Product Description

Advanced Digital Engine Governing Overview

The 8273-140 (Model: 8273-140) is a high-performance, full-authority digital speed control unit from Woodward’s renowned 2301E series. Engineered as the modern digital successor to the legacy 8273-101, this module provides the sophisticated logic required for precision speed regulation and proportional load sharing in engine and turbine applications. The 8273-140 (Part Number: 8273-140) is optimized for 24 VDC systems, offering a robust digital upgrade path that enhances stability and diagnostic capabilities while remaining compatible with existing Woodward proportional actuators.

Detailed Technical Specifications

The 8273-140 (8273-140) utilizes high-speed digital processing to deliver superior governing response and frequency stability.

• Manufacturer: Woodward

• Series: 2301E Digital Control (Successor to 8273-101)

• Model Number: 8273-140

• Input Power: 18–32 VDC (Nominal 24 VDC)

• Power Consumption: 20 W Typical

• MPU Input: 1.0 to 30 Vrms (Magnetic Pickup for RPM sensing)

• Control Modes: Isochronous, Droop, and Kilowatt Load Sharing

• Actuator Drive: Proportional current (0–200 mA or 0–160 mA configurable)

• Analog Inputs: 4–20 mA, PWM, or Analog Bias (Auxiliary/Sync)

• Discrete Inputs: Idle/Rated, Raise/Lower, Close to Run

• Communication: RS-232 Service port for Watch Window PC configuration

• Operating Temperature: –40°C to +70°C

• Protection: Reverse polarity, overvoltage, and short-circuit protection

• Enclosure Rating: IP20

• Dimensions: 200 × 150 × 60 mm

• Weight: 1.95 kg (4.30 lbs)