Description
The Woodward 5233-2089 is a high-reliability relay output module designed for critical industrial automation and turbine control applications. As part of Woodward’s robust SPC (Simplified Programmable Control) platform, this module provides secure switching capability for actuators, valves, and safety circuits in demanding environments. The Woodward 5233-2089 features configurable Form-C relay contacts rated for high inrush loads, enabling direct control of motors, solenoids, and alarm systems without external interposing relays. Its core function is executing fail-safe shutdown commands in power generation, oil and gas, and marine propulsion systems where operational integrity is paramount. Engineered with galvanic isolation and transient protection, the module ensures noise immunity in electrically harsh environments while maintaining signal integrity. The Woodward 5233-2089 integrates seamlessly with Woodward’s ProTech™ and SPC control families via dedicated backplane communication, offering deterministic response times for safety instrumented systems (SIS). With its ruggedized construction and extended temperature tolerance, this module delivers unparalleled durability for continuous operation in mission-critical infrastructures.

WOODWARD 5233-2089
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 5233-2089 |
| Manufacturer | Woodward |
| Product Type | Relay Output Module |
| Output Channels | 8 |
| Contact Type | Form-C (SPDT) |
| Contact Rating | 5 A @ 30 VDC / 250 VAC (resistive) |
| Max Switching Voltage | 250 VAC/VDC |
| Isolation | 1500 VAC channel-to-logic |
| Switching Time | <10> |
| Backplane Communication | Proprietary SPC bus |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | 1.8 W (typical) |
| Housing Material | Fire-retardant polycarbonate |
| Mounting | DIN-rail (TS35) |
| Safety Standards | IEC 61010-1, SIL 2 capable |
Main Features and Advantages
Robust Switching Performance: The Woodward 5233-2089 delivers industry-leading contact reliability with gold-plated bifurcated contacts rated for 100,000+ operations at full load. Its arc suppression design minimizes contact erosion when switching inductive loads like solenoids or motor starters, significantly extending service life in high-cycle applications.
Integrated Diagnostics: Each channel features real-time contact monitoring with LED status indication and open-circuit detection. Fault conditions trigger immediate alerts through Woodward’s ToolKit™ software, enabling predictive maintenance and reducing unplanned downtime. The module’s built-in transient voltage suppression (TVS) protects against voltage spikes up to 4 kV.
Safety-Centric Design: Engineered for functional safety applications, the Woodward 5233-2089 provides de-energized-to-trip functionality critical for emergency shutdown (ESD) systems. Dual-winding coil drives ensure positive contact actuation even during voltage dips, while cross-channel isolation prevents fault propagation.
Seamless Integration: Pre-configured profiles for Woodward’s ProTech™ governors allow plug-and-play commissioning. The module’s hot-swappable design enables replacement without system shutdown, and its compact form factor saves panel space. Configuration templates in ToolKit™ software simplify logic mapping for complex interlock sequences.
Application Field
The Woodward 5233-2089 excels in safety-critical control systems where fail-safe operation is non-negotiable. In gas turbine control, it executes fuel valve shutdown commands during overspeed events or flame detection failures. For combined-cycle power plants, the module manages boiler feed pump interlocks and emission control system actuators, ensuring compliance with environmental regulations.
In offshore oil platforms, the Woodward 5233-2089 controls emergency shutdown valves for wellhead isolation and fire protection systems, withstanding corrosive salt spray environments. Marine applications leverage its vibration resistance (certified to DNV GL standards) for main engine start/stop sequencing and thruster control. The module also serves compressor stations in pipeline networks, where it initiates blowdown valves during pressure excursions. Discrete manufacturing employs it for safety door interlocks in robotic cells, utilizing its <10>Woodward 5233-2089‘s wide temperature tolerance makes it ideal for geothermal plants and desert-based solar thermal installations.

WOODWARD 5233-2089
Related Products
Woodward 5236-258: 16-channel digital input module; complements 5233-2089 in safety loop configurations.
Woodward 5466-258: Communication gateway; enables 5233-2089 integration with MODBUS/TCP networks.
Woodward 5200-027: Power supply unit; provides redundant 24VDC to 5233-2089 racks.
Woodward 5233-2079: 4-channel high-current relay module; handles 10A loads for heavy-duty applications.
Woodward SPC200: Controller platform; hosts 5233-2089 in turbine control architectures.
Woodward 0300-3630: Termination board; simplifies wiring for 5233-2089 installations.
Installation and Maintenance
Pre-installation preparation: Verify DIN-rail clearance (minimum 50mm above/below module) and ensure ambient temperature stays within -40°C to +85°C. Use shielded, twisted-pair cables for all relay outputs with separate conduits for AC/DC wiring. Confirm backplane connector alignment before inserting the Woodward 5233-2089 to prevent bent pins. Apply Woodward-recommended anti-corrosion coating for coastal installations.
Maintenance recommendations: Perform contact resistance testing annually using low-current (100mA) measurement to detect early contact degradation. Monitor relay cycle counts via ToolKit™ software and schedule replacement at 80% of rated mechanical life. During maintenance, verify tightness of terminal screws (0.5 N·m torque) and inspect for carbon tracking on high-load channels. Always replace the Woodward 5233-2089 as a complete module – contact replacement voids safety certifications.



Email: sales@slxytech.com
WhatsApp / Wechat:8617062388866
Phone:+86 17062388866