WOODWARD 5466-257 | 24 AI / 8 AO MicroNet Spare Card

Description

• Model & Brand: WOODWARD 5466-257
• Product Family: MicroNet / MicroNet TMR
• Part Type: TMR High-Density Analog I/O Module
• I/O Configuration: 24 analog inputs / 8 analog outputs
• Analog Inputs: 24 × 0–5 V
• Analog Outputs: 8 × 4–20 mA
• Approx. Dimensions: 9 × 1 × 10 in. (about 229 × 25 × 254 mm) according to current technical listings.
• Estimated Net Weight: Approximately 0.7 kg, based on secondary-market data; verify the actual unit before freight booking.
• Estimated Shipping Weight: Approximately 1.0–1.3 kg, depending on ESD packaging, cushioning, and export carton.
• Operating Temperature: −20°C to +55°C.
• Humidity: Up to 95% RH, non-condensing.
• Indicators: Front-panel fault LED.
• Typical FTM: 5501-372
• Associated Cables: 5417-172 / 5417-173, depending on the installed MicroNet configuration.
• What’s in the Box: 5466-257 module unless separately specified; the 5501-372 FTM and 5417-series cables are separate system components and should not be assumed included.

Woodward’s 5009FT documentation explicitly identifies 5466-257 as the TMR High Density Analog I/O module and pairs it with 5501-372 field termination modules.

Product Introduction

The

WOODWARD 5466-257

Its documented 24-input / 8-output architecture handles continuous 0–5 V signals on the input side and 4–20 mA signals on the output side. Woodward’s 5009FT documentation places this card in the TMR chassis and identifies dedicated field-termination hardware and cables for the connection.

This is legacy control hardware, and that distinction matters for asset preservation. Woodward states that production of the older MicroNet High Density Analog modules ended in 2015, with newer SmartPlus-based products introduced as replacements for applicable systems. Compatibility depends on the exact MicroNet platform, application, GAP/Coder configuration, FTM wiring, and module function—not simply the connector shape.

Core Technical Specifications

The 24 × 0–5 V AI / 8 × 4–20 mA AO configuration is specifically documented for the 5466-257 TMR application. Woodward’s 5009FT manual also identifies it as an optional module and specifies its 5501-372 FTM connection.

Global Compliance & Industry Certifications

For a legacy MicroNet I/O module, certification claims should be tied to the complete Woodward control system and installation, not automatically assigned to the loose PCB.

• CE Mark: CE conformity may apply to the applicable MicroNet control-system assembly and market configuration. A standalone CE claim for the 5466-257 should be supported by the original product documentation.
• UL/cUL: No reliable evidence was identified for a standalone UL/cUL listing specifically covering the loose 5466-257. Record it as unverified unless the original certification file confirms otherwise.
• ATEX / IECEx: Do not classify the 5466-257 itself as an intrinsically safe device without an applicable certificate. Hazardous-area suitability depends on the complete control system, barriers/interfaces, cabinet, field wiring, and installation method.
• Marine / DNV: No reliable evidence was identified for an individual DNV approval for this specific module.
• EMC: The applicable MicroNet system documentation should be used to establish EMC conformity for the installed assembly.
• Functional Safety: TMR architecture provides hardware redundancy, but redundancy alone is not evidence of a specific SIL certification for the loose module.

For compliance audits, maintain the nameplate record, system certification, Declaration of Conformity, installation approval, and procurement traceability as separate documents.

Verify specific lot certifications with OEM.

Long-Term Storage & Asset Preservation Guide

Keep the 5466-257 inside an ESD shielding bag. This is a board-level electronic spare, and exposed connector contacts should never sit directly on a metal shelf or wooden packing surface. Use rigid cushioning so the connector and PCB cannot flex during warehouse handling.

Control humidity below 60% RH for long-term storage where practical. The published operational limit is up to 95% RH non-condensing, but that is not an ideal multi-year preservation target. Stable temperature and low moisture exposure reduce oxidation at connector contacts and help prevent contamination-related leakage paths.

Record the hardware revision and preservation date. This is particularly important for obsolete stock because a visually identical 5466-257 can remain on the shelf for years while the installed MicroNet application evolves. Do not alter configuration or perform invasive “maintenance” on a shelf spare unless the applicable Woodward procedure calls for it.

Physical Installation Prerequisites

The 5466-257 is intended for installation in a compatible MicroNet control chassis. It is not a standalone DIN-rail device. Woodward’s 5009FT documentation shows the card installed in designated MicroNet TMR chassis positions and connected through 5417-series cables to 5501-372 FTMs.

Rack clearance: Preserve the original chassis card guides, rear wiring path, airflow channels, and card spacing. Do not add an arbitrary 50 mm clearance requirement inside a chassis engineered for plug-in module operation.

Power and heat: The available public 5466-257 data does not provide a reliable standalone maximum power-dissipation figure. Calculate cabinet loading from the actual MicroNet chassis power budget rather than inventing a card-level wattage.

Grounding: Use the MicroNet chassis grounding and cable-shielding arrangement specified by Woodward. Do not use analog signal returns as substitute protective-earth conductors.

Field termination: Confirm the 5501-372 FTM and applicable 5417-172/5417-173 cable arrangement before installation. A mechanically compatible connector does not guarantee correct channel mapping.

Thermal environment: Keep the surrounding cabinet within the documented −20°C to +55°C operating range and below the specified humidity limit.

Buyer’s FAQ — Logistics & Compliance Focus

Q: What HS Tariff Code should I use for 5466-257?
A: A classification in HS heading 8538 may be considered because this is a module used with electrical control equipment, but the exact national tariff code depends on the import jurisdiction and customs interpretation. Do not copy a supplier’s code without validation. Provide the broker with the full description: Woodward MicroNet TMR High-Density Analog I/O Module, 24 × 0–5 V inputs / 8 × 4–20 mA outputs.

Q: What Country of Origin should appear on the invoice?
A: Use the actual manufacturing origin supported by the unit label or Woodward documentation. A seller’s warehouse location is not evidence of COO. Keep the commercial invoice, packing list, COO documentation, and serial/lot identification together for audit purposes.

Q: Should I insure an international shipment of one 5466-257?
A: Yes when the unit is scarce or downtime-critical. The card weighs only around 0.7 kg, yet the commercial replacement value and plant interruption exposure can be much higher than its freight cost. Use ESD packaging, rigid cushioning, shock protection, tracking, and cargo insurance based on the declared replacement value.

Q: Does a replacement 5466-257 include the latest firmware pre-loaded?
A: Do not make that assumption. Woodward describes the 5466-257 as a hardware I/O module, while the broader MicroNet system uses application software and configuration data. The 5466-257 was made obsolete as part of the transition to newer SmartPlus-based HDA hardware, so compatibility with the installed application and controller generation must be checked before release from inventory.