The Woodward 5501-471 (5501471) is an intelligent Serial Input/Output (SIO) module engineered for the NetCon control platform. Designed to facilitate supervisory communication and control within distributed automation networks, this module is a critical component for engine and turbine management systems. It features a robust architecture with a built-in 24-character LED display for real-time diagnostics and status monitoring. With its redundant 24 VDC power inputs and multi-protocol serial support, the 5501-471 ensures high availability and seamless data integration in demanding industrial environments such as power generation, marine propulsion, and oil and gas operations.
The following table outlines the comprehensive technical parameters for the 5501-471 (5501471):
| Parameter | Specification Details |
| Model Number | 5501-471 (5501471) |
| Module Type | NetCon SIO (Serial Input/Output) Module |
| Input Voltage | 24 VDC ±10% (Dual Redundant Support) |
| Ports 1 & 2 | Dedicated RS-232 Interfaces |
| Ports 3 & 4 | Software Configurable RS-232 / RS-422 / RS-485 |
| Software Protocols | Modbus RTU, Modbus ASCII |
| Local Display | 24-Character Alphanumeric LED Matrix |
| Processor | 32-bit High-Performance ARM Cortex |
| Digital I/O | 12 Inputs (24 VDC), 8 Relay Outputs (2 A) |
| Analog I/O | 4 Channels (4–20 mA, ±0.1% Accuracy) |
| Dimensions | 14 in. x 11 in. x 4 in. (355.6 x 279.4 x 101.6 mm) |
| Operating Temp | –40 °C to +85 °C |
| Certifications | UL 508, CE, ATEX/IECEx Zone 2 |
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