8273-140 Woodward 2301E Series Datasheet & Technical Manual

Woodward 8273-140 2301E Digital Speed Control Modules

Woodward 8273-140 2301E Digital Speed Control Modules

Availability: 10 left in stock

Woodward 8273-140 2301E Digital Speed Control Module The Woodward 8273-140, also cataloged as the 8273-140 2301E Digital Speed Control Module,...

SKU: 8273-140

Manufacturer: Woodward
Product No.: 8273-140
Product Type: Digital Speed Control Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1950g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Woodward 8273-140 2301E Digital Speed Control Module

The Woodward 8273-140, also cataloged as the 8273-140 2301E Digital Speed Control Module, operates as a dedicated hardware component for precision speed regulation within engine and turbine applications. Configured as a full-authority digital speed control unit, this module provides the digital logic required for isochronous governing, droop control, and proportional kilowatt load sharing. The physical hardware executes direct control loops over 24 VDC power systems, converting magnetic pickup engine speed inputs into configurable proportional current drive commands for compatible Woodward actuator architectures.

Hardware Specifications

Parameter	Specification
Model	8273-140
Brand	Woodward
Origin	USA
Weight	1.95 kg (4.30 lbs)
Dimensions	200 x 150 x 60 mm
Operating Temp	-40 to +70 deg C
Power Consumption	20 W typical
Series	2301E Digital Control (Successor to 8273-101)
Input Power	18-32 VDC (Nominal 24 VDC)
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
Protection	Reverse polarity, overvoltage, and short-circuit protection
Enclosure Rating	IP20

V/Hz and Field-Oriented Vector Control

The digital core utilizes high-speed processing loops to optimize the actuator loop feedback response, stabilizing power generation envelopes against severe transient load steps. Real-time control code governs the configurable 0-200 mA or 0-160 mA actuator drive circuits, ensuring linear response profiles that counteract mechanical linkage friction and backlash. The internal electronic filtering suppresses harmonic distortion profiles originating from high-vibration engine housings, ensuring clear 1.0 to 30 Vrms magnetic pickup (MPU) signal interpretation. Auxiliary and synchronization adjustments feed through the dedicated 4-20 mA and PWM analog biases, adjusting the engine speed target to coordinate phase-matching sequences with automated bus bars.

Frequently Asked Questions

Q: Can the 8273-140 module directly replace a legacy Woodward 8273-101 analog control unit?

A: Yes. This module functions as the modern digital successor to the 8273-101, utilizing compatible 24 VDC footprints and electrical logic to facilitate an direct upgrade path while maintaining compatibility with legacy Woodward proportional actuators.

Q: What tool executes the software parameters and field configuration variables for this unit?

A: Configuration requires linking a PC to the front panel via the hardware RS-232 service interface port, executing adjustments through the Woodward Watch Window service tool software.

Q: How does the module react to a sudden short circuit on the actuator drive lines?

A: The hardware embeds dedicated short-circuit, overvoltage, and reverse polarity protection networks that isolate the output stage, avoiding internal component damage until the field electrical fault is cleared.

Field Installation Guidelines

Mounting the 1.95 kg module requires solid mechanical anchoring inside an IP54 or higher industrial enclosure to supplement the baseline IP20 housing protection. Ensure the physical position allows adequate airflow, keeping ambient temperatures within the -40 to +70 deg C envelope.

Magnetic pickup (MPU) lines and actuator current outputs must use separate twisted-pair shielded cables. Route these low-voltage signal lines through dedicated metal conduits, maintaining a minimum 300 mm clearance from high-voltage AC phase cables or motor starter wiring to suppress electromagnetic coupling. Terminate the overall cable shields at one point only, binding them firmly to the central low-impedance master grounding bar via short grounding straps to eliminate loop currents. Verify the integrity of the 24 VDC terminal pins before applying 18-32 VDC power to prevent electrical damage during initialization.

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