Woodward 5501-471 | NetCon 5000B SIO Module

Description

• Model & Brand: Woodward 5501-471
• Series: NetCon 5000 / NetCon 5000B
• Part Type: SIO Module / Serial Input-Output Module
• Model Type: 55357
• Core Interface: Serial communications and field-device interface
• Input Voltage: 24 VDC
• Serial Ports: Ports 1–2: RS-232; Ports 3–4: RS-232 / RS-422 / RS-485
• Protocols: Modbus RTU / Modbus ASCII
• Physical Dimensions: Approximately 1.0 × 10.0 × 9.0 in (2.5 × 25.4 × 22.9 cm), based on an independent inventory record
• Estimated Shipping Weight: Approximately 2.0 lb / 0.9 kg
• Front Indicators: Fault LED; Run LED
• What’s in the Box: 5501-471 SIO module; ESD protective packaging; mating cables, connectors, mounting hardware, and documentation only when expressly included on the PO
• Handling Class: ESD-sensitive electronic assembly; protect serial connectors and terminal interfaces from impact and contamination

Woodward identifies 5501-471 as the NetCon 5000B SIO Module. The part is classified as discontinued by current inventory references, while Woodward documentation identifies the module within the NetCon control architecture.

Product Introduction

Architecture Hook

The 5501-471 is installed as a Serial I/O module within the Woodward NetCon 5000 architecture, providing four serial communication interfaces for external devices. Ports 1 and 2 use RS-232, while Ports 3 and 4 support RS-232, RS-422, or RS-485. Modbus RTU and Modbus ASCII are among the documented software protocols, making the module useful for interfacing legacy field equipment and external control devices.

Physical identity matters here. The 5501-471 is not simply a generic serial converter; it is a dedicated NetCon 5000B SIO assembly with defined cabinet dimensions, power requirements, connector arrangements, and control-system dependencies. Current independent records classify it as discontinued by the manufacturer, making traceable surplus stock particularly relevant for maintaining legacy NetCon installations.

Core Technical Specifications

*Values marked with an asterisk originate from independent supplier records and should be verified against the serialized unit and applicable Woodward documentation before being used for customs, engineering, or acceptance purposes.

Woodward 5501-471

🚨 Global Compliance & Industry Certifications

• CE / EMC: Independent technical records identify CE EMC compliance for the 5501-471. Retain the applicable declaration or certificate with the asset record.
• UL: Available independent certification records list UL-related approval for this module. The exact certificate scope should be checked against the hardware revision.
• ATEX: Independent records identify ATEX certification for the 5501-471. This does not authorize unrestricted installation in any hazardous location; the complete certified assembly, enclosure, wiring, and installation conditions remain controlling.
• CSA: Certification records also identify CSA-related approval for the relevant NetCon hardware.
• ABS / DNV / LRS: Independent technical records associate ABS, DNV, and LRS approvals with this module family. Marine acceptance should be based on the certificate applicable to the exact hardware and vessel installation.
• EMC Environment: EMC compliance is particularly relevant because RS-232/RS-422/RS-485 interfaces can be affected by induced noise from nearby power electronics and rotating machinery.

A hazardous-location certification is meaningful only when the complete installation complies with the certification conditions. The module’s certificate cannot be separated from wiring, enclosure, grounding, and area classification requirements.

Verify specific lot certifications with OEM.

🚨 Long-Term Storage & Asset Preservation Guide

Keep 5501-471 inside an ESD shielding bag. The serial-interface circuitry and connector contacts should remain protected until installation. Do not allow bare PCBs to contact untreated shelving, packaging foam, or conductive surfaces.

Maintain warehouse humidity below 60% RH where practical. This is stricter than the module’s published operating environment and helps reduce oxidation of serial-port contacts and deterioration of exposed metal surfaces. Desiccant is useful for sealed multi-year storage, particularly in warehouses with seasonal humidity swings.

Preserve the port configuration record. Document which ports are wired as RS-232, RS-422, or RS-485 before removing an installed module. The hardware supports multiple physical serial standards, and losing that information can cause commissioning errors years after the spare entered inventory (store the wiring record with the serial number, not separately).

Inspect long-stored stock before energization. Look for connector oxidation, PCB contamination, damaged LEDs, cracked solder joints, and packaging degradation. Do not apply an arbitrary capacitor-reforming schedule unless an applicable Woodward maintenance instruction specifically requires it.

Physical Installation Prerequisites

Install the 5501-471 only in the compatible NetCon 5000 / NetCon 5000B control-system environment. The module is not a general-purpose DIN-rail serial converter.

The independently reported physical envelope is approximately 25.4 cm wide × 2.5 cm high × 22.9 cm deep. Confirm the actual chassis mounting geometry before cabinet modification because the quoted dimensions are supplier data rather than a verified Woodward mechanical drawing.

No reliable manufacturer-specific 50 mm vertical clearance requirement was established for the standalone 5501-471. Do not insert a generic clearance figure into an engineering drawing. Instead, preserve the NetCon chassis ventilation arrangement and provide practical access for serial connectors, cabling, module removal, and inspection.

Ground the NetCon cabinet according to the applicable Woodward installation documentation. RS-422 and RS-485 wiring should use the specified cable type, polarity, termination, and shield arrangement for the installed network.

Before replacing the module, document every serial port. RS-232, RS-422, and RS-485 are not interchangeable wiring standards, even where a connector appears mechanically similar.

Buyer’s FAQ — Logistics & Compliance Focus

Q1. What HS tariff code should be used for Woodward 5501-471?
One independent industrial-automation supplier reports tariff code 8538907080 for the 5501-471. That figure should be treated as a reference rather than an automatically correct global classification because national tariff extensions and customs interpretations differ. Have the broker validate the destination-country HS code using the technical description “NetCon 5000B industrial serial I/O module.”

Q2. What should be declared as the Country of Origin?
One independent listing reports United States as the country of manufacture. That information should not be generalized to every historical unit without documentary support. Obtain a COO declaration tied to the actual unit or shipment lot and retain it with the commercial invoice and packing list.

Q3. Does a small 0.9 kg module really need shipping insurance?
For a discontinued NetCon component, the answer is normally yes. Replacement exposure comes from procurement scarcity and potential control-system downtime rather than the physical mass of the module. Record the serial number, condition, declared value, package dimensions, and pre-shipment photographs before carrier handoff.

Q4. Does a New Original 5501-471 contain the latest firmware?
Do not assume so. The module is a legacy NetCon SIO assembly, and current inventory references identify it as discontinued. The relevant engineering check is the installed NetCon software/configuration and the serial-port configuration, rather than assuming that every unused inventory unit contains the newest software revision.

Q5. What should the receiving inspection verify before the part enters controlled spare inventory?
Record the complete 5501-471 identity, serial number, hardware revision, certification markings, physical condition, port configuration, and country-of-origin evidence. For a legacy communication module, require a controlled power-up and serial communication test before assigning the asset a “tested” status.