Woodward 5441-645 Relay Interface Module

The Woodward 5441-645 Relay Interface Module is an industrial-grade signal interface module specifically engineered for use in automation and control environments that require reliable relay-based signal switching. As part of Woodward’s robust line of control and interface solutions, the 5441-645 facilitates seamless connectivity between digital logic signals and external high-power devices such as alarms, contactors, motor starters, and valves.

This relay interface module ensures electrical isolation, signal amplification, and load-handling capability for systems where digital controller outputs must drive higher voltage or current loads. Built for rugged environments, the module offers long-lasting mechanical and electrical performance, crucial in industries like power generation, oil and gas, transportation, and process automation.

Product Specifications

Product Applications

The 5441-645 Relay Interface Module is tailored for industries and systems that demand electrical load switching via relays. Its versatility and rugged design make it suitable for:

• Power Plants – Actuating alarms, circuit breakers, and auxiliary systems.

• Gas and Steam Turbines – Providing relay interfaces for fuel valves and safety shutdowns.

• Process Automation Systems – Operating solenoids, actuators, and relays from digital controllers.

• Marine and Offshore Systems – Interfacing monitoring outputs with control devices.

• Data Centers and Utilities – Enabling isolation and logic signal interfacing for redundant controls.

• Oil & Gas Facilities – Switching field I/O signals safely in classified or remote zones.

Product Advantages

• Electrical Isolation: Safeguards low-voltage logic devices from high-power load circuits.

• High Load Capacity: Relays rated for 5A switching capability, suitable for most industrial actuators and alarms.

• LED Status Indicators: Visual diagnostics per channel improves fault identification and maintenance speed.

• Robust Construction: Industrial-grade design supports long-term reliability in demanding environments.

• Flexible Signal Compatibility: Works with standard 5V, 12V, and 24V digital logic signals.

• Compact and Scalable: Slim form factor with DIN rail mounting supports modular installations.

Frequently Asked Questions (FAQ)

1. Q: What is the main function of the 5441-645 Relay Interface Module?

   A: It serves as a bridge between low-level control signals and high-voltage actuated devices, using relays for isolation and amplification.

2. Q: How many relays are available in the module?

   A: The module has 8 independent SPDT relay outputs.

3. Q: Can it switch AC and DC loads?

   A: Yes, each relay is rated for both AC (250V) and DC (30V) switching, up to 5A.

4. Q: What kind of input signals does it accept?

   A: It is compatible with 5V, 12V, and 24V DC logic signals from PLCs or microcontrollers.

5. Q: Is it compatible with Woodward control systems?

   A: Yes, it is designed to integrate seamlessly with Woodward controllers and can also interface with third-party systems.

6. Q: Are there LED indicators for status checking?

   A: Yes, each relay channel has an LED for activation and power status monitoring.

7. Q: Can this module be mounted on a DIN rail?

   A: Yes, it supports both DIN rail and panel mounting configurations.

8. Q: Is it safe to use in high humidity environments?

   A: Yes, it supports up to 95% non-condensing humidity levels.

9. Q: Does it offer surge or overvoltage protection?

   A: While the relay circuit inherently offers some protection, external surge protection is recommended for critical applications.

10. Q: What certifications does this module carry?

    A: It is CE certified, UL recognized, and RoHS compliant.