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Campbell RainVUE SDI-12 Series, Product Manual

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Campbell RainVUE SDI-12 Series Product Manual Download Page 28

8.4 Rainfall intensity correction

During intense rainfall, extra water can accumulate in the bucket before the tipping mechanism
tips. The following graph shows the relationship between bucket volume and rainfall rate. The
RainVUE-series includes a microprocessor that corrects for the intensity sensitivity of the bucket
mechanism. This correction adjusts the rainfall rate based on the time between bucket tips. An
electronic timer precisely measures the time between tips.

8.5

Device Configuration Utility

Use

Device Configuration Utility

to change the SDI-12 address, view sensor measurements, and

update an operating system.

RainVUE-Series SDI-12 Precipitation Sensors

18

Summary of Contents for RainVUE SDI-12 Series

Page 1: ...10 2020 Copyright 2020 Campbell Scientific CSL I D 1359...

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Page 3: ...under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should be accompanied by a purchase order Quotations for repairs can be give...

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Page 5: ...cell phones and aerials may also not be applicable according to your locality Some brackets shields and enclosure options including wiring are not sold as standard items in the European market in some...

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Page 7: ...beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit cl...

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Page 9: ...12 extended commands 14 8 3 SDI 12 version 1 4 identify measurement commands and responses 16 8 4 Rainfall intensity correction 18 8 5 Device Configuration Utility 18 9 Maintenance and troubleshooting...

Page 10: ...tart concurrent measurement commands aC 32 C 1 8 Start measurement commands with cyclic redundancy check aMC and aCC 34 C 1 9 Stopping a measurement command 34 C 1 10 Send data command aD0 aD9 34 C 1...

Page 11: ...autions l READ AND UNDERSTAND the Safety section at the front of this manual l RainVUE series is a precision instrument that must be handled with care l Remove the piece of foam from under the tipping...

Page 12: ...installations of LoggerNet RTDAQ PC400 and PC200W The following procedure also shows using Short Cut to program the RainVUE series 1 Open Short Cut and click Create New Program 2 Double click the data...

Page 13: ...er sensors you want to measure Click Next 6 In Output Setup type the scan rate a Table Name and Data Output Storage Interval Click Next NOTE Because of the delays using SDI 12 Campbell Scientific reco...

Page 14: ...ism assembly rotates around a pivot point The tipping mechanism tips when the first bucket fills to a fixed calibrated level then the tipping mechanism moves the second bucket under the funnel A magne...

Page 15: ...RANITE series CR6 CR3000 CR1000X CR800 series CR300 series and CR1000 6 Specifications Sensor type Tipping bucket with magnetic reed switch Rainfall per tip 0 01 in 0 254 mm Output SDI 12 version 1 4...

Page 16: ...7 1 Siting Mount the RainVUE series in a relatively level location representative of the surrounding area Ensure that the funnel is horizontal Place the sensor away from objects that obstruct the wind...

Page 17: ...1 5 in IPS 1 9 in OD unthreaded pipe Mounting poles are placed directly into a concrete foundation attached to a concrete foundation with the J bolts or are self supporting with three legs see FIGURE...

Page 18: ...sor 1 Loosen and remove the three base thumb screws then lift the funnel upward FIGURE 7 2 Thumbscrew on RainVUE 20 2 Remove the wing nuts and washers from the CM241 mounting bracket FIGURE 7 3 CM241...

Page 19: ...M241 on the pole or pipe and secure it to the pole or pipe by tightening the screws with a Philips screwdriver see FIGURE 7 3 p 8 and FIGURE 7 6 p 10 6 Adjust the three levelling feet on the RainVUE s...

Page 20: ...e the insulator tab used to prevent draining of the backup coin cell battery during shipping and storage The tab extends from the bottom of the RainVUE series interface inside the RainVUE series FIGUR...

Page 21: ...minal is used for a triggering instruction such as TimerInput PulseCount or WaitDigTrig For example if the RainVUE series is connected to C3 on a CR1000X C4 cannot be used in the TimerInput PulseCount...

Page 22: ...Destination parameter must be an array The required number of values in the array depends on the command see Table 8 1 p 13 FillNAN and WaitonTimeout are optional parameters refer to CRBasic Help for...

Page 23: ...le at www sdi 12 org Table 8 1 SDI 12 measurement commands SDI 12 command1 Values returned Units Comments aM aMC aC aCC aR0 aRC0 1 Intensity corrected accumulation since last M MC C CC R0 or RC0 comma...

Page 24: ...ators aI 014CampbellRain20100SN xxx Where xxx is the serial number not applicable NA aV 1 Hardware Revision starting at 1 2 Reset Code 2 Power On 11 OS Update 12 Watchdog Timeout NA 1a is the sensor a...

Page 25: ...h the aD0 command to get the new adjusted rain Used when replacing the RainVUE series midway through a water year aXRESET Resets all accumulators aXWTILT Zero tilt sensor XWTILT status Returns a statu...

Page 26: ...of measurement command and each parameter with a command The broad identify commands return how many variables will be returned with a given measurement command and the time it will take the sensor to...

Page 27: ...et tips since last measurement counts Units counts Identify measurement for parameter 3 of M command aIM_003 aTotAdjRain Inches or aTotAdjRain mm TotAdjRain total adjusted or total intensity corrected...

Page 28: ...includes a microprocessor that corrects for the intensity sensitivity of the bucket mechanism This correction adjusts the rainfall rate based on the time between bucket tips An electronic timer preci...

Page 29: ...Philips screwdriver to remove the four screws on the RainVUE series interface 3 Remove the interface cover to access the USB port 4 Open Device Configuration Utility 5 Type RainVUE series in the Devi...

Page 30: ...cation Port in the left panel RAINVUE will appear in the selection dialog NOTE It may take a few seconds for the Communication Port to become available for use after physically connecting the RainVUE...

Page 31: ...lace cable if damaged 2 Inspect the funnel for any damage or blockage To clear a blockage remove the funnel from the base and remove debris 3 Clean the filter using the following procedure a Unscrew t...

Page 32: ...t request The M1 and IM1_005 SDI 12 commands report the lithium battery voltage see Table 8 1 p 13 and Table 8 3 p 16 Replace the battery when voltage is approximately 2 7 VDC Campbell Scientific reco...

Page 33: ...e the funnel to the base 9 1 2 Updating operating system 1 Go to www campbellsci com download rainvue os click Download Now and click Save File This will download an exe file on your computer 2 Double...

Page 34: ...Solution 1 Verify the RainVUE series is wired correctly Table 7 1 p 11 NOTE Connect the power wire to the data logger 12V terminal and not the SW12 terminal 2 Verify the power to the RainVUE series i...

Page 35: ...nel needs to be removed to view the bubble level 5 Check the wires and connections between the switch and the interface are secure 6 Verify no obstacles are preventing rain from entering the funnel Sy...

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Page 37: ...ditional refinement NOTE Once the file is edited with CRBasic Editor Short Cut can no longer be used to edit the program it created 2 To add the Short Cut wiring information into the new CRBasic progr...

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Page 39: ...e the calibration first run a fixed amount of water through the RainVUE series then use the XTEST command and compare the results A common amount of simulated rain is 946 ml which equates to 115 tips...

Page 40: ...e simulated rain is ran through the gauge at a fast rate the number of tips may be lower than expected but the corrected rain fall should be close to the actual amount of simulated rain The balance va...

Page 41: ...1 SDI 12 command basics SDI 12 commands have three components l Sensor address a a single character and the first character of the command Use the default address of zero 0 unless multiple sensors ar...

Page 42: ...R LF 1 Information on each of these commands is given in the following sections C 1 1 Acknowledge active command a The Acknowledge Active command a is used to test a sensor on the SDI 12 bus An active...

Page 43: ...is available n the number of values to be returned when one or more subsequent D commands are issued C 1 4 Address query command Command requests the address of the connected sensor The sensor replies...

Page 44: ...ely indicates that it will return two values within the next 35 seconds 0 CR LF Within 35 seconds sensor 0 indicates that it has completed the measurement by sending a service request to the data logg...

Page 45: ...iately indicates that it will have 6 06 values ready for collection within the next 40 040 seconds ZC The data logger makes a request to sensor Z to start a concurrent measurement Z02010 CR LF Sensor...

Page 46: ...2 org to learn more about how the CRC code is developed C 1 9 Stopping a measurement command A measurement command M is stopped if it detects a break signal before the measurement is complete A break...

Page 47: ...lues part of the response to the R command C 1 12 Extended commands Many sensors support extended SDI 12 commands An extended command is specific to a make of sensor and tells the sensor to perform a...

Page 48: ...the SDI 12 address of an SDI 12 sensor The steps shown in Changing an SDI 12 address p 36 are used with most Campbell Scientific data loggers Changing an SDI 12 address CR200 X Series p 38 lists the s...

Page 49: ...its SDI 12 address If no characters are typed within 60 seconds the mode is exited In that case simply type SDI12 again press Enter and type the correct control port number when prompted 10 To change...

Page 50: ...logger responds with the CR2XX prompt 7 Type SDI12 and press Enter 8 The response SDI12 indicates that the sensor is ready to accept SDI 12 commands 9 To query the sensor for its current SDI 12 addres...

Page 51: ...0 to 1 C 3 References SDI 12 Support Group SDI 12 A Serial Digital Interface Standard for Microprocessor Based Sensors Version 1 4 River Heights UT SDI 12 Support Group 2017 http www sdi 12 org curre...

Page 52: ...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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