







Product Description
Woodward 5453-203 MicroNet TMR CPU Module
Product Overview
- The Woodward 5453-203 is a CPU Module designed for Woodward’s MicroNet Triple Modular Redundant (TMR) Control Systems. This module serves as the central processing unit for the MicroNet TMR platform, executing control algorithms, managing I/O communications, and ensuring fault-tolerant operation for critical industrial applications such as gas and steam turbines, compressors, and power generation systems. Its TMR architecture provides high reliability through triplicated processing with 2-out-of-3 voting, making it ideal for safety-critical environments. The 5453-203 is commonly used in industries like power generation, oil and gas, aerospace, and marine, known for its robust performance and integration with Woodward’s control ecosystem.
Technical Specifications
- The 5453-203 has the following specifications based on industry sources and Woodward documentation:
Specification | Details |
---|---|
Model/Part Number | 5453-203 |
Manufacturer | Woodward |
Description | CPU Module for MicroNet TMR Control Systems |
Series | MicroNet TMR |
Function | Executes control algorithms, manages I/O, and ensures fault-tolerant operation |
Processor | Triple redundant high-performance microprocessors (e.g., PowerPC-based) |
Memory | Flash: 8–16 MB (for firmware and application) RAM: 4–8 MB (for runtime data) |
Communication Interfaces | Ethernet, Modbus TCP/RTU, CANopen, RS-232, RS-485, Woodward proprietary protocols |
Redundancy | Triple Modular Redundant (TMR) with 2-out-of-3 voting for fault tolerance |
I/O Interface | Interfaces with MicroNet TMR I/O modules via internal high-speed bus |
Control Software | Woodward GAP (Graphical Application Programmer), MicroNet Toolkit, Control Assistant |
Diagnostics | Processor health monitoring, fault detection, discrepancy detection, event logging (up to 1000 events), status LEDs |
Compatibility | Woodward MicroNet TMR systems, I/O modules (e.g., 5441-695C), actuators, and third-party devices via standard protocols |
Power Supply | 18–32 VDC (24 VDC nominal, via MicroNet chassis backplane) |
Power Consumption | Approx. 20–30 W |
Environmental Specifications | Operating Temperature: -40°C to +70°C (-40°F to +158°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Relative Humidity: 5% to 95% non-condensing Vibration: MIL-STD-810 compliant Shock: MIL-STD-810 compliant |
Enclosure | IP20 (installed in MicroNet chassis, higher IP ratings with enclosures) |
Dimensions | Approx. 300 mm (H) x 50 mm (W) x 150 mm (D) |
Weight | Approx. 0.8–1.2 kg |
Mounting | Plugs into MicroNet TMR chassis |
Certifications | CE, UL, CSA, ATEX (for hazardous areas, configuration-dependent), marine certifications (e.g., DNV, ABS) |