassis, power-supply, and potentially I/O changes.
Technical Specifications — 5466-352
| Parameter | Value |
|---|---|
| Product Model | 5466-352 |
| Manufacturer | Woodward |
| Product Type | NetCon CPU-040 Module |
| CPU Architecture | 68030 Microprocessor |
| Memory Configuration | Without LL Memory |
| Bus Interface | VME Bus via Dual-Ported RAM |
| Network Communication | Up to four network communication processors |
| Service Interface | Service panel on applicable MicroNet systems |
| Mounting | NetCon / MicroNet chassis |
| Application | Industrial turbine and engine control |
| Operating Temperature | Refer to the applicable system manual |
| Dimensions | Verify against the installed chassis configuration |
| Weight | Approximately 0.8–0.9 kg; supplier data varies |
| Status Indication | Front-panel LED indicators |
| Lifecycle Status | Legacy / Obsolete |
WOODWARD 5466-352
Key Features and Benefits — 5466-352
- Central processing for legacy NetCon/MicroNet control platforms.
- 68030 processor architecture designed for the original control-system generation.
- VME-bus communication through dual-ported RAM.
- Communication support for network communication processors.
- Service-panel access for applicable stand-alone MicroNet configurations.
- Watchdog functionality can place the system into an IOLOCK state following CPU or I/O failure, de-energizing affected outputs.
- Suitable as an exact-match maintenance spare for compatible legacy installations.
For an operating turbine control system, this is not a part I would substitute casually. The CPU generation, application software, chassis, and I/O architecture need to match.
Related Models
5466-351: NetCon CPU-040 module with LL memory. It belongs to the same CPU family but has a different memory configuration.
5466-350: NetCon CPU-060 module, providing a different processor configuration within the legacy CPU family.
5466-353: NetCon main chassis transceiver used for communication within the legacy chassis architecture.
5466-354: NetCon remote chassis transceiver intended for remote chassis communication.
Installation and Maintenance — 5466-352
Before replacement, document the existing CPU revision, chassis position, application configuration, memory configuration, and communication connections. Follow the plant’s approved shutdown and electrical isolation procedure.
After installation, verify CPU initialization, application execution, chassis communication, I/O status, and diagnostic indicators. In systems where watchdog logic is active, confirm that the controller leaves the expected IOLOCK condition correctly and that downstream modules return to normal operation.
Because this is a discontinued CPU family, Woodward’s migration guidance should be reviewed before attempting a modernization project. Converting an older NetCon installation may require more than simply replacing the processor.
Product Warranty — 5466-352
Warranty depends on the supplier, product condition, and purchase agreement. For critical automation inventory, confirm serial-number traceability, hardware revision, test status, and warranty terms before procurement.
The WOODWARD 5466-352 remains relevant for plants maintaining legacy NetCon/MicroNet control systems. Personally, I would prioritize an exact hardware and configuration match over using a newer CPU as a direct substitute, unless a documented Woodward migration path has been approved.
