Woodward EGCP 3 control panel 8406-113

1. Basic Model Information
Part Number: 8406‑113
Series: EGCP‑3 LS (Load Sharing) Engine Generator Digital Control Panel
Manufacturer: Woodward, Fort Collins, Colorado, USA
Control Core: Microprocessor-based integrated genset parallel & load sharing controller
Application: Single genset, multi-generator bus paralleling (max 16 units), mains utility parallel, island mode load control
2. Power Supply Specifications
Operating Input Voltage: 18–32 VDC (24V nominal system)
Reverse polarity protection built-in
Operating Current: Typical 0.8–1.2 A
Power consumption: Max 30 W
3. Environmental Ratings
Operating Ambient Temperature: ‑20 °C ~ +70 °C
Storage Temperature: ‑30 °C ~ +80 °C
Relative Humidity: 5%–95% RH, non-condensing
Enclosure Rating: NEMA 4 when flush panel-mounted properly
Vibration & Shock: Compliant with industrial generator standard IEC 60068
Hazardous Location Approval: UL Class I, Division 2 certified
4. Mechanical Dimensions & Weight
Overall Dimension (H × W × D): 282 mm × 359 mm × 135 mm
Net Weight: 4.3 kg (9.5 lbs)
Mounting: Panel flush cutout mounting, front operator keypad & dual LCD interface
5. Operator Interface (Front Panel)
Display: Dual independent backlit LCD screens
Upper screen: 8 lines real-time status data
Lower screen: 4 lines configuration menu / alarm event log
Input: Membrane numeric & function keypad, navigation arrow keys
Built-in 9 monitoring menus:
System Status, Engine Status, Generator Status, Synchronizer Status, kW Load Status, PF/kVAR Status, I/O Status, Sequence Status, ATS Status
Local manual operation: Start/Stop, Raise/Lower speed, Voltage adjust, Sync enable
6. Generator Electrical Measurement (True RMS)
Voltage Sensing: 120 / 240 / 480 / 600 VAC 3‑phase
Current Transformer Input: 0–5 A AC secondary CT signal
Measured Parameters:
Line voltage, line current, frequency, kW, kVAR, kVA, Power Factor, total kWh counter, engine speed
Frequency Range: 45–70 Hz (50/60 Hz genset universal)
7. Speed Bias Analog Outputs (to Engine Governor)
Configurable speed trim output for Woodward governors:
4–20 mA analog
0–5 VDC
±3 VDC bipolar
500 Hz PWM pulse
Digital Raise/Lower contact pulse
8. I/O Terminal Specifications
Digital Inputs (Dry Contact)
Engine run, fault shutdown, emergency stop, breaker position, mains available, remote auto/manual
Relay Output Contacts
Rating: 8 A / 250 VAC resistive load per relay
Functions: Engine start, fuel solenoid, alarm horn, genset breaker close, fault trip, heating control
Analog Inputs
Thermocouple / RTD for engine coolant temp, oil temp
4–20 mA transducer input for oil pressure
9. Parallel & Load Sharing Control Functions
Control Modes: Isochronous speed, Droop speed, Base Load, Process Control
Active Load (kW) cross-sharing between up to 16 EGCP‑3 LS units
Reactive load (kVAR / PF) PID regulation for mains parallel
Auto synchronizer: Voltage matching, frequency matching, phase angle sync check
Anti-motoring protection, reverse power trip logic
10. Communication Ports (3 Serial Ports Onboard)
ServLink RS232: Local PC configuration via Watch Window software
RS485 Modbus RTU: Remote SCADA monitoring & parameter access
Load Sharing Serial Bus: Interconnection between multiple EGCP‑3 controllers for kW sharing
11. Sequence & Protection Logic
Full automatic engine start/stop sequence: Pre-lube, crank, safety time delay
Multi-stage fault alarms & shutdown protection:
Overspeed, low oil pressure, high coolant temp, overcurrent, reverse power, under/over voltage, frequency deviation, breaker fail, loss of excitation
Alarm event log storage with time stamp