Condition:Used

Key Specifications

1. Model Identification

   • Part Number: 8440-1855

   • Revision: G (hardware/software version)

   • Series: EasyGen-2200 (5/P1 variant)

   • Type: Digital paralleling controller with integrated protection

2. Core Functions

   • Advanced Paralleling:

     • Isochronous/Droop load sharing (≤1% imbalance)

     • Closed transition transfer

     • 32-unit maximum bus configuration

   • Protection Suite:

     • 27/59 (under/over voltage)

     • 81O/81U (over/under frequency)

     • Reverse power (32R)

     • Customizable alarm thresholds

3. Technical Parameters

   • Voltage Inputs: 50-600V AC L-L (configurable PT ratios)

   • Current Inputs: 1A or 5A CTs (0.2% accuracy)

   • Frequency Range: 40-70Hz (±0.01Hz resolution)

   • Analog Outputs: 4x 4-20mA (actuator control)

4. Communication & I/O

   • Digital I/O:

     • 16 programmable inputs (24VDC wetting)

     • 10 relay outputs (5A @ 30VDC)

   • Communication Ports:

     • Dual RS-485 (Modbus RTU)

     • CANbus J1939

     • Optional Ethernet (IEC 61850)

5. Power Supply

   • Operating Voltage: 18-32VDC (24V nominal)

   • Power Consumption: 25W max

   • Supercapacitor Backup: 72-hour settings retention

Hardware Features

• Display: 5.7″ TFT LCD (640×480) with capacitive touch

• Enclosure: IP65-rated aluminum housing

• Operating Temp: -40°C to +70°C (condensing)

• Certifications: UL 508, IEC 60255, DNV-GL

Programming & Configuration

1. Configuration Tools:

   • Woodward Toolkit (v6.10+ required for Rev G)

   • Web interface (via Ethernet option)

2. Key Parameters:

   • Load ramp rates (1-600 sec adjustable)

   • 20+ custom alarm setpoints

   • Black start sequencing

Application Profiles

• Data Centers: Closed transition transfer

• Marine: MIL-STD-1399 power quality

• Oil/Gas: SIL2-certified critical loads

• Microgrids: Renewable integration

Installation Guide

1. CT/PT Wiring:

   • 1A CTs: ≤5VA burden

   • 120:1 PTs: Class 0.5 accuracy

2. Synchroscope Interface:

   • Slip frequency <0.1Hz for close command

3. Grounding:

   • <1Ω chassis ground mandatory