The Woodward 5441-693 Discrete I/O Module is a high-reliability input/output interface designed to handle binary (on/off) signal transactions within critical control systems. This module is part of the MicroNet™ and NetCon™ family of I/O components and is used extensively in turbine, engine, and process automation systems where digital signal monitoring and control are essential.

With rugged design standards, the 5441-693 enables safe and deterministic signal acquisition and output control, ensuring accurate state detection for alarms, interlocks, permissives, and command execution. It integrates directly with Woodward’s automation platforms and offers isolated input/output channels for optimal safety and performance in industrial applications.

Technical Specifications

Product Applications

The 5441-693 Discrete I/O Module serves as a backbone component in digital signal management across various industries:

• Power Generation

  For turbine start/stop sequencing, permissives, and safety interlocks.

• Oil & Gas Automation

  Handles valve open/close signals, emergency shutdowns, and alarm annunciation.

• Marine Propulsion Systems

  Controls motor relays, bilge alarms, navigation lighting, and remote override circuits.

• Process Manufacturing

  Provides digital signal interface for motor control centers, pump control, and logic execution.

• Mining and Metals

  Supports conveyor controls, hoist operation status, and equipment safety signals.

• Utility and Substation Systems

  Digital input/output for breaker status, transformer protection relays, and SCADA alarms.

Product Advantages

• Flexible Channel Configuration

  Supports bidirectional setup—channels can be used as inputs or outputs as needed.

• Industrial-Grade Isolation

  Protects internal logic from voltage surges and electrical noise.

• Field Proven Compatibility

  Seamless integration with Woodward’s NetCon™ and MicroNet™ controllers.

• Maintenance-Friendly

  Field-removable terminal blocks allow rapid replacement without disturbing wiring.

• High-Speed Response

  Reliable state transitions for real-time system reaction.

• Robust Construction

  Operates reliably in harsh temperature and humidity conditions typical of industrial environments.

Frequently Asked Questions (FAQ)

1. What does the 5441-693 Discrete I/O Module primarily do?

   It processes digital input and output signals (on/off states) for industrial control systems.

2. How many discrete signals can it handle?

   Up to 16 channels, which can be configured individually as inputs or outputs.

3. Is this module hot-swappable?

   No, the control system should be powered down before installation or replacement.

4. Can this module be used in safety-critical systems?

   Yes, it is frequently used for safety interlocks, ESD systems, and fault monitoring.

5. What voltage levels are supported for input signals?

   It supports nominal 24V DC inputs, with an acceptable range between 18–32V DC.

6. Are the I/O channels isolated from each other?

   Yes, optical and galvanic isolation is built in for each channel.

7. What type of wiring is required?

   Standard copper wires (18–24 AWG) with screw-terminal connectors are recommended.

8. Is configuration done via hardware DIP switches or software?

   Channel configurations are generally done via the controller’s software interface.

9. Is the module resistant to humidity and vibration?

   Yes, it is designed to function reliably in harsh environments with high humidity and vibration.

10. Can this module interface with third-party PLCs?

    While optimized for Woodward systems, it can be used with other platforms using compatible digital signal standards.