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Woodward's Series 723PLUS Marine Digital Controller 8280-1109 for two-engine mechanical torque sharing using LonWorks. Features integral load sharing/soft loading/unloading, automatic breaker opening, and 2 serial ports with Modbus and Servlink protocol choices. CSA Certified and CE Compliant.



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  • Part Number: 8280-1109
  • SKU: 82801109WO
  • Manufacturer: Woodward
  • Series: 723 and 723PLUS Digital Control

8280-1109 Technical Specifications

Model Low Voltage
Weight 7 lbs before packaging
Storage Temperature –67 to +221 °F
Operating Temperature –40 to +158 °F
Analog Output 0–1 mA or 4–20 mA (max. 600 ohms load)
Manufacturer Woodward
Inrush Current 7 A for 0.1 ms
Input Voltage 18–40 Vdc (24 or 32 Vdc nominal)
Electrical Standards Lloyd’s Register of Shipping Specification EN 50081–2 and EN 50082–2

Product Description

Part 8280-1109 is designed for use in dual engine (diesel engine) marine applications to regulate engine speed and load, and to control clutching functions. This is a Woodward 723PLUS Digital Marine Speed Control model intended for marine applications in which mechanical torque sharing (using LonWorks communications) is required.

Mechanical torque sharing is done by matching torque sensor inputs, which have a torque sensor failure mode. 723PLUS model 8280-1109 permits single-throttle operation for both engines during clutched operation and has both clutch control and permissive logic.

The 8280-1109 control boasts advanced speed-sensing algorithms, and redundant speed signals are possible by using two magnetic pickups (MPUs) or proximity switches.

The input voltage range of part 8280-1109 is 18–40 Vdc. This control is in a metal housing and should be installed in a protected location where a temperature range of –40 to +158 °F is maintained during operation (–67 to +221 °F during storage). Software parameters of this control are set using either Watch Window software (PC-based, part number 8923-932) or a Woodward Hand Held Programmer (part number 9907-205). There are three serial ports on the 8280-1109 for this purpose.

This Woodward 723PLUS marine control is UL Listed for Class I, Division 2, Groups A, B, C, and D, and is CSA Certified and CE Compliant. Additional information on certifications and listings can be found in Woodward 723PLUS Digital Marine Control Installation and Operation Manual Technical Manual 26482.

Reviews For 8280-1109

Internal Review

Model 8280-1109 is suitable to support UL hazardous locations Class I div 2 Groups A/B/C/D. Note: Installation and operation should be either performed by a certified or well-versed operator. - AX Control Techs

Repair Services For 8280-1109

Type Lead Time Price Action
Repair Service 1-2 weeks $1661

Our highly skilled technicians can repair your 8280-1109. 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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