Woodward 8440-2087 Genset Controller – Synchronizing, Load Sharing, and Protection for Engine-Generator Systems

The Woodward 8440-2087 is a factory-configured genset control module from the easYgen-3000 family, built for precise generator protection, automatic synchronization, and reliable load sharing. From my experience, it’s the kind of controller you specify when you want consistent starts, clean transfers, and stable parallel operation—without adding extra boxes for every function. It seems to be a strong fit for both island mode and utility-parallel applications, with flexible I/O and engine CAN integration to keep wiring lean and diagnostics straightforward.

Our Order Process & Guarantees

• Warranty: 365 days
• Lead time: Typically 1 week if in-stock; no more than 1 month at the latest
• Payment terms: 50% advance payment; full payment prior to delivery
• Express options: FedEx, UPS, DHL

Key Features

• Automatic synchronizing – Matches voltage, frequency, and phase for smooth breaker close on generator-to-bus or gen-to-gen.
• Load sharing & kW/kVAr control – Balances multiple units to prevent overload and improve fuel utilization in parallel mode.
• Comprehensive protection – Over/under voltage and frequency, reverse power, overcurrent, and configurable alarms help protect the genset and bus.
• Engine CAN interface – Typically supports J1939 engine data for speed, temperatures, and faults, cutting down on extra sensors.
• Multi-breaker logic – Handles genset breaker and, in many cases, bus/utility breaker sequencing for AMF/ATS and peak shaving scenarios.
• Flexible I/O – Discrete inputs, relay outputs, and analog I/O for permissives, status, and control—keeps site customization practical.
• Measurement inputs – 3-phase voltage and 1A/5A CT inputs for accurate metering and protection functions.
• Event history & diagnostics – On-screen status and records to speed up troubleshooting during commissioning or site service.

Technical Specifications

Application Fields

You’ll typically see the 8440-2087 in multi-genset power systems where uptime matters: data centers with N+1 strategy, hospitals with AMF/ATS requirements, mining camps with cycling loads, and marine auxiliary power with harbor/sea mode. One thing I appreciate is how it handles islanded and utility-parallel modes with the same core logic—useful for peak shaving and export-limited sites.

Advantages & Value

• Reliability – Industrial-grade controller design with proven easYgen protection and sync algorithms.
• Compatibility – Works with common engine ECUs via J1939; integrates with PLC/SCADA over Modbus in most cases.
• Lower total cost – Built-in sync, breaker logic, and metering reduce the need for separate relays/meters.
• Serviceability – Clear event logs and parameter sets mean faster commissioning and fewer site call-backs.

A contractor we support on marine retrofits mentioned the swap from a mixed relay panel to the 8440-20xx series cut wiring time by days and made sea-trials less stressful—because the sync and protection behavior was repeatable across vessels.

Installation & Maintenance

• Panel/Cabinet – Mount in a rigid, ventilated enclosure; follow recommended panel cut-out and gasket for IP performance.
• Wiring – Use shielded twisted pair for RS‑485 and CAN; keep CT and voltage measurement leads short and correctly phased.
• Grounding – Bond controller reference to a clean panel ground; avoid shared returns with high-current devices.
• Breaker control – Verify permissives/interlocks and close/open sequences in test mode before live synchronization.
• Routine checks – Periodically back up parameters, clean the front panel, verify time/date, and review event logs.
• Firmware & calibration – Apply approved firmware updates when available; confirm metering accuracy during annual maintenance.
• Environment – Keep within specified temperature; avoid condensation and strong vibration without proper damping.

Quality & Certifications

• CE compliant
• UL/cUL listed (model/region dependent)
• RoHS compliant
• Manufactured under ISO 9001 quality systems
• Supplier warranty: 12 months from delivery

If you’re replacing an existing easYgen unit, share your current part number and breaker topology. We’ll match parameters and accessories so commissioning is quicker and you avoid surprises on site.