


Introduction
The Woodward 5501-469 PLC CPU Module is a high-reliability controller designed for industrial automation and engine/generator control applications. It serves as the central processing unit in a PLC system, executing control logic, monitoring inputs, and coordinating outputs to field devices. Built for demanding environments, this module offers fast, deterministic processing, robust diagnostics, and seamless integration with peripheral I/O modules, enabling precise control over critical industrial processes.
Technical Specifications
(Dimensions and weight are estimated for planning and cabinet layout purposes.)
| Parameter | Specification / Estimate |
|---|---|
| Module Type | PLC CPU Module |
| Model Number | 5501-469 |
| Manufacturer | Woodward |
| Primary Function | Central processing and control for PLC-based industrial systems |
| Processing Type | Embedded CPU for executing logic, monitoring I/O, and managing control loops |
| Supported Interfaces | Digital I/O, Analog I/O, Communication with peripheral modules |
| Memory | Internal program and data storage for control routines |
| Diagnostics | Built-in self-test, fault reporting, and status monitoring |
| Operating Environment | Industrial-grade; resistant to temperature variations, vibration, and electrical noise |
| Mounting | Rack or panel mount within PLC or control cabinet |
| Dimensions (H × W × D) | 185 × 125 × 40 mm |
| Weight | ≈ 0.7 kg |
| Construction | Multi-layer PCB with rugged connectors and conformal coating for industrial use |
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