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Digital Marine Speed Control (medium-/high-speed engines, over 100 rpm) model 8280-1173 from Woodward. As a functioning member of the 723 Plus series, this unit comes standard with a 32-bit microprocessor as well as Digital reference and ramps for speed, pressure, and temperature.



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  • Part Number: 8280-1173
  • SKU: 82801173WO
  • Manufacturer: Woodward
  • Series: 723 and 723PLUS Digital Control

8280-1173 Technical Specifications

Weight 2.95kg
Storage Temperature –55 to +105 °C
Speed Input Impedance 10 kOhms ± 15%
Chassis Metal Chassis
Operating Temperature –40 to +70 °C
Model 8280-1173 723PLUS Digital Marine Speed Control, medium-/high-speed engines, over 100 rpm
Features Clutch control and permissive logic
Features Mechanical load sharing by matching fuel rack positions
Features Flexible coupling torsional filtering
Dimensions (cm) W41.275 x L29.21 x H6.0325

Product Description

For dual-engine marine applications model 8280-1173 offers a range of features, such as clutch control and permissive logic, flexible coupling torsional filtering, manifold or external fuel limiting, and single-throttle operation during clutched operation for medium/high-speed diesel engines (over 100 rpm).

Woodward 723PLUS model 8280-1173 boasts numerous I/Os, including 4–20 mA remote speed-setting input, 4–20 mA manifold or external fuel input, and redundant communication ports which are used for control status between controls for loading and clutching. This control also has eight discrete inputs for:

  • Run/Stop
  • Clutch Request
  • Clutch Status
  • Idle/Rated
  • Raise Speed
  • Lower Speed
  • Either Overspeed Test or Emergency Declutch (configurable contact)
  • Either Alarm Reset or Dynamics 2 (configurable contact)

Outputs on the 8280-1173 control include three configurable 4–20 mA outputs. These outputs are configurable for:

  • Engine speed
  • Engine load
  • Speed reference
  • Actuator driver output
  • Remote speed input
  • PID output

A complete list of the I/Os on model 8280-1173 can be found in Woodward 723PLUS Digital Marine Speed Control, Two-engine Mechanical Load Sharing Installation and Operation Manual 26808. This control is programmed and monitored using a hand-held programmer, Woodward part number 9907-205.

Reviews For 8280-1173

Internal Review

8280-1173 is a durable Digital Controller from Woodward's 723PLUS Series. The internal PCB is fully covered by a metal chassis and can withstand temperatures up to 70 C/158 F. - AX Control Inc. Technicians

Repair Services For 8280-1173

Type Lead Time Price Action
Repair Service 1-2 weeks $1722

Our highly skilled technicians can repair your 8280-1173. 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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