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Model number 8280-415 is part of the 723PLUS series from Woodward. This model is considered a Power Generation model that is high-voltage with analog loadshare. There are three analog outputs available on the 8280-415 model in terminals 15/16, 17/18, and 21/22.



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  • Part Number: 8280-415
  • SKU: 8280415WO
  • Manufacturer: Woodward
  • Series: 723 and 723PLUS Digital Control

8280-415 Technical Specifications

Part Number 8280-415
Series 723PLUS
Manufacturer Woodward Inc, Fort Collins CO
Model Woodward 723PLUS High-Voltage
Storage Temperature -67 to +221 °F
Ambient Operating Temperature -40 to +158 °F
Standards UL/cUL Listing Class 1, Division 2, Groups A, B, C, D
Chassis Metal for Hazardous Locations
Mechanical Shock Standard US MIL-STD 801C Method 516.2, Proc. I, II, V
Input Voltage 90–150 Vdc (125 Vdc nominal)

Product Description

Part 8280-415 Is a Woodward Governor digital speed control with analog load sharing, designed for use with reciprocating engines in generator set service. This unit was released in Woodward’s 723PLUS series, a line of controllers that offer a range of features and functions to suit various applications. This model, the 8280-415, is a high-voltage model operating at 90 to 150 Vdc. An otherwise identical low-voltage model is also available, as are low and high-voltage models designed for low-speed engines at 130 rpm or less. 


The 8280-415 is suitable for applications where monitoring of the flexible coupling torsional is necessary, as the two-speed signal inputs support both magnetic pickups (MPUs) and proximity switches. Other inputs on this 723PLUS controller include:

  • One for remote load or speed setting
  • One for a synchronizer
  • One for a kW sensor
  • One for output fuel limiting
  • An internal speed reference (permitting local control of speed)

8280-415 outputs include:

  • Three relay outputs
  • An actuator output
  • Three analog outputs (configurable)


A LON channel supports Woodward LinkNet input/output nodes to monitor functions, and three serial channels offer a few options for control interfaces. To monitor and program the 723PLUS 8280-415, a Watch Window PC interface or a handheld programmer may be used via serial port J1 (port J2 is Watch Window only). A Modbus master device, such as an HMI, may be interfaced with via port J3. This HMI can be used to issue control commands and to monitor the parameters of the control and engine.

Frequently Asked Questions about 8280-415

What are the LED outputs on the 8280-415 model used for?

The LED outputs on the 8280-415 model are hard configured and will provide a variety of status indications. LED #1 and  #2 are used for the identification of the failure of the magnetic pickups. There are minute differences between the two, as they indicate two different interfaces; LED #1 will blink for approximately two seconds when the Hand Held interface on the model has been enabled, whereas LED #2 will blink when the ServLink/Watch Window interface has been enabled. LED #3 and #4 are both used for identifying different conditions when they have occurred without being cleared or reset by the model. LED #3 will be lit when an Alarm condition has occurred, whereas LED #4 will be lit when a Shutdown condition occurs. 

How many internal jumpers are available on this model, and what are the functions of some of them?

There are a total of ten internal jumpers, described as two-position jumpers. As there are so many jumpers, some of the jumper options are analog outputs labeled as analog outputs one and two. They can be operated at 0-1 mA or 0-20 mA; refer to Manual 02879 for the complete list of internal jumpers and their functions.

Reviews For 8280-415

Internal Review

Unit 8280-415 is a great High Voltage option to use in conjunction with your factory's analog systems. Please note that while the system is encased in a durable metal chassis, if dropped, not only will the functionality be at risk, but said chassis could easily be dented, making for a difficult installation. If any damage is obtained to the chassis, it is highly recommended it be repaired immediately to prevent any further issues with the functionality or installation. - AX Control Tech

Repair Services For 8280-415

Type Lead Time Price Action
Repair Service 1-2 weeks $1825

Our highly skilled technicians can repair your 8280-415. 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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