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Table 8-2: SDI-12 extended commands

SDI-12

command

1

Values returned or function

Comments

a

XRCAL!

Returns bucket calibration setting.

a

XWCAL

+

x.xxxx

!

(where

x.xxxx

=

calibration factor)

Writes bucket calibration setting;
returns 01 if it worked correctly.

1

a

is the sensor address.

8.3 SDI-12 version 1.4 identify measurement
commands and responses

Version 1.4 compliant sensors must respond to identify commands for each type 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 respond. The specific identify parameter commands will return a SHEF code, the
measurement units, and the type of measurement (sample, count, or average). For more
information, see the SDI-12 version 1.4 specification:

http://sdi-12.org/current_specification/SDI-

12_version-1_4-Jan-10-2019.pdf

.

Table 8-3: Identify commands for the RainVUE-series

Type of command

Command

Sensor response

Comment

Identify
measurement for

M

commands

a

IM!

,

a

IMC!

,

a

IM1!

,

a

IMC1!

atttn

ttt: response time
(seconds)

n: # of values returned

Identify
measurement for

C

commands

a

IC!

,

a

ICC!

,

a

IC1!

,

a

ICC1!

atttnn

ttt: response time
(seconds)

nn: # of values returned

Identify
measurement for the

V

command

a

IV!

atttn

ttt: response time
(seconds)

n: # of values returned

RainVUE-Series SDI-12 Precipitation Sensors

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Содержание RainVUE Series

Страница 1: ...Revision 11 2022 Copyright 2020 2022 Campbell Scientific Inc ...

Страница 2: ... 4 Mounting 9 8 Operation 15 8 1 SDI 12 measurements 15 8 2 SDI 12 extended commands 18 8 3 SDI 12 version 1 4 identify measurement commands and responses 20 8 4 Calculations 21 8 5 Device Configuration Utility 23 9 Maintenance and troubleshooting 27 9 1 Maintenance 28 9 1 1 Cleaning and replacing filters 28 9 1 2 Internal lithium battery 30 9 1 3 Updating the operating system 31 9 2 Troubleshooti...

Страница 3: ...Address query command 39 C 1 5 Change address command aAb 39 C 1 6 Start measurement commands aM 40 C 1 7 Start concurrent measurement commands aC 40 C 1 8 Start measurement commands with cyclic redundancy check aMC and aCC 42 C 1 9 Stopping a measurement command 42 C 1 10 Send data command aD0 aD9 42 C 1 11 Continuous measurement command aR0 aR9 43 C 1 12 Extended commands 43 C 2 SDI 12 transpare...

Страница 4: ...ty section at the back of this manual l RainVUE series is a precision instrument that must be handled with care l During installation remove the piece of foam from under the tipping mechanism This foam should be saved and used whenever the sensor is transported l Pull and remove the insulator tab used to prevent draining of the backup coin cell battery during shipping and storage The tab extends f...

Страница 5: ...ncluded in installations of LoggerNet RTDAQ and PC400 The following procedure shows how to use Short Cut to program the RainVUE series 1 Open Short Cut and click Create New Program 2 Double click the data logger model 3 In the Available Sensors and Devices box type RainVUE or find it in the Sensors Meteorological Precipitation folder and double click RainVUE10 RainVUE20 Rain Gauge Enter the correc...

Страница 6: ...sor then click OK 5 Repeat steps three and four for other 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 RainVUE Series SDI 12 Precipitation Sensors 3 ...

Страница 7: ...rated level then the tipping mechanism moves the second bucket under the funnel A magnet attached to the tipping mechanism actuates a reed switch as the bucket tips The outgoing water drains through outlets The aerodynamic design of the RainVUE series reduces the amount of rain that wind carries away from the collecting vessel With traditional cylindrical tipping bucket rain sensors wind can reduc...

Страница 8: ...ccuracy in windy conditions l Compliance with WMO recommendations for accuracy and funnel area l Adjustable mounting feet to simplify leveling l Tilt internal temperature and voltage measurements for remote diagnostics on the sensor l Compatible with CRBasic data loggers GRANITE series CR6 CR1000X CR800 series CR350 series CR300 series CR3000 CR1000 6 Specifications Sensor type Tipping bucket with...

Страница 9: ...ampbellsci com rainvue20 Table 6 1 RainVUE series comparison Specification RainVUE 10 RainVUE 20 Measurement range 0 01 inch option 0 to 1200 mm hr 0 to 48 in hr 0 1 mm option 0 to 500 mm hr 0 to 19 7 in hr 0 2 mm option 0 to 1000 mm hr 0 to 39 4 in hr 0 01 inch option 0 to 1200 mm hr 0 to 48 in hr 0 1 mm option 0 to 600 mm hr 0 to 23 6 in hr Precipitation amount resolution 0 01 inch option 0 254 ...

Страница 10: ...19 7 in hr 0 2 mm option 4 at 200 to 1 000 mm hr 7 9 to 39 4 in hr intensity 0 01 inch option 1 at 0 to 500 mm hr 0 to 19 7 in hr intensity 0 1 mm option 3 58 at 20 to 600 mm hr 0 8 to 23 6 in hr intensity Material White ASA LI 911 plastic Main collector body 2 mm thick powder coated aluminum Base LM6 marine grade aluminum Weight 2 kg 4 5 lb 6 kg 13 lb 1Accuracy over the rain intensity range requi...

Страница 11: ...or WaitDigTrig For example if the RainVUE series is connected to C3 on a CR1000X then C4 cannot be used in the TimerInput PulseCount or WaitDigTrig instructions 7 2 Data logger programming Short Cut is the best source for up to date programming code for Campbell Scientific data loggers If your data acquisition requirements are simple you can probably create and maintain a data logger program exclu...

Страница 12: ... depends on the command see Table 8 1 p 16 FillNAN and WaitonTimeout are optional parameters refer to CRBasic Help for more information A downloadable example program is available at www campbellsci com downloads rainvue example program 7 3 Siting Mount the RainVUE series in a relatively level location representative of the surrounding area Ensure that the funnel is horizontal Place the sensor awa...

Страница 13: ... 1 5 inch IPS 1 9 inch OD unthreaded pipe Mounting poles may be placed directly into a concrete foundation attached to a concrete foundation with J bolts or self supported with three legs see Figure 7 1 p 10 Figure 7 1 CM300 series mounting options RainVUE Series SDI 12 Precipitation Sensors 10 ...

Страница 14: ...he sensor using the nuts and washers provided The hardware used to mount the feet are shipped in a bag with the feet Figure 7 2 RainVUE series feet 2 Loosen and remove the three base thumb screws then lift the funnel upward Figure 7 3 Thumb screw on RainVUE 20 RainVUE Series SDI 12 Precipitation Sensors 11 ...

Страница 15: ...on the bracket Figure 7 5 Exploded view of RainVUE series and CM241 bracket wing nuts and pole not shown 5 Loosely secure the RainVUE series to the CM241 using the washers and wing nuts 6 Place the CM241 on the pole or pipe and secure it to the pole or pipe by tightening the screws with a Phillips screwdriver see Figure 7 4 p 12 and Figure 7 8 p 14 RainVUE Series SDI 12 Precipitation Sensors 12 ...

Страница 16: ...ubble level locations on the RainVUE series 8 Once the RainVUE series is level tighten the wing nuts by hand and recheck the level 9 During installation remove the piece of foam from under the tipping mechanism This foam should be saved and used whenever the sensor is transported 10 Tip the tipping assembly several times to ensure the tipping mechanism can move freely RainVUE Series SDI 12 Precipi...

Страница 17: ...es interface to inside the RainVUE series Figure 7 7 RainVUE series interface and insulator tab 12 Replace the funnel and tighten the three base thumb screws to secure the funnel to the base Figure 7 8 RainVUE series mounted on a pole 13 Join the extension cable connector to the cable connector Only hand tighten the connectors RainVUE Series SDI 12 Precipitation Sensors 14 ...

Страница 18: ...the sensor finishes sooner the sensor will send a service request to the data logger indicating data can be collected After receiving the service request or waiting the indicated time the data logger will send the D command to collect the data The C command follows the same pattern as an M command except it does not require the data logger to pause its operation until the values are ready Rather t...

Страница 19: ...umulator reset2 1 mm or inch 2 Count 3 mm or inch 4 mm hr or in hr 5 mm hr or in hr Each tip event adds to the tip counter 2 and computes the values described in Calculations p 21 Commands reset measurement accumulator aM1 1 Supply voltage 2 Temperature 3 Sensor level 4 Time since last measurable precipitation event 5 Lithium battery voltage 1 VDC 2 C 3 Degrees from normal flat 4 Days 5 VDC aMC1 a...

Страница 20: ...set2 5 Maximum peak intensity since last measurement accumulator reset2 1 mm or inch 2 Count 3 mm or inch 4 mm hr or in hr 5 mm hr or in hr Each tip event adds to the tip counter 2 and computes the values described in Calculations p 21 Command does not reset accumulators aI a14CampbellRainVU vvvSN xxxxxxx SDI 12 address a SDI 12 version 14 Vendor Campbell Model RainVU Model version vvv RainVUE 10 ...

Страница 21: ...ended commands Enter the SDI 12 extended commands in Table 8 2 p 18 using the transparent mode while the computer is communicating with the data logger through a terminal emulator program It is accessed through Campbell Scientific Device Configuration Utility software or other terminal emulator programs Data logger keyboards and displays cannot be used Refer to SDI 12 transparent mode p 44 for mor...

Страница 22: ...of the leveling process s 0 Success s 1 Error cannot zero the sensor Mechanically balance the sensor then issue this command aXRTILT Reads the tilt angle degrees of the tilt sensor When this command is issued right after the sensor is zeroed it should return 0 00 degrees verifying the RainVUE series is level aXTEST Returns two lines of header information then returns updated data at every tip and ...

Страница 23: ... the time it will take the sensor to respond The specific identify parameter commands will return a SHEF code the measurement units and the type of measurement sample count or average For more information see the SDI 12 version 1 4 specification http sdi 12 org current_specification SDI 12_version 1_4 Jan 10 2019 pdf Table 8 3 Identify commands for the RainVUE series Type of command Command Sensor...

Страница 24: ...otal intensity corrected precipitation since last reset Units inches or mm Identify measurement parameter 004 of M command aIM_004 aAvgInt Inches Hour or aAvgInt mm Hour AvgInt average precipitation intensity since last measurement Units inches hour or mm hour Identify measurement parameter 005 of M command aIM_005 aMaxInt Inches Hour or aMaxInt mm Hour MaxInt maximum peak precipitation intensity ...

Страница 25: ...tween tips and each tip is adjusted giving the best performance possible For example when the RainVUE series has the 0 01 inch tip option instead of applying 0 01 inch for each tip the algorithm generates a compensated value to account for flow rates 1 in hr 2 Number of tips calculation Each tip event adds to the tip counter 3 Total accumulation calculation New total accumulation total accumulatio...

Страница 26: ...to change the SDI 12 address view sensor measurements collect data and update an operating system see Updating the operating system p 31 1 Loosen and remove the three base thumb screws then lift the funnel upward 2 Use a Phillips 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 RainVUE Seri...

Страница 27: ...ting the cable to the computer 7 Use the supplied USB cable to connect the RainVUE series USB port to the computer USB port 8 Select the Communication 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 series to the computer 9 Click Connect RainVUE Series SD...

Страница 28: ...ation in the Bucket Calibration box 11 Click the Status tab to view tip counts accumulation and intensity information 12 Click the Clock Control tab to change the Reference Clock Setting Click Set Clock to manually initiate a clock check of the reference time and station time RainVUE Series SDI 12 Precipitation Sensors 25 ...

Страница 29: ...ou want to display 14 Click the Data Collection tab to manually collect data Check the Destination Directory and File Format to make sure the files are where you want them and in the right format Select Collect Mode tables then click Start RainVUE Series SDI 12 Precipitation Sensors 26 ...

Страница 30: ...tions require a returned material authorization RMA and completion of the Statement of Product Cleanliness and Decontamination form Refer to the Assistance page near the end of this manual for more information This section discusses the following 9 1 Maintenance 28 9 2 Troubleshooting 32 RainVUE Series SDI 12 Precipitation Sensors 27 ...

Страница 31: ... is visible after removing the funnel 5 Clean dirt from the tipping bucket Avoid tipping the bucket if the RainVUE series is still connected to the data logger 6 If the data logger is disconnected check the tipping mechanism for stiffness a Try to balance the bucket in its center position It should be extremely difficult or impossible to balance b If the bucket balances easily closely examine the ...

Страница 32: ...igure 9 2 Stainless steel mesh screen filter Filter cleaning and replacement procedure 1 Unscrew the end cap from the filter tube 2 Remove the funnel filter RainVUE Series SDI 12 Precipitation Sensors 29 ...

Страница 33: ...frequency of rain detections and SDI 12 measurement request The M1 and IM1_005 SDI 12 commands report the lithium battery voltage see Table 8 1 p 16 and Table 8 3 p 20 Replace the battery when voltage is approximately 2 7 VDC Campbell Scientific recommends replacing the battery every two to three years and after each loss of power event High temperatures can reduce the battery life and low tempera...

Страница 34: ...ace and secure with the four screws 6 Replace the funnel and tighten the three base thumb screws by hand to secure the funnel to the base 9 1 3 Updating the operating system 1 Go to www campbellsci com downloads rainvue os click Download Now and click Save File This will download an exe file onto your computer 2 Double click the exe file This will save the operating system file in C Campbellsci Li...

Страница 35: ... 1 Verify that the RainVUE series is wired correctly Table 7 1 p 8 NOTE Connect the power wire to the data logger 12V terminal and not the SW12 terminal 2 Verify that power to the RainVUE series is in the appropriate range 6 to 18 VDC 3 Verify that the correct SDI 12 address is being used when communicating with the RainVUE series Use the transparent mode to verify that the data logger can communi...

Страница 36: ...ext to a leveling foot the RainVUE 20 bubble level is visible after removing the funnel 5 Check that the wires and connections between the switch and the interface are secure 6 Verify that no obstacles are preventing rain from entering the funnel Symptom Reported data values are higher than expected Solution 1 Verify that the tipping mechanism is not stuck near the center of its movement from one ...

Страница 37: ...ment NOTE Once the file is edited with CRBasic Editor Short Cut can no longer be used to edit the program 2 To add the Short Cut wiring information into the new CRBasic program open the DEF file located in the C campbellsci SCWin folder Copy the wiring information which is at the beginning of the DEF file 3 Go into the CRBasic program and paste the wiring information at the beginning of the progra...

Страница 38: ...alidate 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 on the 0 01 inch rain gage at a rate of 2 inches of rain per hour or slower Initially the command sends the following header information Raw Tip Corrected Rain Fall Total Rain Fall Balance For e...

Страница 39: ...e simulated rain is run through the gage 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 value represents how balanced the tipping mechanism is as it tips from one side to the other If the gage needs to be adjusted it is best to try to keep the balance as close to 50 percent as possible The ...

Страница 40: ...ode videos C 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 are connected to the same port l Command body an uppercase letter the command optionally followed by one or more alphanumeric qualifiers l Command termination an exclamation mark An active s...

Страница 41: ... a values CR 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 sensor responds with its address C 1 2 Send identification command al Sensor identifiers are requested by issuing command aI The reply is defined by the sensor manufacturer but usually inc...

Страница 42: ...tt time in seconds until verification information is available fff firmware OS version hhh hardware version n 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 to the query with the address a This command should only be used with one sensor on the SDI 12 bus at a time...

Страница 43: ...t measurement time ttt Table C 2 Example aM sequence 0M The data logger makes a request to sensor 0 to start a measurement 00352 CR LF Sensor 0 immediately 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 logger 0D0 The data logger immediately issues the fi...

Страница 44: ...lection within the next 30 030 seconds YC The data logger makes a request to sensor Y to start a concurrent measurement Y04006 CR LF Sensor Y immediately indicates that it will have six 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 Z immediately indicates that it will have ten 10 va...

Страница 45: ...ode is not returned in the data table but checked by the data logger as it comes The code returned is based on the SDI 12 protocol See the SDI 12 communication specification for version 1 4 available at www sdi 12 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 compl...

Страница 46: ...f data was requested with aMC or aCC C 1 11 Continuous measurement command aR0 aR9 Sensors that are able to continuously monitor the phenomena to be measured can be read directly with the R commands R0 R9 The response to R commands mirrors the send data command aD0 A maximum of 75 characters can be returned in the values part of the response to the R command C 1 12 Extended commands Many sensors s...

Страница 47: ...re Watch videos sdi12 sensors transparent mode from the Campbell Scientific website Data loggers from other manufacturers will also have a transparent mode Refer to those manuals for information on how to use their transparent mode The following examples show how to enter transparent mode and change the SDI 12 address of an SDI 12 sensor The steps shown in Changing an SDI 12 address p 44 are used ...

Страница 48: ...until the data logger responds with the data logger CR1000X prompt 8 Type SDI12 and press Enter 9 At the Select SDI12 Port prompt type the number corresponding to the control port where the sensor is connected and press Enter In this example the sensor is connected to C3 The RainVUE Series SDI 12 Precipitation Sensors 45 ...

Страница 49: ...evious step and b is the new address Press Enter The sensor changes its address and responds with the new address In the following example the sensor address is changed from 0 to B 12 To exit SDI 12 transparent mode click Close Terminal NOTE The transparent mode for the Granite series CR6 CR3000 CR800 series CR300 series data loggers is similar to that shown for the CR1000X C 3 References SDI 12 S...

Страница 50: ...Other 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 allow...

Страница 51: ...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...

Страница 52: ...prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l 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 un...

Страница 53: ...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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