Description
Product Overview
The Woodward SPM-D11 8440-1706B represents Woodward’s latest evolution in generator synchronization technology, delivering enhanced performance for critical power management applications. As part of the SPM-D series, this “B” revision model incorporates hardware improvements and firmware enhancements that elevate reliability in extreme operating conditions. Designed for paralleling multiple generator sets, the Woodward SPM-D11 8440-1706B provides precise isochronous load sharing with industry-leading ±0.1% frequency matching accuracy, making it ideal for mission-critical facilities where power continuity is non-negotiable.
This advanced control module features upgraded processing capabilities that enable faster response times during load transitions while maintaining Woodward’s renowned synchronization precision. The Woodward SPM-D11 8440-1706B is particularly suited for hybrid power systems integrating traditional generators with renewable energy sources, offering seamless transition capabilities between different power generation modes. Its ruggedized design meets stringent marine and industrial standards, ensuring reliable operation in environments with high vibration, wide temperature fluctuations, and electromagnetic interference.
Technical Specifications
| Parameter Name | Parameter Value |
| Full Model Number | SPM-D11 8440-1706B |
| Manufacturer | Woodward |
| Product Type | Advanced Generator Synchronization Module |
| Input Voltage Range | 18-36 VDC (24V nominal) |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
| Communication Interfaces | Dual RS-485 (Modbus RTU), CANbus 2.0B |
| Synchronization Accuracy | ±0.1° phase angle |
| Load Sharing Accuracy | ±0.5% of rated load |
| Frequency Range | 40-70 Hz (software configurable) |
| Protection Rating | IP40 (front panel), IP20 (overall) |
| Processor Speed | 32-bit RISC @ 150 MHz |
| Firmware Memory | 8MB Flash, 1MB SRAM |
| Dimensions | 72 x 120 x 115 mm (2.8 x 4.7 x 4.5 in) |
| Weight | 0.55 kg (1.21 lbs) |
WOODWARD SPM-D11 8440-1706B
Main Features and Advantages
The Woodward SPM-D11 8440-1706B introduces several technological advancements over previous versions:
Enhanced Synchronization Performance: The upgraded processor and refined algorithms deliver faster, more precise generator synchronization, reducing connection time by 30% compared to standard models. This results in less mechanical stress during paralleling operations.
Advanced Load Management: Features adaptive load anticipation algorithms that predict demand changes, enabling smoother load transitions between generators. The module maintains ±0.5% load balance even during rapid load steps.
Robust Communication Suite: Dual isolated RS-485 ports allow redundant communication paths, while the CANbus 2.0B interface supports high-speed data exchange with other control systems. The module is compatible with Woodward’s ProAct™ XT ecosystem.
Future-Ready Architecture: The expanded memory capacity supports advanced features like predictive maintenance analytics and remote firmware updates. The Woodward SPM-D11 8440-1706B is designed to accommodate future software enhancements without hardware modifications.
Application Field
The Woodward SPM-D11 8440-1706B excels in demanding power generation scenarios:
Mission-Critical Facilities: Hospitals, data centers, and military installations benefit from its fault-tolerant design and ultra-reliable synchronization capabilities.
Marine Power Systems: Its enhanced vibration resistance and corrosion-protected components make it ideal for shipboard power plants and offshore platforms.
Renewable Hybrid Systems: The module’s fast response time and flexible configuration options enable seamless integration with solar/wind generation and energy storage systems.
Industrial Microgrids: Manufacturing plants and mining operations utilize its advanced load sharing to optimize generator efficiency across variable production demands.
WOODWARD SPM-D11 8440-1706B
Related Products
SPM-D12 8440-1707B: Higher capacity version for larger generator sets
ProAct XT 8440-1622: Integrated control platform with native SPM-D11 support
LSM-300 8440-1503: Load sharing module for simplified applications
NetSync II 8440-1802: Networked synchronization controller
EGCP-4 8440-1407: Next-gen generator control panel
SyncCheck 8440-1901: Synchronization verification system
PowerView 8440-2003: HMI interface for SPM series
Installation and Maintenance
Installation requirements: The Woodward SPM-D11 8440-1706B requires a clean, dry mounting location with adequate ventilation. For optimal performance, maintain at least 50mm clearance on all sides. Use Woodward-approved cabling and follow torque specifications for terminal connections. The module must be properly grounded to the generator set’s ground point.
Maintenance protocol: Perform initial calibration 30 days after installation, then annually. Use Woodward’s Toolkit™ software (version 4.2 or later) for configuration and diagnostics. Regularly inspect ventilation openings and clean with dry compressed air if necessary. The Woodward SPM-D11 8440-1706B features built-in condition monitoring that alerts operators to potential issues before they affect performance.
Product Guarantee
Woodward provides an industry-leading 36-month warranty for the SPM-D11 8440-1706B, covering all components against manufacturing defects. The module’s design life exceeds 15 years in normal operating conditions. Woodward’s global support network offers 24/7 technical assistance, with regional service centers capable of providing advanced repairs and firmware updates. Customers receive complimentary access to Woodward University’s online training resources for proper operation and maintenance of the Woodward SPM-D11 8440-1706B.
