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easYgen-3500XT Other names:
Control unit easYgen-3500XT
easYgen-3500XT input-output controller
Control unit module easYgen-3500XT
easYgen-3500XT signal unit
Product Description
Model number 8440-1936 is part of the EasyGen 3000 series that Woodward Inc produces, this controller is a generator set or a genset controller. This controller is powered by an internally isolated power supply of 12/24 Vdc. The voltage measure of your device should be 120 V or 480 V depending but they should never be reading either voltage level at the same time, if this is so then the voltage on the device will not measure correctly.
Take caution when you are using your controller, you should only have certified professionals not only operate but repair your controller, if you are using your controller and the genset it is attached to improperly it could cause potential damage to the controller and any components that it is connected to. Please only have a qualified and certified electrician perform any type of electrical work on your controller, there are hazards that can occur from electrical shock if the insulation on your device has potentially sustained damage due to the electrical shock the power supply needs to be immediately switched off.
This model has an alternate part number which is the easYgen-3500-5-P2, the P2 series is made of a plastic housing and has alternative terminals and two relay output terminals (the P1 series only has one relay output); discrete inputs and sinking output terminal; and discrete inputs, power supply, and MPU terminal. The P1 series modules do not have the latter two terminals.
EASYGEN-3500 CONTROL-EASYGEN-3500-5/P2
The easYgen-3500 combines complete engine-generator control and protection with advanced, peer-to-peer paralleling functionality and innovative features in a robust, attractive and user-friendly package. Woodward’s easYgen-3500 Series paralleling genset controllers provide exceptional versatility and value for OEM switchgear builders, generator packagers, and system integrators.
The easYgen-3500 combines complete engine-generator control and protection with advanced, peer-to-peer paralleling functionality and innovative features in a robust, attractive and user-friendly package. Its integrated LogicsManager™ programmable logic functionality provides outstanding application flexibility and can often eliminate the need for additional PLC control, yet can easily integrate with SCADA or PLC-based control systems where desired.
The easYgen-3500 gives you the advantage of standardizing on a single, affordable genset controller for many different distributed power generation applications–from stand-alone emergency backup power to parallel load sharing of up to 32 gensets in complex, segmented distribution systems with multiple utility feeds and tie breakers.
Common easYgen-35400 applications: Emergency standby: data centers, hospitals, commercial and industrial facilities
Distributed Generation (DG): utility-dispatchable power for peak demand response
Islanded prime-power: oil & gas exploration, marine, remote villages, rental/mobile
Microgrid: military, government, net-zero communities, universities
Utility paralleling: peak shaving, demand curtailment
Cogeneration (CHP): wastewater treatment, biogas production/containment
Switchgear upgrades: generator control retrofit to add load sharing/paralleling capability
easYgen-3500 Features & Benefits
All easYgen-3500 Series models include these standard features: True RMS voltage and current sensing (gen, bus and mains) for reduced susceptibility to harmonics CAN network communication/control to engine ECU (standard SAE-J1939 protocol and several proprietary engine OEM protocols are supported) Serial Modbus RTU (slave) communication for SCADA annunciation and external control Configuration via PC/laptop with Woodward ToolKit service tool Connectivity with the RP-3500 Remote Panel for complete annunciation, control and configuration of the easYgen-3500 controller, over CANopen protocol at up to 250m distanceCompliance agency/marine* approvals: CE, UL/cUL, CSA, BDEW, ABS, Lloyd’s Register (* see marine package for further approvals)
The easYgen-3400 Series provide: AMF (automatic mains failure) detection, decoupling and emergency run with dead bus close Automatic synchronization: phase-match, positive/negative slip-frequency, run-up (dead field) paralleling Circuit breaker close/open control: GCB only, GCB and MCB (ATS function), or external (no) control Proportional load sharing (isochronous or droop) of up to 32 gensets, regardless of individual size
Base loading, import/export control, asymmetrical loading (through external base load input) Automatic load dependent start/stop for improved generation system efficiency Asynchronous (induction) generator control Engine and generator protection functions, with fully programmable settings Xiamen Xiongba provides the controller. You can call to inquire about the supply status and price of the controller.
Internal review
The rating of 8440-1936 is not ideal due to its limited availability. However, despite this, the various connection and control options of the 8440 1936 make it a very valuable device. This means that the device can be connected to and controlled by 32 other generator set devices- Xiamen Xiongba Control Technology Team
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admin –
Model number 8440-1936 is part of the EasyGen 3000 series that Woodward Inc produces, this controller is a generator set or a genset controller. This controller is powered by an internally isolated power supply of 12/24 Vdc. The voltage measure of your device should be 120 V or 480 V depending but they should never be reading either voltage level at the same time, if this is so then the voltage on the device will not measure correctly.
angel –
Take caution when you are using your controller, you should only have certified professionals not only operate but repair your controller, if you are using your controller and the genset it is attached to improperly it could cause potential damage to the controller and any components that it is connected to. Please only have a qualified and certified electrician perform any type of electrical work on your controller, there are hazards that can occur from electrical shock if the insulation on your device has potentially sustained damage due to the electrical shock the power supply needs to be immediately switched off.
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admin –
Core Identity: Belonging to the Woodward easYgen-3000XT series of high-end generator controllers, this product is designed for complex parallel power generation systems. It supports coordinated control of up to 32 generator sets (maximum 496 units expandable via GC-3000XT) and 16 circuit breakers (MCB/GGB/bus tie circuit breakers), making it a core component of industrial-grade power management systems.
Model Identification: Model 8440-2085 corresponds to the EASYGEN-3500XT-P1 version, compatible with 24V DC/120V AC power supplies, and suitable for industrial automation and power management systems.
Core Functions and Technical Characteristics:
Parallel Control and Protection Capabilities
Comprehensive Protection Mechanism: Integrates overcurrent, undervoltage, overvoltage, short circuit, frequency deviation (ROCOF), and mains decoupling protection. Supports programmable settings for all generator/generator parameters and complies with international certifications such as UL/cUL, CE, and BDEW.
Intelligent Logic and HMI: Built-in LogicsManager programmable logic allows for customizable control strategies (such as CHP cogeneration heating control and water/fuel level monitoring). It is paired with the RP-3000XT touchscreen remote control panel for remote operation and alarm management.
Parallel Operation: Supports multi-unit parallel operation, grid connection, peak shaving and valley filling, and emergency standby modes. Phase matching and frequency sliding synchronization technologies enable rapid load take-off (dead-zone parallel operation).
Protection Mechanism: Integrates comprehensive protection for the engine, generator, and power grid. It features three-phase true RMS power measurement (Class I accuracy), overcurrent/undervoltage/overvoltage/short-circuit protection, and supports programmable logic customization.
Communication Architecture: Equipped with 9 communication ports (3×Ethernet, 3×CAN, RS-485, USB, and expansion card slot), supporting CANopen, J1939, and Modbus TCP/RTU protocols. Optional redundant Ethernet communication enhances reliability.
Communication and Expandability
Multi-protocol Support: Integrated with 3 Ethernet ports (with redundancy), 3 CAN ports (CANOpen/J1939), RS-485, USB, and expansion card slots; compatible with Modbus RTU/TCP, SCADA systems, and third-party PLCs (such as Siemens and Rockwell).
Collaborative Control Architecture: Can work with the GC-3000XT group management controller to manage up to 496 generator sets; enables complex power distribution network control of 16-64 circuit breakers via the LS-5/LS-6XT circuit breaker controller.
Remote Diagnostics: Supports configuration and fault diagnosis via PC/laptop using Woodward ToolKit software; data synchronization is achieved via the SNTP protocol.
Hardware and Expandability
Wide Voltage Design: Supports 12/24V DC (8-40V) or 120V AC input; direct connection to a 690V AC system; operates without derating at altitudes above 4000 meters.
Extreme Environment Tolerance: Standard version operating temperature -20°C to 70°C, LT low-temperature version supports -40°C to 70°C, IP20 protection rating, storage temperature -30°C to 80°C, 95% non-condensing humidity.
Redundant Design: Dual-channel communication, redundant load sharing (achieved via Ethernet B/C network), automatic switch to backup channel in case of failure.
Intelligent Features and Compatibility
Remote Control: Remote operation via RP-3000XT touchscreen panel, supports SCADA/PLC system integration, compatible with Woodward ToolKit software for parameter configuration and fault diagnosis.
Multi-Language Support: Covers 15 languages including English, German, and Chinese, suitable for global deployment.
Certification Standards: Complies with UL 61010, CE, RoHS 2, and marine ABS/LR certifications, meeting compliance requirements of multiple industries such as power, petrochemical, and shipbuilding.
Technical Specifications
Power Requirements: 8-40V DC (24V DC typical), 120V AC optional, power consumption ≤22W (LT version ≤32W).
Measurement Accuracy: Three-phase voltage/current RMS measurement, power accuracy ±0.5%, supports monitoring of process variables such as temperature and pressure.
Communication Protocols: Supports Modbus TCP/RTU, CANopen, J1939, optional fiber optic/dual-link redundancy.
Physical Specifications: Dimensions approximately 260×180×70mm (P1 version), weight approximately 2.8kg, metal casing suitable for DIN rail or panel mounting.
Application Scenarios and Cases
Typical Applications:
Emergency Backup: Data centers, hospitals, commercial complexes, ensuring power continuity for critical facilities.
Distributed Generation: Photovoltaic/wind power complementary systems, industrial park microgrids, achieving demand response and peak-valley regulation.
Isolated Power Supply: Oil drilling platforms, remote area base stations, mobile power generation equipment, supporting independent operation in off-grid mode. Cogeneration: Biogas power generation, wastewater treatment plants, optimizing energy efficiency and carbon emission control.
Special Environments: High-altitude, low-temperature outdoor applications (e.g., polar research stations), the LT version meets extreme conditions.
Typical Cases:
Achieving generator voltage stability and dynamic load distribution in coal/gas-fired power plants.
Coordinating multiple energy inputs and load balancing in microgrid systems, improving system resilience.
Integrating with DCS/PLC systems in industrial automation to optimize power supply for production processes.
Industry Cases: Coordinating parallel operation of multiple units in coal/gas-fired power plants; achieving seamless switching between mains power and generator sets in data centers; managing complex power distribution networks in marine power systems.
Technical Parameters and Performance Indicators
Power Supply and Power Consumption: 12/24V DC (8-40V), maximum power consumption 22W (LT version 32W).
Measurement Accuracy: True RMS voltage/current detection, Class 1 power measurement accuracy, frequency measurement range 30-85Hz.
Communication Interfaces: 3×Ethernet, 3×CAN, 1×RS-485, 1×USB, expansion card slot (supports Modbus TCP/RTU).
I/O Capabilities: Multiple digital inputs/outputs (DI/DO), supports analog inputs (4-20mA), relay output contact capacity 2A@250VAC.
Environmental Certifications: CE, UL/cUL, CSA, BDEW, ABS, Lloyd’s Register, compliant with VDE AR-N4105 and other power grid standards.
Summary
The Woodward EASYGEN 3500XT is a high-reliability controller designed for complex power generation systems. It integrates advanced parallel control, protection functions, and multi-protocol communication capabilities, making it suitable for industrial, energy, and infrastructure applications with extremely high power stability requirements. Its modular design, wide environmental adaptability, and intelligent logic functions make it a core control unit for large generator power plants, microgrids, and distributed energy systems.
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