Woodward 5464-643 24VDC High-Density Discrete Input Card

Product Overview

The 5464-643 (Model: 5464-643) is a high-density discrete input module engineered for integration within Woodward MicroNet™ and NetCon™ control systems. This module provides 48 independent channels for acquiring digital signals from field devices, including dry contact switches, relay auxiliary contacts, and limit sensors. Designed for high-performance turbine control and power generation applications, the 5464-643 (Part Number: 5464-643) ensures deterministic data acquisition across the system's VME bus.

To maintain signal integrity in electrically noisy industrial environments, the 5464-643 (Order Number: 5464-643) utilizes individual optical isolation for every channel. This architecture prevents transient voltages and ground loops from damaging the sensitive internal logic of the CPU. The module is built for continuous operation in mission-critical infrastructure, providing the high-speed state detection required for modern sequence-of-events (SOE) recording and real-time control logic execution.

Detailed Technical Specifications

The 5464-643 is a rack-mounted VME-based module optimized for high-speed digital feedback.

• Manufacturer: Woodward Inc.

• Model Number: 5464-643

• Series: MicroNet™ / NetCon™ Control Systems

• Module Type: High-Density Discrete Input (DI)

• Number of Channels: 48 Independent Channels

• Input Configuration: Supports Dry Contact or Voltage-based (Sourcing/Sinking)

• Signal Voltage Range: 18–32 VDC (Nominal 24 VDC)

• Isolation: Optical isolation per channel (field-to-logic and channel-to-channel groupings)

• System Interface: VME Bus standard for CPU communication

• Data Refresh Rate: Real-time state updates to the MicroNet controller

• Operating Temperature: –40°C to +70°C

• Storage Temperature: –40°C to +85°C

• Humidity: 5% to 95% RH, non-condensing

• Vibration/Shock: Meets standard industrial turbine-room specifications

• Certifications: UL, CE, and Woodward Internal Quality Standards