Woodward 2301E 8273‑1011 Digital Load Sharing & Speed Control Board
Product Overview
Model 8273‑1011 delivers standalone speed regulation, multi‑unit parallel load sharing and grid‑tied base‑load control. It is widely deployed in land‑based power stations, marine auxiliary generator sets, factory backup power supplies and off‑grid microgrid systems.
Four Built-in Operating Modes
- Speed Control: For single genset, pumps & compressors, remote 4–20mA speed reference support
- Isochronous Load Sharing: Parallel gensets equal power distribution with soft load/unload ramp
- Droop Base Load: Grid parallel load adjustment via dry contact raise/lower signals
- Isochronous Base Load: Constant power output when synchronized to utility bus
Complete Hardware I/O Spec
- Power supply: 24 VDC
- Operating temperature: -40℃ ~ +70℃
- Weight: 1.75kg (3.86lb)
- 1 MPU speed sensor input, 1 multi-signal actuator driver (4–20mA / 0–20mA / 0–200mA / PWM)
- 2 configurable analog inputs, 1 analog output
- 8 discrete switch inputs, 4 relay driver outputs
- Dual serial ports: RS232 for PC configuration; RS422 Modbus RTU slave for SCADA/PLC connection
Core Advanced Functions
- Soft load transfer, load rejection & load pulse protection
- MAP manifold pressure limiter, torque overload limiter, low-speed protection
- Auto idle-rated speed switching, idle droop function
- Adaptive speed sensing algorithm, onboard fault data logging
- All parameters editable via Woodward Control Assistant / ToolKit software
Model Distinction
- 8273-1011: Ordinary safe location chassis
- 8273-1012: Hazardous explosion-proof cabinet for chemical & oilfield Zone 2 areas
Wide Applications
Stationary diesel/gas generator power plants, marine vessel gensets, data center backup power, industrial compressors & water pumps, off-grid microgrid parallel control systems.
Industry Use Cases
Land-based stationary diesel/gas generator parallel power stations
Marine main & auxiliary generator speed and load control
Oil & gas non-explosion zone genset power supply
Industrial factory backup UPS genset synchronization control
Off-grid microgrid island power systems with multi-unit parallel operation
Water pump & air compressor constant speed industrial process control
Data center critical backup power load managementFAQ
Q1: What is the difference between Woodward 2301E 8273-1011 and old 2301A governor?
Q2: Can I adjust load sharing parameters remotely via Modbus?
Q3: What actuator signal types does the 2301E 8273-1011 support?
Q4: Does this model work for 60Hz North American generators and 50Hz European/Asian gensets?
A4: Fully compatible; 50/60Hz frequency selection is a software-configurable parameter in Control Assistant, no hardware modification required.
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