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DCDC18R

Boost Regulator

Revision: 10/2021

Copyright © 1999 – 2021

Campbell Scientific, Inc.

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Summary of Contents for DCDC18R

Page 1: ...DCDC18R Boost Regulator Revision 10 2021 Copyright 1999 2021 Campbell Scientific Inc ...

Page 2: ...n of this document Use the PDF reader bookmarks tab for links to specific sections 1 General Description 1 2 Specifications 1 3 Installation 2 4 Grounding 3 Figures 1 1 DCDC18R 1 3 1 Wiring for DCDC18R 2 3 2 DCDC18R on CR5000 3 4 1 Schematic of Charging and Grounding Circuitry 4 ...

Page 3: ...to the 17 VDC minimum required to charge the batteries in the CR3000 CR5000 or CR23X LA bases It can be conveniently bolted onto the side of the LA base next to the charger input FIGURE 1 1 DCDC18R Input Voltage 11 to 16 VDC Output Voltage 18 V 5 Quiescent Current 4 mA Maximum Output Current 1 Amp Maximum Input Current 2 25 Amps Power Conversion Efficiency 80 to 90 Temperature Range 40 to 60 C ...

Page 4: ...rference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The slow start boost regulator typically starts to work at a supply voltage of about 10 volts Supply voltages below 10 volts pass directly to V out through 2 Schottky diodes dropping the vol...

Page 5: ...its transient protection to work CONNECTIONS TO THE CHARGING INPUT DO NOT PROPERLY GROUND THE DATALOGGER The Ground connection should be made at the grounding lug on the wiring panel A full wave bridge rectifier is included on the CR3000 CR5000 and CR23X LA bases and the PS100 This creates a diode drop 0 7 V between the datalogger ground and the return side of the charging input FIGURE 4 1 If the ...

Page 6: ...the ground lug However unwanted ground loops that induce single ended measurement offsets will be generated if the terminals and the return side of the charging input are tied together because the return current to the DCDC18R will flow through the terminals FIGURE 4 1 Schematic of Charging and Grounding Circuitry ...

Page 7: ...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 information CAMPBELL SCIENTIFIC EXPRESSLY DISCLAIMS AND EXCLUDES ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Campbell Scientific hereby disclaims to the fullest extent allowe...

Page 8: ...tion 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 customer must provide a Statement of Product Cleanliness and Decontamination or Declaration of Hazardous Material and Decontamination form and comply with the requirements specified in it The form i...

Page 9: ...e and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers Use only manufacturer recommended parts materials and tools Utility and Electrical You can be killed or sustain serious bodily injury if the tripod tower or attachments you are installing constructing using or maintaining or a tool stake or anchor come in contact with overhead or ...

Page 10: ...info 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 91 11 46500481 482 info campbellsci in www campbellsci in South Africa Location Phone Email Website Stellenbosch South Africa 27 21 8809960 sales campbellsci co za www campbellsci co za Spain Locati...

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