8402-271 | Digital Speed Control Module

Product Overview

The Woodward 8402-271 is a high-performance digital control module designed for precision management of industrial turbines and reciprocating engines. As a critical component of Woodward’s 8400 series control systems, this advanced module delivers real-time speed regulation and process optimization for power generation and mechanical drive applications. The 8402-271 integrates dual-redundant processing capabilities with configurable I/O interfaces, enabling seamless integration into both standalone and networked control architectures. Its ruggedized design supports operation in extreme environments while maintaining ±0.25% speed control accuracy. The module’s compatibility with Woodward’s proprietary ToolKit software allows engineers to implement customized control strategies, making the Woodward 8402-271 an essential solution for applications demanding uncompromising reliability and adaptive performance.

Technical Specifications

8402-271

Key Features & Benefits

The Woodward 8402-271 combines military-grade reliability with industrial automation flexibility. Its adaptive tuning algorithms automatically compensate for load variations, maintaining optimal performance across diverse operating conditions. The module features:

Multi-Layer Protection: Integrated overspeed detection and critical shutdown logic
Dynamic Configuration: Field-programmable setpoints via HMI or software
Advanced Diagnostics: Predictive maintenance alerts for actuator performance degradation

With its non-volatile memory and hot-swappable design, the 8402-271 ensures continuous operation during maintenance activities. The module’s 24-bit resolution analog inputs provide exceptional measurement accuracy, while its <1ms response time guarantees precise control during transient conditions.

Application Areas

The 8402-271 excels in gas turbine control for combined-cycle power plants, providing precise frequency regulation for grid synchronization. It’s widely deployed in offshore drilling platforms for compressor control, and in cogeneration systems managing steam turbine/reciprocating engine hybrids. Additional applications include marine propulsion systems, pipeline compressor stations, and industrial CHP (Combined Heat and Power) plants requiring multi-fuel capability and adaptive load sharing.

Related Products

• 8406-105 – Fuel Valve Actuator Driver Module
• 8407-451 – Redundant Communication Gateway
• 8410-181 – HMI Interface Panel
• 8420-031 – Vibration Monitoring Expansion Module
• 8430-202 – High-Speed Overspeed Protection Unit