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3 year warranty


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8280-411 is a Digital Controller for Woodward's 723Plus Series. This unit includes features remote speed/load settings, communication using the LON protocol for digital communications, automatic breaker opening, and integral analog load sharing.



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  • Part Number: 8280-411
  • SKU: 8280411WO
  • Manufacturer: Woodward
  • Series: 723 and 723PLUS Digital Control

8280-411 Technical Specifications

Weight 6lb 8oz
Power Consumption Nominal 40 W
Model 723PLUS with high-voltage power supply
Manufacturer Woodward
Manual 02882
Input Voltage 90–150 Vdc (125 Vdc nominal)
Features one or two proportional actuators to position the fuel metering
Discrete Inputs (8) 10 mA at 24 Vdc, impedance 2.3 kOhms
Dimensions 16.25W in x 11.5L in x 2.375H in

Product Description

Part 8280-411 is a Woodward digital speed controller released in the company’s 723PLUS line. It is designed for use with reciprocating engines in variable-speed applications. This model is the high voltage version (90 to 150 Vdc), a low voltage version (8280-410) is also available. Both versions require 40 W of power.

The 8280-411 is suitable for applications in which there are flexible coupling torsional, as these can be monitored by two proximity switches via the controller’s speed inputs. Alternately, two magnetic pickups (MPUs) may be used instead. If a speed sensor signal is lost, two red indicators on the control will illuminate.

There are several Woodward accessories that are compatible for use with the 723PLUS Digital Speed Controls. Installation and operation information for 723PLUS model 8280-411 is in the Woodward 723PLUS Digital Speed Control for Reciprocating Engines Manual 02882. This includes a comprehensive list of all compatible accessories and their functions, including the handheld programmer used for programming and monitoring this control.

The 8280-411 has optically isolated discrete inputs as well as differential-type analog inputs with extra filtering, reducing the likelihood of speed and load shifts resulting from noise and interference. The 723PLUS controller also has some configurable I/Os, along with three communication ports.

Reviews For 8280-411

Internal Review

While the 8280-411 unit is a viable controller from Woodward, purchase options through us will likely be a lateral replacement or repair service due to this model's limited availability. - AX Control Inc. Tech Team

Repair Services For 8280-411

Type Lead Time Price Action
Repair Service 1-2 weeks $1991

Our highly skilled technicians can repair your 8280-411. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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