Product Details
Configured for wind turbine control and monitoring in turbine management systems, the Woodward LR20025 (LR20025 Multifunction Relay) provides direct electrical execution of voltage and current sensing via CAN bus communication.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | LR20025 |
| Brand | Woodward |
| Origin | Not specified |
| Weight | 2.00 lbs |
| Dimensions | 96 mm x 72 mm x 130 mm |
| Voltage Sensing | 250-690 VAC, 50/60 Hz |
| Current Sensing | 0.5-5 A |
Actuator Loop Feedback Response and Thermal Heat Sink Dissipation Profiles
The LR20025 integrates directly into the turbine control architecture, utilizing CAN bus protocol to report status and receive operational commands. The internal sensing circuitry is calibrated to manage high-voltage inputs (250-690 VAC) and current inputs (0.5-5 A) while maintaining signal accuracy. Thermal heat sink dissipation profiles for the relay enclosure are designed to support continuous operation under typical turbine nacelle temperature fluctuations. The relay maintains a stable actuator loop feedback response by processing electrical parameters and providing real-time data back to the primary PLC, ensuring the turbine system remains within programmed operational limits.
Frequently Asked Questions
Q: Can the LR20025 be replaced by other relay models if the original is unavailable?
A: The LR20025 (MFR13) can be replaced by the MFR300 (Part number 8444-1093), which offers similar functionality for wind turbine applications. Ensure the existing CAN bus addressing and terminal wiring maps are verified before commissioning the replacement unit.
Q: What are the primary communication requirements for integration with a PLC?
A: The device communicates via CAN bus protocol. Ensure the PLC interface supports the relevant CAN bus baud rate and message structure required for relay monitoring and control.
Field Installation Guidelines
- Mounting: Secure the relay within the turbine control panel using the specified 96 x 72 mm cutout. Ensure the 130 mm depth allows for adequate cable routing and clearance from high-voltage power components.
- Wiring: Connect sensing inputs for voltage (250-690 VAC) and current (0.5-5 A) to the designated terminals. Use appropriate gauge wire rated for the maximum expected current and voltage levels.
- Communication: Establish the CAN bus link to the PLC. Ensure proper termination of the CAN bus network at both ends to prevent data packet corruption and reflection errors.
- Isolation: Maintain physical and electrical separation between low-voltage CAN bus signal lines and high-voltage AC sensing circuits to prevent noise injection and protect the communication interface.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
Industrial automation relies heavily on robust networking infrastructure to connect programmable logic controllers (PLCs), distributed control systems (DCS), and human-machine interfaces (HMIs). Modern factory automation environments generate vast amounts of real-time operational data across deterministic networks. Understanding the structural differences between hubs, switches, and routers ensures optimal traffic segmentation, minimizes latency, and maintains high network availability.
Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.
Voice-Activated Industrial Automation: Integrating Speech Control into PLC and DCS Architectures
Industrial automation integrates speech recognition, IIoT protocols, and NLP with PLCs and DCS to streamline operations. By leveraging advanced edge computing, engineers enable real-time, hands-free control—allowing personnel to manage smart factory processes safely away from hazardous equipment.