Campbell WXT520 Instruction Manual

Weather transmitter
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WXT520 Weather Transmitter
Revision: 9/15
C o p y r i g h t
©
2 0 0 6 - 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 WXT520

  • Page 1 WXT520 Weather Transmitter Revision: 9/15 C o p y r i g h t © 2 0 0 6 - 2 0 1 5 C a m p b e l l S c i e n t i f i 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

    Air Temperature ................... 2 Relative Humidity ................3 Assembly ..................... 3 6. Installation ..............3 Mounting to a Campbell Scientific Crossarm ........3 IP66 Mounting Device ................. 3 Bird Spike Kit ..................4 Wiring Table ..................5 Commands ................... 6 Programming ..................
  • Page 8 Table of Contents A-3. Sensor Settings screen ..............A-3 A-4. Message Settings screen ..............A-3 Tables 6-1. Connections to Campbell Scientific Dataloggers ........ 5 6-2. SDI-12 Commands ................6...
  • Page 9: Introduction

    The WXT520’s SDI-12 signal can be measured by any of our SDI-12 equipped dataloggers. The WXT520 is about the size of our larger Gill radiation shield, making it ideal for use with our CR200(X)-series dataloggers in applications requiring quick, short-term deployment.
  • Page 10: Barometric Pressure, Temperature, And Relative Humidity

    Barometric Pressure, Temperature, and Relative Humidity The WXT520 has a PTU module that contains a capacitive silicon BAROCAP® sensor for barometric pressure measurements, a capacitive ceramic THERMOCAP® sensor for air temperature measurements, and a capacitive thin film polymer HUMICAP®...
  • Page 11: Relative Humidity

    The WXT520 is mounted to a CM202, CM204, or CM206 crossarm using the 18311 mounting tube, which is shipped with the WXT520. The 18311 mounting tube fits in the bottom of the WXT520, and is fastened to a crossarm via the CM220 Mounting Kit. Alternatively, the 17953 1-in. x 1-in.
  • Page 12: Bird Spike Kit

    FIGURE 6-1. Optional WXT520 IP66 Mounting Kit Bird Spike Kit The 25300 Bird Spike device is fastened on top of the WXT520 using the set screw provided (see FIGURE 6-2). This device is used to discourage birds from roosting on the WXT520. It consists of a metallic band with spikes pointing upward.
  • Page 13: Wiring Table

    Unless special ordered, the heater will not be operational for WXT520s purchased from Campbell Scientific. Although the heater is not operational, the WXT520 will have a pink and yellow wire. Do not connect the pink and yellow wire unless the heater...
  • Page 14: Commands

    WXT520. Both "aM!" and "aR!" commands are supported (where "a" is the sensor address). The preferred command is "aR!", since the communication is done in fewer steps. The WXT520 is configured to run continuously so the output is identical. TABLE contains the outputs as configured by Campbell Scientific.
  • Page 15: Example Cr1000 Program

    Scan(5,Sec,1,0) 'Dalogger Battery Voltage measurement 'BattV' Battery(BattV) 'Panel Temperature measurement 'PTemp_C' PanelTemp(PTemp_C,_60Hz) 'Reset WXT520 Sensor measurements Move(WXT(),7,NaN,1) 'WXT520 Weather Transmitter measurements 'WindDir', 'WindSpd', 'AirTemp', 'RelHumidity', 'AirPressure', 'Ramount', and 'Hamount' SDI12Recorder(WXT(),1,"0","R!",1,0) 'Call Data Tables and Store Data CallTable Table1 NextScan EndProg...
  • Page 16: Example Cr200(X) Program

    'Call Data Tables and Store Data CallTable Table1 NextScan EndProg 6.6.2 Edlog Programming Our CR500, CR510, CR10(X), and CR23X dataloggers are programmed with Edlog. These dataloggers use Instruction 105 to read the WXT520. Your datalogger manual has a detailed explanation of Instruction 105.
  • Page 17: Cr10X Program

    Delay After Ex (0.01 sec units) 4: 0 mV Excitation rain hail ; Get WXT520 Values 10 - 15 (Rc= amount, Rd= duration, Ri= intensity, Hc= amount, Hd= duration, Hi = intensity) 26: SDI-12 Recorder (P105) 1: 0 SDI-12 Address 2: 3 Start Measurement (aM3!) ;...
  • Page 18 WXT520 Weather Transmitter...
  • Page 19: Configuring The Wxt520

    1. Connect one end of the grey Configuration Cable to a COM port on the PC and the other end of the cable to the “Service” connector on the WXT520. 2. Connect a 9 V battery to the Configuration Cable’s battery clip. The female contact of the battery clip is (+).
  • Page 20: Sensor Settings Screen

    Appendix A. Configuring the WXT520 6. Go to the Device Settings Screen and enter the settings for each of the parameters (see FIGURE A-2). Default settings are: Device—Address: 0 • • Heating and self diagnostic—verify Enable Heating is NOT selected.
  • Page 21: Message Settings Screen

    Appendix A. Configuring the WXT520 FIGURE A-3. Sensor Settings screen 9. Click on the OK button. 10. Go to the Message Settings Screen and verify that Message Settings are as desired. The default settings are shown in FIGURE A-4. Note: Hail accumulation should be checked.
  • Page 22 Appendix A. Configuring the WXT520 11. Click on the OK button. 12. Close the WXT Configuration Tool. 13. Remove the 9 V battery. 14. Disconnect the Configuration Cable. 15. Secure protective service port cap on PTU.
  • Page 24 Santo Domingo, Heredia 40305 SOUTH AFRICA COSTA RICA • cleroux@csafrica.co.za • info@campbellsci.cc www.campbellsci.co.za www.campbellsci.cc Campbell Scientific Southeast Asia Co., Ltd. Campbell Scientific Ltd. 877/22 Nirvana@Work, Rama 9 Road Campbell Park Suan Luang Subdistrict, Suan Luang District 80 Hathern Road Bangkok 10250...

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