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Campbell DustVue, Product Manual

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5. Overview

The DustVue uses the comparison-of-short-circuit method for assessing solar module
performance and losses due to soiling. Numerous studies have compared the advantages and
disadvantages of the different methods used to calculate losses due to soiling. These studies

DustVue

8

Summary of Contents for DustVue

Page 1: ...Revision 08 2023 Copyright 2023 Campbell Scientific Inc DustVue In Field Soiling Measurement for Operational and Site Assessment IEC 61724 1 Compliant PRODUCT MANUAL...

Page 2: ...Overview 8 6 Specifications 9 6 1 Back of module temperature measurements 9 6 2 Modbus TCP communications 10 6 3 System 10 6 4 Power requirements 10 6 5 Compliance 10 6 6 Maintenance button 11 7 Inst...

Page 3: ...PV panel up to 700 W Smaller wattage panels can be used Consult Campbell Scientific before purchasing if using a panel smaller than 20 W Two highly accurate and rugged back of panel temperature senso...

Page 4: ...numbers part numbers and product descriptions against the shipping documents Model or part numbers are found on each product On cabled items the number is often found at the end of the cable that conn...

Page 5: ...left of the screen to save the Ethernet network settings 5 Set time Although set at the factory confirm time settings are correct and if necessary reset the clock at the time of deployment a In the Lo...

Page 6: ...correctly at the time of deployment CAUTION Be sure to check the Longitude_UserEntered TempCoefflscTest_UserEntered TempCoefflscRef_ UserEntered IscTeststc_UserEntered and IscRefstc_UserEntered value...

Page 7: ...is provided TempCoefflscRef_UserEntered User entered temperature coefficient of Isc of the reference panel Default 0 105 C Configured at the factory if value is provided IscTeststc_UserEntered Publish...

Page 8: ...the DustVue 4 3 View data The DustVue outputs data over Modbus TCP see Modbus register map p 17 Live data is shown in the Public table To verify the system is working as expected review the Raw_Measu...

Page 9: ...te at midnight 4 4 Modbus settings and data The following table shows default Modbus settings for the DustVue Any device querying information from the DustVue must have the same settings in order to r...

Page 10: ...of short circuit method for assessing solar module performance and losses due to soiling Numerous studies have compared the advantages and disadvantages of the different methods used to calculate los...

Page 11: ...ernet protocols Modbus PakBus and PakBus encryption See Modbus TCP communications p 10 for a complete list Figure 5 1 Example applications 6 Specifications The DustVue is tested and guaranteed to meet...

Page 12: ...9 A Power converter or solar panel input External batteries BAT 12 VDC lead acid 7 Ah battery typical Internal lithium battery 3 V coin cell CR2016 Energizer for battery backed clock 6 year life with...

Page 13: ...Records cleaning of both panels to initiate an offset correction procedure Recommend doing once a year 7 Installation 7 1 Connector panel Figure 7 1 p 11 shows the connector panel WARNING To prevent i...

Page 14: ...shown in Variable description p 15 In accordance with IEC 61724 1 2021 the DustVue calculates the daily soiling loss index during the hour before and the hour after solar noon Only the values showing...

Page 15: ...lements a correction factor into the measurement sequence to remove any effects that may be caused by differences in panel power output under identical conditions Carefully clean both panels before in...

Page 16: ...s and the offset correction is not needed the process can be aborted by accessing the DustVue through the assigned IP address and using Device Configuration Utility to reset the Offset Correction var...

Page 17: ...onmental conditions are stable True 1 False 0 Time_Status Variable indicating if the time of day is appropriate for performing soiling loss index calculations Geff_Status Variable indicating if the me...

Page 18: ...User entered latitude of site location Longitude_UserEntered User entered longitude of site location AlphaTest_UserEntered Published panel short circuit current Isc temperature coeffecient of the test...

Page 19: ...40014 C 30 150 ModbusData 8 Effective_Irradiance_Test 40015 40016 0 1200 W m2 ModbusData 9 Effective_Irradiance_Reference 40017 40017 0 1200 W m2 ModbusData 10 Reference_Module_Washed 40019 40020 0 1...

Page 20: ...solar noon to start measurements 40043 40044 0 2 Hrs ModbusData 23 User_Entered_Effective_Irradiance_ Threshold 40045 40046 100 500 W m2 ModbusData 24 RTU_Voltage 40047 40048 9 13 Volts ModbusData 25...

Page 21: ...ther manufacturer s products that are resold by Campbell Scientific are warranted only to the limits extended by the original manufacturer Refer to www campbellsci com terms warranty for more informat...

Page 22: ...ion or Repair Reference number contact your CAMPBELL SCIENTIFIC regional office Please write the issued number clearly on the outside of the shipping container and ship as directed For all returns the...

Page 23: ...cting using or maintaining or a tool stake or anchor come in contact with overhead or underground utility lines l Maintain a distance of at least one and one half times structure height 6 meters 20 fe...

Page 24: ...for wear and damage including corrosion stress cracks frayed cables loose cable clamps cable tightness etc and take necessary corrective actions l Periodically at least yearly check electrical ground...

Page 25: ...nfo campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India...

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