Campbell 28370 Instruction Manual

24 vdc power supplies

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24 Vdc Power Supplies
2/15
C o p y r i g h t
©
2 0 1 5
C a m p b e l l
S c i e n t i f i c ,
I n c .

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Summary of Contents for Campbell 28370

  • Page 1 24 Vdc Power Supplies 2/15 C o p y r i g h t © 2 0 1 5 C a m p b e l l S c i e n t i f i c , I n c .
  • Page 3 Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service for twelve months from the date of shipment unless otherwise specified in the corresponding product manual. (Product manuals are available for review online at www.campbellsci.com.) Products not manufactured by CSI, but that are resold by CSI, are warranted only to the limits extended by the original manufacturer.
  • Page 4 SCIENTIFIC, INC., phone (435) 227-9000. After an application engineer determines the nature of the problem, an RMA number will be issued. Please write this number clearly on the outside of the shipping container. Campbell Scientific’s shipping address is: CAMPBELL SCIENTIFIC, INC.
  • Page 5 • Periodically (at least yearly) check electrical ground connections. WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS SUCH AS SENSORS, CROSSARMS, ENCLOSURES, ANTENNAS, ETC.
  • Page 7: Table Of Contents

    4. Specifications ............. 4 5. Installation ..............5 6. Troubleshooting............14 Figures 1-1. 3.8 A (pn 28370), 10 A (pn 28371), and 20 A (pn 28372) power supplies ..................... 1 3-1. 24 Vdc power supply kit contents ............2 5-1.
  • Page 9: Introduction

    (pn 28371), and 20 Amps (pn 28372). Verify the power supply provides adequate amperage for all system components that will be connected to the power supply. FIGURE 1-1. 3.8 A (pn 28370), 10 A (pn 28371), and 20 A (pn 28372) power supplies Cautionary Statements...
  • Page 10: Initial Inspection

    Initial Inspection The 24 Vdc power supply kit includes a 24 Vdc power supply, terminal blocks, circuit breaker, and the hardware required to mount the kit inside a Campbell Scientific enclosure (see FIGURE 3-1). Ensure all components are present (see TABLE 3-1).
  • Page 11: Parts List

    24 Vdc Power Supplies TABLE 3-1. Parts List Item Quantity Power Supply 15 A Circuit Breaker End Cap (Gray) End Cap (Green/Yellow) Terminal Block (Gray) 3 x 6 Terminal Block 3 x 6 End Cap AC Black Wire AC White Wire AC Green Wire 3 (2 in 3.8 A kit) DC Black Wire...
  • Page 12: Specifications

    24 Vdc Power Supplies Specifications Specification pn 28370 pn 28371 pn 28372 Nominal input voltage 100 to 240 Vac 100 to 240 Vac 100 to 240 Vac AC input voltage range 85 to 264 Vac 85 to 264 Vac 85 to 264 Vac...
  • Page 13: Installation

    24 Vdc Power Supplies Installation The power supply kit is mounted on a DIN rail inside a Campbell Scientific enclosure. Each component will snap onto the DIN rail as shown in FIGURE 5-1. All wire gauge descriptions in these instructions are for the 3.8 A NOTE and 10 A power supply kits.
  • Page 14: Din Rail Components Prior To Wiring

    24 Vdc Power Supplies 1. FIGURE 5-2 shows the components of the kit mounted on a DIN rail. From left to right, these include a 3-tier grounding terminal block, a ground terminal block, a neutral terminal block, a line terminal block, the circuit breaker, and the 3.8 A power supply.
  • Page 15: Connecting The L Terminal To The Circuit Breaker

    24 Vdc Power Supplies 2. Connect a black 14 AWG wire between the bottom of the breaker and the L (+) terminal on the power supply (FIGURE 5-3). FIGURE 5-3. Connecting the L terminal to the circuit breaker 3. Connect a black 14 AWG wire between the top of the breaker and the L terminal block (FIGURE 5-4).
  • Page 16: Connecting The N Terminal Block To The Power Supply

    24 Vdc Power Supplies 4. Connect a white 14 AWG wire between the N terminal block and the N(–) terminal on the power supply (FIGURE 5-5). FIGURE 5-5. Connecting the N terminal block to the power supply...
  • Page 17: Connecting The 3-Tier Ground Terminal Block To The Datalogger

    24 Vdc Power Supplies 5. Connect the 3-tier ground terminal block to the datalogger (not included) ground point using a green/yellow 14 AWG ground wire (FIGURE 5-6). The remaining points on the terminal block are intended for additional accessories with ground lugs, such as the AVW200 or the SDM-CD8. FIGURE 5-6.
  • Page 18: Connecting The 3-Tier Ground Terminal Block To The Enclosure

    24 Vdc Power Supplies 6. Connect the bottom-side of the 3-tier grounding terminal to the enclosure ground lug (FIGURE 5-7). FIGURE 5-7. Connecting the 3-tier ground terminal block to the enclosure ground lug...
  • Page 19: Connecting The Power Supply To The Charging Regulator

    24 Vdc Power Supplies 7. Use the included 16 AWG red and black wires to connect the output (+) and (–) terminals of the power supply to the two (2) CHG inputs on the CH150, or CH200 (not included in the kit). See FIGURE 5-8. Use the red wire for the + terminal and the black wire for the –...
  • Page 20: Connecting The Charging Regulator To The Datalogger

    24 Vdc Power Supplies 8. Use 16 AWG red and black wires to connect the CH150 or CH200 +12 and G terminals to the G and 12V on the datalogger (FIGURE 5-9). Use the red wire for the 12V terminals and the black wire for the G terminals. FIGURE 5-9.
  • Page 21: Power Supply Wiring

    24 Vdc Power Supplies 9. FIGURE 5-10 shows an overview of the complete 10 amp kit Campbell Scientific pn 28371. The CR800 and CH100 are not included in the kit. The 10 A power supply has a ground terminal, and requires a 14 AWG green wire to be connected between the ground terminal on the power supply and the G (green) terminal block as shown.
  • Page 22: Troubleshooting

    24 Vdc Power Supplies 10. FIGURE 5-11 shows an overview of the complete 20 amp kit Campbell Scientific pn 28372. The CR800 and CH100 are not included in the kit. The 20 A power supply has a ground terminal, and requires a 14 AWG green wire to be connected between the ground terminal on the power supply and the G (green) terminal block as shown.
  • Page 23: Vdc Power Supply Dc Ok Led

    24 Vdc Power Supplies FIGURE 6-1. 24 Vdc power supply DC OK LED If the ‘DC OK’ LED is lit, next look at the charging regulator. Campbell Scientific charging regulators include an LED that will light to indicate a valid charge source is found.
  • Page 24 24 Vdc Power Supplies...
  • Page 26 • info@campbellsci.com.cn • info@campbellsci.de www.campbellsci.com www.campbellsci.de Campbell Scientific do Brasil Ltda. (CSB) Campbell Scientific Spain, S. L. (CSL Spain) Rua Apinagés, nbr. 2018 ─ Perdizes Avda. Pompeu Fabra 7-9, local 1 CEP: 01258-00 ─ São Paulo ─ SP 08024 Barcelona...

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2837128372

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