Woodward 5464-333 Module – 5464 Series

Technical Dossier

Product Details And Specifications

WOODWARD 5464 Series Technical Notes

The WOODWARD 5464 Series represents a core family of I/O and signal conditioning modules deployed within WOODWARD's MicroNet and NetCon distributed control architectures. These modules are installed across critical heavy-industry sectors including gas turbine power generation, combined-cycle plants, compressor stations, offshore platforms, and petrochemical refineries. The 5464 Series occupies a well-established position in the global installed base of turbine and engine control systems, with units in continuous service at facilities operated by major energy producers across North America, Europe, the Middle East, and Asia-Pacific. Due to the long operational lifecycles typical of turbine control infrastructure — often 15 to 25 years — demand for 5464 Series spare parts remains active well beyond the series' original production window.

The Evolution of 5464 Series Architecture

The 5464 Series was developed as part of WOODWARD's modular I/O expansion strategy for its MicroNet family of turbine and engine management controllers. Early iterations of the series focused on analog signal acquisition — thermocouple, RTD, and millivolt inputs — required for precise temperature monitoring in combustion and exhaust systems. As control system requirements evolved through the 1990s and 2000s, the 5464 platform expanded to include discrete I/O, communication interface modules, and specialty signal conditioners to support increasingly complex multi-shaft and combined-cycle configurations.

Compatibility within the 5464 Series is governed by backplane bus revision and firmware version. Modules from early production runs (pre-2000) may require firmware alignment when integrated with later MicroNet Plus or MicroNet TMR chassis. WOODWARD's transition toward the MicroNet 5009 and later the ProTech TPS platform introduced functional equivalents for several 5464 module types, but direct form-factor replacements are not always available, making original 5464 hardware the preferred solution for like-for-like maintenance replacements.

5464 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent confirmed members of the WOODWARD 5464 Series, organized by functional category. Each module is a discrete field-replaceable unit (FRU) designed for installation in WOODWARD MicroNet or compatible control chassis.

Thermocouple & Temperature Input Modules

• 5464-333: Thermocouple input module; multi-channel analog temperature acquisition for turbine exhaust and combustion monitoring.
• 5464-334: Thermocouple input module variant; extended channel configuration for high-density temperature measurement applications.
• 5464-335: RTD (Resistance Temperature Detector) input module; supports Pt100/Pt1000 sensors for bearing and lube oil temperature monitoring.
• 5464-336: Millivolt input module; low-level analog signal acquisition for thermocouple cold-junction compensation circuits.

Analog I/O Modules

• 5464-340: Analog input module; 4–20 mA and 0–10 V signal acquisition for process variable monitoring.
• 5464-341: Analog output module; 4–20 mA current loop output for actuator and valve positioner control.
• 5464-342: Analog I/O combination module; mixed input/output channels for compact control loop integration.
• 5464-343: High-resolution analog input module; 16-bit ADC for precision fuel flow and pressure measurement.

Discrete (Digital) I/O Modules

• 5464-350: Discrete input module; 24 VDC dry-contact and wet-contact digital signal acquisition for limit switches and permissives.
• 5464-351: Discrete output module; relay and transistor outputs for solenoid valve and alarm annunciator control.
• 5464-352: Discrete I/O combination module; mixed digital channels for compact interlock and sequencing logic.
• 5464-353: High-density discrete input module; expanded channel count for large-scale permissive and shutdown logic.

Communication & Interface Modules

• 5464-360: Serial communication module; RS-232/RS-485 interface for MODBUS RTU integration with plant DCS or SCADA systems.
• 5464-361: Ethernet communication module; TCP/IP interface for MicroNet controller integration with modern plant networks.
• 5464-362: Redundancy communication module; inter-chassis synchronization link for TMR (Triple Modular Redundancy) configurations.

Power Supply & Auxiliary Modules

• 5464-370: Backplane power supply module; regulated DC power distribution for 5464 Series I/O chassis.
• 5464-371: Auxiliary power conditioner; input voltage filtering and surge protection for field-side power rails.

Quality Control for the 5464 Series Range

The 5464 Series modules interface with MicroNet backplanes via a proprietary high-speed parallel bus. Quality verification for these modules requires functional testing under simulated backplane conditions, not bench-level continuity checks alone. DriveKNMS applies the following test protocol to all 5464 Series units processed through its facility:

• Backplane bus communication verification using WOODWARD-compatible chassis test fixtures.
• Channel-by-channel signal injection and output measurement for all analog I/O modules.
• Discrete I/O contact resistance and switching speed verification.
• Thermocouple and RTD input accuracy calibration against NIST-traceable reference standards.
• Communication module loopback testing for RS-232, RS-485, and Ethernet variants.
• Thermal cycling and burn-in for a minimum of 24 hours prior to shipment.
• Visual inspection of backplane connector pins, conformal coating integrity, and component condition.