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Digital Synchronizer and Load Control Part 9905-288 for three-phase AC generators. Featuring 18 to 40 VDC power supply input.



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  • Part Number: 9905-288
  • SKU: 9905288WO
  • Manufacturer: Woodward
  • Series: DSLC Digital Synchronizer and Load Control

9905-288 Technical Specifications

Current Input Max 0 to 5 A rms, 7 A rms max
Dimensions 460.65mm x 264.16mm x 58.42mm
Features Sheet Metal Back Plate
Input Voltage Max 10 (1.8 A max) to 77 Vdc for up to 5 minutes
Manufacturer Woodward
Operating Temperature –40 to +70 °C
Storage Temperature –55 to +105 °C
Weight Less than 7lbs.

Product Description

This unit is one of the several models of the Woodward Inc. DSLC series, or digital synchronizer and load control series. These models are a series of control modules for alternating current, three-phase, industrial generators. This unit is designated as the 9905-288 model and is regarded as an obsolete unit in the DSLC line.

The 9905-288 unit is designed as a multifunctional device, able to control several aspects and features within the industrial generator it is attached to. Within this unit, there is a control sensor, a load control module, and a synchronizer. It is able to provide operators with the option of choosing either automatic synchronizing of slip frequencies or phase matching.

The control sensor of this unit is able to locate and detect true RMS power levels within the generator and provides bumpless loading/unloading capabilities. The loading can either be done with a base amount or have individual features like import/export and processing.

The 9905-288 unit is similar in design to a more advanced model in the series, the 9905-795. The prime difference between these units is the features that the other doesn’t have. The 9905-288 module is not outfitted with any dead bus closure capabilities. Over the Local Operating Network, the data is formatted differently as well. This unit sends one message for each of the variables sent onto the network, whereas the more advanced model sends one message for up to 7 variables.

The 9905-288 module is available from AX Control Inc.’s inventory of both new surplus and reconditioned, used industrial equipment.

Reviews For 9905-288

Internal Review

The DSLC control model 9905-288 is a microprocessor-based generator load control designed for use with a Woodward speed control and an automatic voltage regulator to provide synchronizing, paralleling, loading, and unloading of three-phase generator sets. - AX Technician

Repair Services For 9905-288

Type Lead Time Price Action
Repair Service 1-2 weeks $1109

Our highly skilled technicians can repair your 9905-288. 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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9905-288 Manuals, White Papers, Data Sheets, and Troubleshooting