Woodward 5441-693 – MicroNet Discrete Digital I/O Module

1. Product Title

Woodward 5441-693 – MicroNet Discrete Digital I/O Module

2. Product Overview

The 5441-693 is a high-reliability discrete digital I/O module from Woodward , designed for integration within MicroNet and PLC-based industrial control systems. This module provides a critical interface between field devices and the control processor, enabling accurate acquisition of digital signals and precise control of output circuits.

The 5441-693 is engineered to handle high-speed, deterministic control tasks with robust electrical isolation and relay-based switching. It supports real-time monitoring and control of industrial processes, making it suitable for mission-critical environments such as turbine control and process automation. Its modular design allows seamless integration into existing control architectures, improving system flexibility and reliability.

3. Technical Specifications

• Brand: Woodward
• Model: 5441-693
• Warranty: One Year
• Condition: 100% New & Original

Detailed Specifications:

• Product Type: Discrete Digital I/O Module
• System Platform: Woodward MicroNet / PLC systems
• Input Channels: 24 optically isolated digital inputs
• Output Type: Relay-based outputs (13 relay circuits)
• Input Type: Optically isolated discrete inputs
• Update Time: ~5 ms
• Time Stamping: 1 ms resolution
• Contact Supply: 24 VDC isolated, up to 400 mA
• Communication:
  • Ethernet / TCP-IP
  • Modbus / OPC (system-dependent)
• Power Supply: 24 VDC (typical industrial standard)
• Operating Temperature: -40°C to +70°C
• Mounting: Chassis-mounted (card guide installation)
• Hot Swap Capability: Supported

4. Key Features & Benefits

• High-Density Digital I/O (24 Inputs + Relay Outputs):
  Enables efficient signal acquisition and control of multiple field devices within a single module, reducing hardware footprint.
• Relay-Based Output Switching:
  Provides reliable and electrically isolated control of actuators, valves, and switching circuits.
• Deterministic Real-Time Performance:
  Fast update rate (~5 ms) ensures predictable execution of control logic in time-critical applications.
• Optical Isolation for Signal Integrity:
  Prevents electrical interference and enhances system safety in harsh industrial environments.
• Hot-Swappable Design:
  Allows module replacement without shutting down the system, improving maintenance efficiency and uptime.

5. Application Scenarios

• Power Generation (Turbine Control Systems):
  Interfaces with digital signals such as trip contacts, limit switches, and interlocks in turbine control applications.
• Oil & Gas (Process Automation):
  Controls valves, relays, and safety interlocks in upstream and downstream operations.
• Industrial Automation (PLC/DCS Systems):
  Provides digital signal acquisition and control for manufacturing, material handling, and process plants.

6. Frequently Asked Questions (FAQ)

Q: What is the primary function of the 5441-693?
A: It acts as a discrete digital I/O module that collects input signals from field devices and controls outputs such as relays and actuators within industrial control systems.

Q: Is 5441-693 compatible with legacy systems?
A: Yes, it is designed for Woodward MicroNet and PLC-based architectures and supports integration with legacy systems that use standard digital I/O and communication protocols.