Introduction
The Woodward 5441‑691 Relay Field Terminal Module is a rugged industrial interface designed to serve as a reliable field I/O relay connection point for control systems. Engineered for process and automation environments where mechanical switching and clear signal delineation are required, this module provides industrial‑grade relay outputs with robust electrical isolation and field‑ready wiring convenience. Its dependable performance and structured terminal layout make it an ideal choice for system integrators, control panel designers, and maintenance teams seeking simple, reliable field interfacing with safety and control logic.
Built for harsh operating conditions and continuous duty, the 5441‑691 provides both flexibility and durability for real‑world automation applications. Its layout and construction simplify field wiring while maintaining electrical separation between control panels and distributed field devices.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 5441‑691 |
| Module Type | Relay Field Terminal Module |
| Manufacturer | Woodward |
| Output Type | Electromechanical relay outputs |
| Contact Rating | Up to ~5 A per contact |
| Contact Configuration | Normally Open (NO) / Normally Closed (NC) options |
| Terminal Interface | Screw‑clamp field terminals |
| Input Logic Voltage | Standard control logic (e.g., 24 VDC) |
| Isolation | Electrical isolation between logic and load circuits |
| Mounting | DIN‑rail, panel, or field terminal enclosure mounting |
| Operating Temperature | Industrial‑rated temperature range |
| Protection Features | Electrical noise isolation, grounding provisions |
Applications
The 5441‑691 excels wherever robust field‑level relay interfaces and clear wiring access are needed:
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Field device interfacing for solenoids, alarms, and actuators
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Distributed relay outputs tied to PLCs and control systems
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Control panel field termination junctions
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Safety interlock and shutdown signal distribution
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Infrastructure automation and building control interfaces
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Machine control and status indicator circuits
Its structured terminals and clearly grouped outputs make on‑site installation, troubleshooting, and maintenance efficient and reliable.
Advantages
Direct Field Termination
Clear, labeled terminal points simplify field wiring and deployment.
Reliable Mechanical Switching
Electromechanical relay contacts support medium‑power loads with dependable operation.
Electrical Isolation
Galvanic separation between logic signals and field loads protects sensitive control circuitry.
Industrial‑Ready Construction
Designed to withstand vibration, temperature variation, and electrical noise common in industrial settings.
Flexible Mounting
Supports DIN‑rail or panel mounting to suit diverse control architecture layouts.
The 5441‑691 improves installation efficiency while delivering consistent relay performance for challenging automation environments.
Technical FAQs
1. What is the primary purpose of the 5441‑691?
It provides a field‑ready relay interface with clearly labeled terminals for easy wiring.
2. What type of relay outputs does it use?
Electromechanical relay contacts with NO/NC options.
3. How much current can each relay contact handle?
Typically up to around 5 A per contact.
4. What logic voltage does it accept?
Designed for standard industrial logic voltages, typically 24 VDC.
5. Does it provide galvanic isolation?
Yes — it isolates control logic from field load circuits.
6. What mounting options are supported?
DIN‑rail, panel, or terminal enclosure mounting.
7. Can this module be used in outdoor field junctions?
With appropriate environmental enclosure and protection, yes.
8. What devices can it switch?
Solenoids, lamps, valves, indicators, and similar loads within rated limits.
9. Is it suitable for safety interlock signals?
Yes, when used as part of properly designed control logic.
10. Are the terminals clearly labeled for wiring?
Yes, field terminals are organized and labeled for installation simplicity.
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