WOODWARD 5453-203 MicroNet 2-Line Display Operator Interface
The Woodward 5453-203 is a specialized 2-Line Display Operator Interface Panel designed for use within the MicroNet and NetCon digital control platforms.
1 It serves as a compact Human-Machine Interface (HMI), providing operators with real-time system data, alphanumeric feedback, and manual control capabilities for gas and steam turbine control systems.2
Technical Parameter Table
| Parameter | Specification |
| Model Number | 5453-203 |
| Product Type | MicroNet 2-Line Display Operator Interface |
| Display Type | Alphanumeric VFD (Vacuum Fluorescent Display) |
| Input Voltage | 12 VDC (Nominal) |
| Current Draw | 650 mA @ 12 VDC |
| Communication Ports | RS-232, RS-422 |
| Connector Type | DB9 (Standard Serial) |
| Operating Temp | -40°C to +70°C (-40°F to +158°F) |
| Dimensions | 305mm (H) x 356mm (W) x 152mm (D) |
| Weight | Approximately 1.82 kg (4.0 lbs) |
Related Models
The 5453-203 typically functions alongside these MicroNet series components:
5466-1035: MicroNet TMR (Triple Modular Redundant) CPU Module.
5466-318: MicroNet TMR Kernel Power Supply Module.3
5466-316: Analog Combo Module (I/O).4
5464-823: Master CPU Module (used in older NetCon architectures).
Application Cases
Gas Turbine Control: Used as the primary on-skid interface for monitoring turbine RPM, exhaust temperatures, and fuel valve positions.
Steam Turbine Regulation: Facilitates operator interaction for start-up sequences and manual speed overrides.
Compressor Stations: Monitoring surge parameters and discharge pressures in oil and gas pipeline applications.
Power Plant Automation: Serving as a local diagnostic tool for MicroNet TMR systems in large-scale utility grids.
Product Advantages and Features
Ruggedized for Industrial Environments: Wide operating temperature range allows for installation in harsh turbine environments where standard screens would fail.
Triple Modular Redundancy (TMR) Support: Engineered to interface seamlessly with Woodward’s high-availability 2-out-of-3 voting architectures.
Clear Alphanumeric Feedback: The high-contrast display ensures that critical fault codes and system status messages are readable even in low-light conditions.
Compact Footprint: Ideal for panel mounting in tight spaces or on-engine control cabinets.
Longevity: Although categorized as a legacy component, it is widely supported in "Lifecycle" service programs for aging infrastructure.
Other Models in the Same Series
5453-276: Relay Discrete Input Module.5
5453-278: MicroNet 12-Slot Chassis.6
5453-759: MicroNet Plus 14-Slot Chassis.7
5453-204: Extended Display/Keypad variant (often found in similar architectures).
Important Support Note
The 5453-203 was part of a series (including 040/060 CPUs) that was formally moved to "Obsolescence" by
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