Woodward 5466-258 | Simplex 48/24 Discrete I/O Module

Description

• 1. • Model & Brand: Woodward 5466-258
     • Series: MicroNet Digital Control
     • Part Type: Simplex 48/24 High-Density Discrete I/O Module
     • I/O Configuration: 48 discrete inputs / 24 discrete outputs
     • Input Isolation: Optically isolated discrete inputs
     • Physical Dimensions: Exact standalone W × H × D not reliably established in the available manufacturer material; verify the actual unit before cabinet planning
     • Estimated Shipping Weight: Approximately 0.8–1.0 kg for the standalone module; one third-party listing reports 22 kg only when installed in a chassis, so that figure is not appropriate for standalone freight planning
     • Operating Temperature: 0–55°C
     • Power/Input Range: 18–32 VDC
     • Front Indication: Red Fault LED
     • Field Interface: Two high-density connectors with compatible Field Termination Module arrangements
     • What’s in the Box: 5466-258 module and ESD protective packaging; FTM, cables, mounting hardware, and manuals only when specifically listed on the PO
     • Handling Class: ESD-sensitive industrial electronic assembly; protect connector contacts and card guides during handling

     Woodward Product Change Notification 06920 confirms that 5466-258 was a MicroNet HDD module and became obsolete when the HDDIO family replaced it in 2010. The same notice establishes the replacement path by CPU and Coder version.

     Product Introduction

     Architecture Hook

     The Woodward 5466-258 mounts inside compatible MicroNet or Vertex-Pro chassis and connects to field termination hardware through two high-density interfaces. Its Simplex HDD architecture provides 48 discrete inputs and 24 discrete outputs, with optically isolated inputs and multiple FTM arrangements available for cabinet wiring. The front panel contains a red Fault indicator, while the card itself handles the high-density field signal interface within the MicroNet control system.

     For lifecycle management, this is a textbook legacy-spare item. Woodward states that the 5466-258 was replaced in 2010 by HDDIO modules with the same functionality, while existing MicroNet Field Termination Modules remain compatible with the newer HDDIO hardware. The actual successor depends on the CPU family and Coder version, so the complete control-platform record—not just the base I/O part number—belongs in the asset file.

     Core Technical Specifications

     Parameter	Value
     Manufacturer	Woodward
     Part Number	5466-258
     Product Family	MicroNet Digital Control
     Module Type	Simplex High-Density Discrete I/O
     Discrete Inputs	48
     Discrete Outputs	24
     Input Isolation	Optically isolated
     External/Input Voltage	18–32 VDC
     Power Supply Input	18–32 VDC
     Front Fault Indicator	1 red Fault LED
     Field Termination	Compatible 48/24 discrete FTM configurations
     High-Density Interfaces	2
     Chassis Application	MicroNet / Vertex-Pro
     Operating Temperature	0–55°C
     Pollution Degree	2
     Installation Overvoltage Category	II
     Lifecycle Status	Obsolete; inactivated 2010
     Replacement Family	HDDIO, configuration-dependent
     Standalone Weight	Not reliably established by OEM documentation
     Standalone Dimensions	Not reliably established by OEM documentation

     Independent technical references identify the 5466-258 as a Simplex 48/24 discrete I/O module, with 18–32 VDC input and 0–55°C operating temperature. Woodward’s official PCN confirms the 2010 obsolescence and successor architecture.

     

     Woodward 5466-258

     🚨 Global Compliance & Industry Certifications

     • CE / EMC: Independent technical records identify CE EMC compliance for the 5466-258. For an audit, retain the certificate or declaration applicable to the exact hardware revision rather than relying on a generic catalog claim.
     • UL: Independent records identify UL listing for the module. Certificate scope and marking should be checked on the actual hardware and installation documentation.
     • ATEX: Independent technical records identify ATEX approval. This does not mean the bare module is suitable for arbitrary hazardous-area installation; the enclosure, wiring method, zone/classification, and complete certified assembly still govern.
     • Class I, Division 2: Independent records identify suitability for defined Class I, Division 2 conditions. This is relevant where flammable gases or vapors may be present under specified abnormal conditions, but installation controls remain mandatory.
     • DNV / ABS / LRS: Independent records list DNV, ABS, and LRS among the approvals associated with this hardware. Verify the certificate number and scope before using these claims for marine compliance.
     • Pollution Degree 2 / Overvoltage Category II: These environmental and installation classifications are reported in independent technical records and should be interpreted within the complete Woodward cabinet design.

     Verify specific lot certifications with OEM. Certification marks on a used or surplus card should be photographed during receiving inspection, with the evidence retained in the serialized asset record.

     🚨 Long-Term Storage & Asset Preservation Guide

     Keep the module in its original ESD shielding bag whenever possible. The high-density connectors are the most obvious physical risk, but repeated handling can also contaminate card contacts or create electrostatic stress on the I/O circuitry. Use ESD-safe shelving and avoid stacking unprotected boards face-to-face.

     Control humidity below 60% RH for long-term warehouse storage. The published operating environment permits up to 95% non-condensing humidity at the system level, but a narrower warehouse target reduces oxidation and moisture-related contact problems. Avoid roof-level storage, condensation cycles, and cabinets exposed to washdown mist.

     Preserve the complete identity chain. Keep the 5466-258 part number, serial number, revision, FTM configuration, CPU platform, and Coder version together. Woodward’s replacement notice makes clear that successor selection depends on CPU and Coder version, so losing that metadata can turn a usable spare into an engineering question years later.

     Do not impose a generic capacitor-reforming schedule unless the actual Woodward maintenance documentation calls for it. Store the unit properly, inspect it before energization, and use controlled bench testing as the acceptance gate.

     Physical Installation Prerequisites

     Install the 5466-258 only in a compatible MicroNet or Vertex-Pro chassis with the correct backplane and field-termination architecture. The module is associated with two high-density connections and defined 48/24 FTM configurations.

     The available documentation does not establish a trustworthy universal 50 mm top-and-bottom clearance for the standalone module. Do not insert an arbitrary clearance value into the cabinet drawing. Instead, preserve the chassis manufacturer’s ventilation and service-access arrangement, allowing enough room for connector engagement, cable bend radius, card removal, and inspection.

     Check the retaining hardware and card guides before insertion. Never force a module into the slot; high-density connector damage can disable numerous I/O points simultaneously.

     Ground the MicroNet chassis according to the applicable Woodward installation documentation. Route discrete I/O cables away from high-energy switching conductors where practical, particularly for long field runs.

     Before removing a failed card, identify the exact FTM arrangement and label the two cable connections. This is a small step, but it prevents channel mapping errors during reassembly.

     Buyer’s FAQ — Logistics & Compliance Focus

     Q1. What HS tariff code should be used for Woodward 5466-258?
     Do not assign the final HS code from the part number alone. Classification depends on the importing country’s tariff schedule and customs interpretation of this dedicated industrial I/O module. A practical customs description is “Woodward MicroNet Simplex 48-input/24-output industrial discrete I/O module”; the customs broker should validate the actual tariff heading for the destination country.

     Q2. Does the Woodward name establish the Country of Origin?
     No. Brand and manufacturing origin are separate compliance facts. One independent listing reports USA origin, but that statement should not be generalized to every historical unit or revision. Obtain a COO declaration tied to the actual shipment or serialized unit and retain it with the commercial invoice.

     Q3. Should I insure a shipment even though the module is relatively small?
     Yes, when the module supports a production-critical MicroNet system. The financial exposure is related to replacement difficulty and downtime, not merely physical weight. Record serial number, condition, packaging photographs, declared value, net weight, gross weight, and package dimensions before carrier handoff.

     Q4. Does a New Original 5466-258 include the latest firmware pre-loaded?
     Do not assume so. The 5466-258 is an obsolete HDD module, and Woodward’s official replacement notice moved the product family to newer HDDIO hardware beginning in 2010. For 5200/P1020 systems, Woodward specifies 5466-1050 for Coder 5.04 or later and 5466-1158 for applicable Coder 4 systems; older 040 or Pentium NT systems require a different assessment.

     Q5. What lifecycle action should an asset manager take now?
     Treat 5466-258 as Obsolete / Inactivated in 2010. Do not build a long-term replenishment strategy around new production. For 5200/P1020 systems, identify the installed Coder version and evaluate the appropriate HDDIO successor while maintaining at least one tested legacy spare where an immediate migration is not practical.