Woodward 2301D 8273-140
Product Name: Woodward 2301D 8273-140 Digital Load Sharing & Speed Control Module
Product Introduction: A microprocessor‑based digital control module designed for precise speed regulation and load sharing of prime movers (diesel/gas engines, turbines). It serves as a direct upgrade for legacy 2301A systems, offering enhanced software flexibility and integrated control functions.
Technical Specifications:
- Power Supply: 18–40 VDC, ≤20 W nominal; max current 589 mA @18 V
Detailed content
- Speed Input: 100–25,000 Hz (300–3600 rpm), MPU sensor compatible
- Actuator Output: Configurable 0–20 mA, 4–20 mA, or 0–200 mA
- I/O: 1 load sensor, 1 configurable analog input/output, 8 discrete inputs, 4 relay outputs
- Communication: RS‑232/RS‑422, Modbus RTU optional
- Operating Temp: −40°C to +70°C; Storage Temp: −40°C to +105°C
- Compliance: CE, RoHS, UL 1998
Functional Features:
- Supports isochronous, droop, and base load control modes
- Soft load transfer for seamless bus connection/disconnection
- Millisecond‑level PID closed‑loop control, ±0.25% speed accuracy
- Built‑in overspeed, low oil pressure, and over‑temperature protection
- Field‑configurable via Woodward Watch Window software
Application Scenarios:
- Diesel/gas generator sets (standalone/parallel operation)
- Steam/gas turbine speed control in power generation
- Industrial pump/compressor drive systems
- Marine propulsion and auxiliary power units












