CS475, CS476, and CS477 Radar Water Level
Contents
1. i 22 Checking CRC Example nooo nono eiei 23 Description of Changing the Electronics Labels 26 Description of Instrument Housing Labels A 2 SDI 12 Commands iuniole ana E a EEE r E oee t B 2 SDI 12 Command for Querying the Address eeeeeees B 3 Example of Setting Address ii B 4 Example of Setting Units eeeeeeceeeeeseensecesecsseenaeesaeeaee B 4 Example for Setting Water Conditions B 5 Example for Setting Power Operation Mode B 5 CS475 CS476 and CS477 Radar Water Level Sensor 1 Introduction The CS475 CS476 and CS477 are radar ranging sensors that monitor the water level of rivers lakes tidal seas and reservoirs They output a digital SDI 12 signal to indicate distance and stage Many of our dataloggers can read the SDI 12 signal Before using these radar sensors please study e Section 2 Cautionary Statements e Section 3 Initial Inspection e Section 4 Quickstart 2 Cautionary Statements e Follow country specific installation standards prevailing safety regulations accident prevention rules and this manual s safety instructions e Depending on the model the emitting frequencies of these radar sensors are either in the C or K band range Their low transmitting power is well below the internationally permitte2. Table 5 1 Description of Components and Hardware Labels A CS475 B CS476 or CS477 1 Mounting Loop 2 PULS Housing Side Cap 3 PULS Housing Cap 4 PULS Unit Secondary 1 2 NPT Cable Port Primary Port on Opposite Side 5 PULS Instrument Horn 6 5 8 Hex Head Cap Screw and Lock Washer 7 Swivel Mounting Flange 6 Specifications Features e FCC compliant e Ideal for areas where submersed sensors can be damaged due to corrosion contamination flood related debris lightning or vandalism e Compatible with most Campbell Scientific dataloggers including the CR200 X series 10 User Manual e Low maintenance no moving parts significantly reduces maintenance cost and time e Low power consumption e Rugged enough for harsh environments NEMA rated 4X e Individual FCC license not required Compatibility Dataloggers CR200 X series CR800 series CR1000 CR3000 CR5000 CR500 CR510 CR10 X CR23X Measurement Range see Figure 6 1 CS475 50 mm to 20 m 2 in to 65 ft CS476 50 mm to 30 m 2 in to 98 ft CS477 400 mm to 70 m 16 in to 230 ft Reference line CS476 CS477 R A Reference line Figure 6 1 Reference line for measurement range Accuracy CS475 5 mm 0 2 in CS476 3 mm 0 1 in CS477 15 mm 0 6 in Resolution 1 mm 0 0033 ft Output Protocol SDI 12 11 CS475 CS476 and CS477 Radar Water Level Sensor
3. 26 Connecting the instrument housing see Table A 1 for description Of labels A 2 SDI 12 transparent mode on CR200 X series datalogger using control port C1 SDI12 and changing SDI 12 address from Dto ciao eli ad ii B 7 SDI 12 transparent mode on CR1000 datalogger using control port 1 and changing SD1 12 address from 3 to 1 B 8 SDI 12 transparent mode on CR10X datalogger using control port 1 and changing SDI 12 address from 0 to 1 B 9 SDI 12 transparent mode on CR10X PB table based datalogger using control port 1 and changing SDI 12 address from 0 to 1 B 10 Tables 4 1 4 2 4 3 4 4 4 5 4 6 5 1 7 1 7 2 8 1 8 2 8 3 8 4 8 5 B 1 B 2 B 4 B 5 B 6 PA naro ana palesa lo Aaron 2 Radiation Beam Spread for CS475 10 Beam Angle 3 Radiation Beam Spread for CS476 CS477 8 Beam Angle 3 Description of Polarization Markings LabelSs 4 Example of a Start False Echo Learn Command 5 Example for Setting Water Stage 5 Description of Components and Hardware Labels 10 Wiring Dia gran u aaa 17 SDI 12 Command Codes nono nocnnccnncon corno 18 Example of Start Measurement Command ine 21 Acknowledge Active Command 22 Send Identification COmmand
4. e 0 OFF this mode is typically not recommended sensor is completely off until a new set power command is received The OFF power mode should only be used by advanced users who want to turn the sensor off for extended time periods In this mode the sensor is completely off and only responds to a new set power command The factory default Power Operation Mode is 1 ON In this mode of operation the instrument is continuously making measurements and draws approximately 13 5 mA The AUTO Power Operation Mode puts the instrument in quiescent mode between measurement request queries Change this setting by first using the aXSPOM n command where n 1 on 2 auto or 0 off followed by the aXGPOM Get Power Mode command Table B 6 shows an example of the command and response for changing this setting Table B 6 Example for Setting Power Operation Mode Initial Command Response 0XSPOM 2 00011 lt cr gt lt If gt B 5 Appendix B SDI 12 Commands Changing Settings Where Where from left to right O sensor s address O sensor s address 2 the new power mode setting 001 the amount of time in seconds 2 auto that you must wait before sending another data command 1 the number of values that will be placed in the buffer Subsequent Command Response aXGPOM 0 2 lt cr gt lt If gt Where zero is the sensor address Where This is the get power mode O sensor s address co
5. iii aLaaa ana 26 A Replacing the Cable Ao B SDI 12 Commands Changing Settings B 1 B 1 B 2 SDI 12 Command Descriptions ie B 2 B 1 1 Start False Echo Learn io B 2 Bel 2 Set Water APO B 3 B 1 3 Query Set the Address i B 3 Bel 4 Set Units moria edie ever tient anodes B 4 B 1 5 Set Water Conditions i B 4 B 1 6 Set Power Operation Mode ie B 5 Using Terminal Emulator and a Datalogger to Send Commands B 6 B 2 1 SDI 12 Transparent Mode ie B 6 B 2 2 CR200 X Series Datalogger Example eects B 6 B 2 3 CR1000 Datalogger Example ee eeeeeeeeeeeeeseensees B 7 B 2 4 CRIOX Datalogger Example ceeceeeeeeeeeeeeeeeeeeensees B 8 B 2 5 CR10X PB Table Based Datalogger Example B 9 C FCC IC Equipment Authorization USA Canada A A O Figures 6 1 6 2 8 1 A 1 B 2 B 3 B 4 Polarization markings see Table 4 4 for label descriptions 4 CS475 CS476 and CS477 ein 9 Components and hardware see Table 5 1 for description of Ladies 10 Reference line for measurement range i 11 CS475 dimensions iii a ia 13 CS476 CS477 dimensions ii 14 Changing the electronics see Table 8 5 for label descriptions
6. 6 1 Radar Unit Frequency Electromagnetic Compatibility Pulse Energy Beam Angle CS475 CS476 CS477 Power Requirements Input Voltage Surge Protection 26 GHz Emission to EN 61326 Electrical Equipment Class B 1 mW maximum 10 3 in dia horn 8 4 in dia horn 9 6 to 16 Vdc 1 5 KVA Typical Current Drain with 12 V Power Supply Sleeps Measurement 6 2 Environmental Operating Temperature Range Storage Ranges Temperature Relative Humidity Temperature Sensitivity Vibration Resistance 12 4 7 mA 14 mA 40 to 80 C 40 to 80 C 20 to 80 RH average TK 2 mm 10 K max 5 mm over the entire temperature range of 40 to 80 C Mechanical vibrations with 4 g and 5 to 100 Hz User Manual 6 3 Physical See Figure 6 2 and Figure 6 3 for dimensions Rating NEMA 4x Housing Material Aluminium coated IP66 68 Horn Material 316L stainless steel Weight CS475 2 kg 4 Ib CS476 CS477 4 3 kg 9 4 Ib 15 mm 0 6 in 3 in lt 115 mm gt 4 5 in Figure 6 2 CS475 dimensions 13 CS475 CS476 and CS477 Radar Water Level Sensor 430 mm 16 9 in gt 61i 95 mm Figure 6 3 CS476 CS477 dimensions 14 7 Installation CAUTION User Manual Before installing the radar sensor you must consider all the suggested guidelines for site and maintenance issues Do not attempt to install the sensor unless
7. 20 2 81 30 4 216 70 CS477 only 9 84 3 Securely mount the sensor User Manual 4 Use a user supplied bubble level or the 25619 bubble level to make certain the antenna horn is aligned within 1 of vertical The cap needs to be removed when using the 25619 If the antenna is not vertical a trigonometric measurement error can occur with respect to the water The maximum range is reduced because of the off axis return signal 5 Orient the sensor such that one of its polarization markings is aligned towards the wall or pier see Figure 4 1 and Table 4 4 CS475 CS476 and CS477 Radar Water Level Sensor CS476 CS477 Figure 4 1 Polarization markings see Table 4 4 for label descriptions Table 4 4 Description of Polarization Markings Labels Sensor Description 1 CS475 Polarization marks are designated by the mounting loop Screws 2 CS476 CS477 Polarization mark is machine tooled 4 2 Step 2 Do a False Echo Learn Command NOTE The 25616 Adjustment Display Module or the terminal emulator in LoggerNet or PC400 can be used to enter SDI 12 commands Appendix B 2 Using Terminal Emulator and a Datalogger to Send Commands describes entering commands using the terminal emulator Do a Start False Echo Learn command followed by a Send Data command see Table 4 4 To start false echo learn do the aXSFEL nnn nnn command where nnn nnn the actual distance to the water follo
8. 1 smooth 2 medium or 3 rough Set Water Conditions aXSWC n n 0 auto 1 smooth 2 medium or 3 rough Where n is the new water condition Set Water Stage aXSS n n floating point number that is the initial stage or level of the water surface above the reference Where n is the new water stage Get Unit aXGU 0 metres 1 feet Set Unit aXSU n n 0 meters or feet Where n is the new unit of measurement Reset Sensor aXRS 0 reset unsuccessful 1 reset successful Resets the sensor to its factory settings B 1 1 Start False Echo Learn B 1 SDI 12 Command Descriptions The Start False Echo Learn command is an essential function during the start up of the sensor It is also used during testing if a problem is encountered The command allows the unit to learn about false echoes noise in the area With the Appendix B SDI 12 Commands Changing Settings False Echo Learn command you enter the actual distance to the water surface as measured in metres or feet depending on the unit setting The radar sensor then emits the short microwave pulses Any echo occurring 0 5 m 1 6 ft short of the distance you entered will be considered noise To start False Echo Learn do the aXSFEL nnn nnn command where nnn nnn the actual distance to the water followed by the aD0 Send Data command Table 4 5 in Section 4 Quickstart shows an example of the command and response B 1 2 Set Water Stage
9. 8 The factory default water conditions are set to 1 which is smooth The water condition settings should closely mimic the actual water conditions during normal river flow Change this setting by first using the aXSWC n command where n 0 custom 1 smooth 2 medium or 3 rough followed by the aXGWC Get Water B 4 Appendix B SDI 12 Commands Changing Settings Conditions command Table B 5 shows an example of the command and response for changing this setting Table B 5 Example for Setting Water Conditions Initial Command Response OXSWC 2 00011 lt cr gt lt If gt Where Where from left to right O sensor s address O sensor s address 2 the new water condition setting 001 the amount of time in seconds 2 medium that you must wait before sending another command 1 the number of values that will be placed in the buffer Subsequent Command Response 0OXGWC 0 2 lt cr gt lt If gt Where zero is the sensor address Where This is the send water conditions O sensor s address command 2 the new water condition setting 2 medium B 1 6 Set Power Operation Mode CAUTION The following three power operation modes are available e 1 ON sensor is always on until a new set power command is received e 2 AUTO lt sensor is powered by an incoming request from the SDI 12 bus and sends back a response including the information on power up time
10. SDI 12 5 Finish i Wiring Wiring Diagram Advanced Outputs all tables Averages Table Name Table1 lus ETO Store Every jo Maximum El PCCard Minimum H SC115 CS 1 0 to USB Flash Memory Drive Sensor asureme rocessin tput La Units e Sc ei SDI 12 Stage Maximur Stage_ total spr12 Stage Minimum Stage_h WindVector SDI 12 Stage Sample Stage SDI 12 Distance Maximur Distance SDI 12 Distance Minimum Distance SDI 12 Distance Sample Distance ErrorCoc Sample ErrorCo INNI 1 Table1 2 Table2 Add Table Delete Table Edit Finish Help 6 Wire according to the wiring diagram generated by Short Cut Short Cut CR1000 pe Program Tools Help Progress 1 New Open 2 Datalogger 3 Sensors 4 5 Finish Outputs CR1000 CR1000 Wiring Diagram for cs475 scw SDI 12 Stage Distance ErrorCode Res4 Res5 Res6 Power Wiring details can be found in the help file CR1000 Data Line Ground Wiring Wiring Diagram Wiring Text Finish 5 Overview The CS475 CS476 and CS477 emit short microwave pulses and measure the elapsed time between the emission and return of the pulses The elapsed time measurement is used to calculate the distance between the sensor face and the target for example water grain slurry The dis
11. With the Set Water Stage command you enter the initial depth of the water and the sensor will automatically measure the distance between the sensor and the water surface The water stage setting and the initial distance measurement are used to calculate subsequent water stage measurements Correct stage measurements require that the water stage setting be in the same units as the Units of Measure setting You can find out if the sensor is set to metres or feet by using the aXGU Get Unit command To set the water stage do an aXSS nnn nnn command where nnn nnn the initial water depth followed by the aD0 Send Data command Table 4 6 in Section 4 Quickstart shows an example of the command and response for entering this setting B 1 3 Query Set the Address Valid addresses are 0 to 9 A through Z and a through z The factory default address is set to 0 The address can be verified by sending the sensor the Address Query command see Table B 2 Table B 2 SDI 12 Command for Querying the Address Initial Command Response a lt cr gt lt If gt Where a is the current address of the sensor Change the sensor s address by sending the sensor the aAb command where a is the original address and b is the new address Table B 3 shows an example of the command and response for setting the address B 3 Appendix B SDI 12 Commands Changing Settings Table B 3 Example of Setting Address
12. following parameters Parameter 1 Address Valid addresses are 0 through 9 65 through 90 decimal value for ASCII upper case letters and 97 through 122 decimal values for ASCII lower case letters Parameter 2 Command Refer to the Edlog help for the command codes used with this instruction Parameter 3 Port Enter the datalogger port in which the datalogger is connected Parameter 4 Location Enter the input location in which to store the results Parameter 5 Multiplier Parameter 6 Offset Edlog allocates only one of the input locations needed for this instruction Three input locations are required for this sensor The additional input locations must be inserted manually using the Input Location Editor For information on manually inserting input locations refer to Manually Inserting Input Locations in the Edlog help 7 5 2 1 Example Program Below is a portion of a CR10X program that measures the radar sensor 19 CS475 CS476 and CS477 Radar Water Level Sensor NOTE The instructions below do not store data in final storage Instruction 92 Instruction 77 and processing instructions such as Instruction 70 are required to store the data permanently CR10X Table 1 Program 01 60 Execution Interval seconds SDI 12 Recorder P105 SDI 12 Address Start Measurement aM0 Port this is where the white wire is connected Mult 1 2 3 4 Loc Data_1 5 6 Offset Table 2
13. in either metres or feet depending on the Units setting e Diagnostic Values an error code For example Code 0 OK Code 13 error E013 see Section 8 2 Diagnostics and Repair Table 8 1 Example of Start Measurement Command Initial Command Response 0M Where zero is the sensor address 00023 lt cr gt lt If gt Where from left to right O sensor s address 002 the amount of time in seconds that you must wait before sending the send data command 3 the number of values that will be placed in the buffer Subsequent Command Response 21 CS475 CS476 and CS477 Radar Water Level Sensor 22 ODO 0 100 050 25 000 0 lt cr gt lt If gt Where the first zero is Where from left to right the sensor address sensors Address 100 050 the stage in metres or feet 25 000 the distance in metres or feet 0 error code 8 1 2 Check Unit Response The Acknowledge Active command is used to check the presence of the sensor on the bus see Table 8 2 Table 8 2 Acknowledge Active Command Initial Command Response a a lt cr gt lt If gt Only the address is sent back in response 8 1 3 Check for Valid Data The aI command gets the following identification information in response to sending al see Table 8 3 e Compatibility level Version of SDI 12 protocol version for example 1 3 e Manufacturer s Name VEGA e Manu
14. new SDI 12 address by entering the command The sensor will respond with the new address 10 To exit the SDI 12 Transparent Mode type in 0 Terminal Emulator Edit Terminal Open gt 08 150000 ientering SDI 12 210 O l lexiting SDI 12 lentering SDI 12 Select Device All Caps Mode O Pause Baud Rate Close Terminal Figure B 5 SDI 12 transparent mode on CR10X PB table based datalogger using control port 1 and changing SDI 12 address from 0 to 1 Appendix C FCC IC Equipment Authorization USA Canada only The CS475 CS476 and CS477 are FCC compliant FCC IC M01PULS616263 Modifications to the sensors must have express agreement from Campbell Scientific Any modifications not approved by Campbell Scientific will cause the expiration of the operating license issued by the FCC IC The radar sensor is in conformity with Part 15 of the FCC directives and fulfils the RSS 210 regulations Regulations for operation include e These devices must not cause any interfering emissions e These devices must accept any interfering emissions received including interference that may cause unwanted operating conditions C 1 Appendix C FCC IC Equipment Authorization USA Canada only C 2 CAMPBELL SCIENTIFIC COMPANIES Campbell Scientific Inc CSD 815 West 1800 North Logan Utah 84321 UNITED STATES www campbellsci com e info campbellsci com Campbell Scientific Africa Pty Ltd CSAf PO Box 2450 Somerset
15. on Control Port p enter pX lt enter gt For this example key in 1X lt enter gt The datalogger will respond with entering SDI 12 If any invalid SDI 12 command is issued the datalogger will exit the SDI 12 Transparent Mode 7 To query the sensor for its current SDI 12 address enter the command The sensor will respond with the current SDI 12 address 8 To change the SDI 12 address enter the command aAb where a is the current address from the above step and b is the new address The sensor will change its address and the datalogger will exit the SDI 12 Transparent Mode 9 Activate the SDI 12 Transparent Mode on Control Port again by entering 1X lt enter gt Verify the new SDI 12 address by entering the command The sensor will respond with the new address 10 To exit the SDI 12 Transparent Mode enter Terminal Emulator Edit Terminal Open 1X onRl exiting SDI 12 1X entering SDI 12 211 Select Device All Caps Mode C Pause Baud Rate Close Terminal Clear Help Figure B 4 SDI 12 transparent mode on CR10X datalogger using control port 1 and changing SDI 12 address from 0 to 1 B 2 5 CR10X PB Table Based Datalogger Example 1 Connect a single sensor to the datalogger as follows e White to Control Port C1 e Black Orange Clear to G e Redto 12V 2 Download a datalogger program that contains the SDI 12 Recorder P105 instruction with valid entries for each parameter Make sure that para
16. sensors are connected to the same port Valid addresses are 1 to 9 A to Z or a to Z Command body e g M1 an upper case letter the command followed by alphanumeric qualifiers Command termination an exclamation mark An active sensor responds to each command Responses have several standard forms and terminate with lt CR gt lt LF gt carriage return line feed SDI 12 commands supported by the radar sensors are listed in Table B 1 B 1 Appendix B SDI 12 Commands Changing Settings Table B 1 SDI 12 Commands Function SDI 12 Command Address Query PI Send Identification al Acknowledge Active a Change Address aAb Where a is the current address and b is the new address Start Verification aV Start Measurement aM Start Measurement and aMC Request CRC Send Data aD0 aD9 Additional Measurements aM1 aM9 Additional Measurement and aMC1 aMC9 Request CRC Start Concurrent Measurement aC Start Concurrent Measurement aCC and Request CRC Additional Concurrent aC1 aC9 Measurements Additional Concurrent Measurements and Request CRC aCC1 aCC9 Start False Echo Learn aXSFEL n n distance necessary to clear the obstruction Set Power n Operation Mode aXSPOM n n 2 auto 1 on or 0 off Get Power Operation Mode aXGPOM 2 auto 1 on O off Get Water Conditions aXGWC n 0 auto
17. wish to create a 1 New Open gt 2 Datalogger SE CR1000 X program 3 Sensors 4 Outputs Scan Interval Select the Scan Interval S ret sd a Wiring Wiring Diagram Wiring Text 4 Previous Next gt Finish Help 3 User Manual Under Generic Measurements select SDI 12 Sensor then click the right arrow to add it to the list of sensors to be measured File Program Tools Help Progress 1 New Open 2 Datalogger 3 Sensors 4 Outputs 5 Finish wiring Wiring Diagram Wiring Text Available Sensors and Devices Selected 44 Sensors a y Generic Measurements 1 4 20 mA Input Control Port Status Q Differential Voltage Q Full Bridge Q Full Bridge 6 Wire L Half Bridge Half Bridge 3 Wire L Half Bridge 4 Wire L Period Average Pulse _ SDI 12 Sensor L Single Ended Voltage gt Geotechnical amp Structural b I Meteorological b Miscellaneous Sensors gt Temperature Sal Water CR1000 4 CR1000 4 Default sensor Measurement Battv PTemp_C Remove Generic SDI 12 Sensor kuni This module supports any SDI 12 Sensor The user must know the sensor s configuration to make valid measurements Due to the ll sensor response time the datalo interval may have to be long such as 600 seconds Refer to the gger scan interval execution _4 Pr
18. 5 mm Mass 1 oz ounce 28 35 g 1 Ib pound weight 0 454 kg Length 1 in inch 25 4 mm 1 ft foot 304 8 mm Pressure 1 psi Ib in 68 95 mb 1 yard 0 914 m 1 mile 1 609 km Volume 1 UK pint 568 3 ml 1 UK gallon 4 546 litres 1 US gallon 3 785 litres In addition while most of the information in the manual is correct for all countries certain information is specific to the North American market and so may not be applicable to European users Differences include the U S standard external power supply details where some information for example the AC transformer input voltage will not be applicable for British European use Please note however that when a power supply adapter is ordered it will be suitable for use in your country Reference to some radio transmitters digital 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 cases alternatives are offered Details of the alternatives will be covered in separate manuals Part numbers prefixed with a symbol are special order parts for use with non EU variants or for special installations Please quote the full part number with the when ordering Recycling information At the end of this product s life it should not be put in commercial or domestic refuse but sent for recycling Any batteries contain
19. 6 shows an example of the command and response for entering this setting Appendix B describes this command in further detail Table 4 6 Example for Setting Water Stage Initial Command Response 0XSS 7 010 00011 lt cr gt lt If gt Where from left to right Where from left to right O sensor s address O sensor s address 7 010 the initial water depth value 001 the amount of time in seconds used to calculate subsequent stage that you must wait before sending the measurements send data command 1 the number of values that will be placed in the buffer CS475 CS476 and CS477 Radar Water Level Sensor Subsequent Command Command Response ODO 0 7 010 lt cr gt lt If gt Where the first zero is the sensor Where from left to right address O sensor s address This is the send data command 7 010 the initial water depth value used to calculate subsequent stage measurements 4 4 Step 4 Use SCWin Short Cut to Program Datalogger and Generate Wiring Diagram 1 Open Short Cut and click on New Program O Short Cut File Program Tools Help Progress 1 New Open 2 Datalogge Wiring Diagram Wiring Text Open Program 2 Select a datalogger and scan interval Menorca CR1000 C Campbellsci SCWin untitled scw Scan Interval 5 0000 Seconds ie File Program Tools Help Progress Datalogger Model Select the Datalogger Model for which you
20. 800 CR850 CR1000 CR3000 and CR5000 These dataloggers use the SDI12Recorder instruction to read the sensor The SDI12Recorder instruction should only be ran in the sequential mode 17 CS475 CS476 and CS477 Radar Water Level Sensor The values returned from the SDI12Recorder instruction are different depending on the SDI 12 measurement command issued The SDI12Recorder instruction sends the command specified by the SD 2Command parameter as address SDI12Command SDI12Recorder Dest SDIPort SDIAddress SDICommand Multiplier Offset The SDI12Recorder instruction has the following parameters Dest The Dest parameter is a variable in which to store the results of the measurement Dest must have enough elements to store all the data that is returned by the sensor or a variable out of range error will result during the execution of the instruction SDIPort The SDIPort parameter is the port to which the SDI 12 sensor is connected A numeric value is entered Code Description 1 Control Port 1 3 Control Port 3 5 Control Port 5 J Control Port 7 SDIAddress The SDIAddress parameter is the address of the sensor that will be affected by this instruction Valid addresses are 0 through 9 A through Z and a through z Alphabetical characters should be enclosed in quotes for example 0 SDICommand The SDICommand parameter is used to specify the command strings that will be sent to the sensor The command sh
21. Initial Command Response 0A1 1 lt cr gt lt If gt Where 0 is the original address and 1 is the new address The new address 1 is set in response B 1 4 Set Units The distance measurement can be reported in feet default or metres Change the units by first using the aXSU n command where n 1 feet or 0 meters followed by the aXGU Get Units command Table B 4 shows an example of the command and response for changing this setting Table B 4 Example of Setting Units Initial Command Response 0XSU 0 00011 lt cr gt lt If gt Where the first zero is the sensor Where from left to right address and the second zero sets the units to metres O sensor s address 001 the amount of time in seconds that you must wait before sending another command 1 the number of values that will be placed in the buffer Subsequent Command Response 0XGU 0 0 lt cr gt lt If gt Where the first zero is the sensor address and the second zero indicates that the units are now metres Where zero is the sensor address This is the get units command B 1 5 Set Water Conditions The Set Water Conditions command adapts the sensor to different water conditions There are four different settings e 0 custom setting e 1 smooth typical peak to trough of wave lt 4 e 2 medium typical peak to trough of wave lt 8 e 3 rough typical peak to trough of wave gt
22. Program 02 0 000 Execution Interval seconds Table 3 Subroutines End Program After Instruction 105 is executed the input location called Data_1 will hold the measured stage reported in feet or metres depending on the Unit of Measure setting The input location called Data_2 will hold the distance measurement reported in feet or metres depending on the Unit of Measure setting The input location called Data_3 will hold the error code an error code of 0 indicates that the sensor is functioning properly see Section 8 Diagnostics Repair and Maintenance Note that Port specifies that the SDI 12 data line is to be connected to the Port Cl 8 Diagnostics Repair and Maintenance 8 1 Testing Procedure The test procedures for the sensor require the following steps 1 Double check all wiring connections 2 Connect the sensor to your datalogger and apply 12V power 3 Compare the Output Stage versus the Actual Stage using the Start Measurement command followed by the Send Data command see Section 8 1 1 Start Measurement Command 4 Send the Acknowledge Active command see Section 8 1 2 Check Unit Response This command is used to check the presence of the sensor on the bus Only the address is sent back in response 5 Send the Identification command see Section 8 1 3 Check for Valid Data 20 8 1 1 Start Measurement Command NOTE User Manual Send the Start Verification command followed by t
23. TC CAMPBELL DT SCIENTIFIC WHEN MEASUREMENTS MATTER CS475 CS476 and CS477 Radar Water Level Sensor IVANVIA JASA Issued 10 9 13 Copyright 1998 2013 Campbell Scientific Inc Printed under licence by Campbell Scientific Ltd CSL 855 Guarantee This equipment is guaranteed against defects in materials and workmanship This guarantee applies for twelve months from date of delivery We will repair or replace products which prove to be defective during the guarantee period provided they are returned to us prepaid The guarantee will not apply to e Equipment which has been modified or altered in any way without the written permission of Campbell Scientific e Batteries e Any product which has been subjected to misuse neglect acts of God or damage in transit Campbell Scientific will return guaranteed equipment by surface carrier prepaid Campbell Scientific will not reimburse the claimant for costs incurred in removing and or reinstalling equipment This guarantee and the Company s obligation thereunder is in lieu of all other guarantees expressed or implied including those of suitability and fitness for a particular purpose Campbell Scientific is not liable for consequential damage Please inform us before returning equipment and obtain a Repair Reference Number whether the repair is under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should
24. Uat a ws 12 6 2 En ia 12 63 Physical sist io REESE Re ELA biella 13 Installation ale lalialas O LO 7 1 ME E 15 T 2 Sensor A TE 15 SA O 15 IA A REO 16 7 3 Instrument Housing Adjustment i 16 TA WADING cora lepre iia 16 7 4 1 Datalogger Connection cece cseeereeeeeeeeeeeeeeeeeeseenseensees 16 74 2 Multiple Sensors Connection eeeeeeeceeeceeeceseenseceseessees 17 7 4 3 Built in Self Test BIST i 17 T A dink ease ai 17 TIM CRBasic nil is ala 17 7 5 1 1 Example Program i 18 T 52 Edlog a cirillico ahi 19 7 5 2 1 Example Program iii 19 Diagnostics Repair and Maintenance 20 8 1 Testing Procedur uil rale naca hi 20 8 1 1 Start Measurement Command i 21 8 1 2 Check Unit Response ahinoi ani 22 6 1 3 Checkfor Valid Datan nn aaa 22 8 1 4 Cyclic Redundancy Check ii 23 8 1 4 1 Check CRC for Valid Data i 23 8 15 Get UNITS arie nia iaia liana nasa een 23 8 2 8 3 Appendices 8 1 6 Get Water Conditions eee 23 8 1 7 Get Power Operation Mode 24 Diagnostics and Repair 24 8 2 1 No Measured Value Available Error E013 24 8 2 2 No Measured Value Available Error E041 E042 E043 24 8 2 2 1 Exchange Electronics Module n 25 Maintenanc
25. West 7129 SOUTH AFRICA www csafrica co za e sales csafrica co za Campbell Scientific Australia Pty Ltd CSA PO Box 8108 Garbutt Post Shop QLD 4814 AUSTRALIA www campbellsci com au e info campbellsci com au Campbell Scientific do Brazil Ltda CSB Rua Luisa Crapsi Orsi 15 Butanta CEP 005543 000 S o Paulo SP BRAZIL www campbellsci com br e suporte campbellsci com br Campbell Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta TSM 1W7 CANADA www campbellsci ca e dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300N Cementerio Edificio Breller Santo Domingo Heredia 40305 COSTA RICA www campbellsci cc e info campbellsci cc Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www campbellsci co uk e sales campbellsci co uk Campbell Scientific Ltd France 3 Avenue de la Division Leclerc 92160 ANTONY FRANCE www campbellsci fr e info campbellsci fr Campbell Scientific Spain S L Avda Pompeu Fabra 7 9 Local 1 08024 BARCELONA SPAIN www campbellsci es e info campbellsci es Campbell Scientific Ltd Germany Fahrenheitstrasse13 D 28359 Bremen GERMANY www campbellsci de e info campbellsci de Please visit www campbellsci com to obtain contact information for your local US or International representative
26. all or pier see Figure 4 1 and Table 4 4 in Section 4 Quickstart 7 3 Instrument Housing Adjustment 7 4 Wiring After mounting you can rotate the housing up to 350 to simplify access to the conduit entry and terminal compartment Proceed as follows to rotate the housing to the desired position 1 Loosen the set screw on the housing 2 Rotate the housing as desired 3 Tighten the set screw 7 4 1 Datalogger Connection CAUTION As shipped from Campbell Scientific the sensor is fitted with a cable for connection with the datalogger Appendix A describes replacing this cable Connections to Campbell Scientific dataloggers are given in Table 7 1 The sensor should be wired to the channels shown on the wiring diagram created by Short Cut Connect the wires in the order shown in Table 7 1 User Manual Table 7 1 Wiring Diagram CR800 CR850 CR1000 CR10 X Colour Description CR3000 CR510 CR500 CR23X CR5000 CR200 X White SDI 12 Signal Odd Numbered Odd Numbered Odd Numbered SDI 12 C1 SDI 12 Control Port Control Port Control Port C1 C3 C1 C3 C1 C3 Clear Chassis Ground ic G it ME Red 12V Power 12V 12V 12V 12V Battery Supply for Sensor Black Ground G G G 7 4 2 Multiple Sensors Connection To use more than one probe per datalogger you can either connect the different probes to different SDI 12 compatible ports on the datalogger
27. be accompanied by a purchase order Quotations for repairs can be given on request It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment in support of this policy a Declaration of Hazardous Material and Decontamination form will be issued for completion When returning equipment the Repair Reference Number must be clearly marked on the outside of the package Complete the Declaration of Hazardous Material and Decontamination form and ensure a completed copy is returned with your goods Please note your Repair may not be processed if you do not include a copy of this form and Campbell Scientific Ltd reserves the right to return goods at the customers expense Note that goods sent air freight are subject to Customs clearance fees which Campbell Scientific will charge to customers In many cases these charges are greater than the cost of the repair CAMPBELL DT SCIENTIFIC Campbell Scientific Ltd Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UK Tel 44 0 1509 601141 Fax 44 0 1509 601091 Email support campbellsci co uk www campbellsci co uk PLEASE READ FIRST About this manual Please note that this manual was originally produced by Campbell Scientific Inc primarily for the North American market Some spellings weights and measures may reflect this origin Some useful conversion factors Area 1 in square inch 64
28. d limits When used correctly the radar sensors present no danger to people e Do not attempt to install the sensor unless you are qualified to perform the installation e Care should be taken when opening the shipping package to not damage or cut the cable jacket If damage to the cable is suspected consult with a Campbell Scientific applications engineer e Handle the sensor carefully since it is a precision instrument e Since the sensor is commonly installed over water from tall structures use appropriate safety equipment such as a safety harness or a life preserver when installing or performing maintenance on the sensor e Itis the responsibility of the user to ensure that the sensors are maintained and functioning properly e The sensor is designed for safe operations in accordance with the current technical safety and ANSI standards CS475 CS476 and CS477 Radar Water Level Sensor 3 4 Initial Inspection When unpacking the equipment do the following Quickstart Unpack the unit in a clean dry area Inspect the equipment for any damage that occurred during shipping or storage If the equipment is damaged file a claim against the carrier and report the damage in detail This Quickstart uses the default settings see Table 4 1 which are used in most circumstances Table 4 1 Default Settings Setting Default SDI 12 Address 0 change only if two sensors are connected to the same port va
29. ed within the product or used during the products life should be removed from the product and also be sent to an appropriate recycling facility Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases Sz arrange collection and the correct disposal of it although charges may apply for some items or territories For further advice or support please contact Campbell Scientific Ltd or your local agent fz CAMPBELL LT SCIENTIFIC Campbell Scientific Ltd Campbell Park 80 Hather Road Shepshed Loughborough LE12 9GX UK Tel 44 0 1509 601141 Fax 44 0 1509 601091 Email support campbellsci co uk www campbellsci co uk Contents PDF viewers These page numbers refer to the printed version of this document Use the PDF reader bookmarks 8 tab for links to specific sections NATO OUI CU ON ag deco oes Seda eccs ee notan tner Cautionary Statements ccseeeeeeeeseeeeeeeeeeeeeeeeee T Initial Inspection rrrriiiiii 2 QUICK Sta oso ico 4 1 Step 1 Mount and Align the Sensor i 2 42 Step2 Do a False Echo Learn Command este ereeee 4 4 3 Step 3 Do a Set Water Stage Command in 5 44 Step 4 Use SCWin Short Cut to Program Datalogger and Generate Wiring Diagram i 6 O leali 5 1 Components and Hardware 9 Specification ici init 10 6 1 Radar
30. evious Next gt Finish Help A properties window will appear In this window enter Stage and Feet for the First Result Distance and Feet for the Second Result and ErrorCode for the Third Result Properties Wiring SDI 12 Address 0 9 A Z or a z 0 First Result Second Result Third Result Fourth Result Fifth Result Sixth Result Seventh Result Eighth Result Ninth Result SDI 12 Command Stage Fee Distance Feet Ress funits Generic SDI 12 Sensor This module supports any SDI 12 Sensor The user must know the sensor s configuration to make valid measurements Due to the sensor response time the datalogger scan interval execution interval may have to be long such gt as 600 seconds Refer to the SDI 12 Sensor s manual for details Change the Result labels to match your particular sensor s configuration e g indicate measurement and units All SDI 12 sensors you select will use the same control port and therefore CS ess CS475 CS476 and CS477 Radar Water Level Sensor 5 Choose the outputs and then select Finish Selected Outputs Wiring Text Measure Battv PTemp_C Stage Distance Res4 ResS Res6 Res7 Res8 Res9 TO shor Cut CR1000 C Campbellsci SCWin untitled scw File Program Tools Help n Selected Sensors adi Sensor TINSWOPen a CR1000 2 Datalogger Default 3 Sensors a 4 Outputs 4
31. facturer s Model Number PS61 CS475 PS62 CS476 or PS63 CS477 e Three Digit Firmware Version Number e Fight Digit Serial Number of Sensor Table 8 3 Send Identification Command Initial Command Response al al3VEGAbbbbPS6233212345678 lt cr gt lt If gt Where from left to right a sensor address 13 SDI 12 compatibility number VEGA Manufacturer s Name PS62 Manufacturer s Model Number 3 32 Sensor Version Number Serial Number 12345678 User Manual 8 1 4 Cyclic Redundancy Check A cyclic redundancy check CRC is used to produce and send a small fixed size checksum of a larger block of data to the datalogger This checksum detects errors after transmission or storage The CRC is computed and added before any transmission or storage The CRC is also authenticated by the recipient after the transmission to confirm that no alterations occurred CRCs are very good at identifying errors caused by noise in transmission channels 8 1 4 1 Check CRC for Valid Data The aV command requests three verification values from the sensor This command is always followed by the aD0 Send Data command The verification values that will be returned are e CRC check error check values are 0 OK or 1 failed e SDI 12 Radar firmware version number e HART Sensor firmware version Table 8 4 shows an example of checking the CRC Table 8 4 Checking CRC Example Initial Comma
32. ger as follows e White to Control Port C1 SDI12 e Black Orange Clear to G e Red to Battery 2 Inthe LoggerNet Connect screen navigate to the Datalogger menu and select Terminal Emulator The Terminal Emulator window will open In the B 6 Appendix B SDI 12 Commands Changing Settings Select Device menu located in the lower left hand side of the window select the CR200Series station 3 Click on the Open Terminal button 4 Press the lt enter gt key until the datalogger responds with the CR2XX gt prompt At the CR2XX gt prompt make sure the All Caps Mode box is checked and enter the command SDI12 lt enter gt The response SDI12 gt indicates that the sensor is ready to accept SDI 12 commands 5 To query the sensor for its current SDI 12 address key in lt enter gt and the sensor will respond with its SDI 12 address If no characters are typed within 60 seconds then the mode is exited In that case simply enter the command SDI12 again and press lt enter gt Terminal Emulator Edit Terminal Open CR2XX gt SDI12 SDI12 gt 2 0 SDI12 gt 0A1 1 SDI12 gt Select Device All Caps Mode C Pause Figure B 2 SDI 12 transparent mode on CR200 X series datalogger using control port C1 SDI12 and changing SDI 12 address from 0 to 1 6 To change the SDI 12 address key in aAb lt enter gt where a is the current address from the above step and b is the new address The sensor will change
33. he Get Data command see Section 8 1 4 Cyclic Redundancy Check Use the Get Unit command to ensure the units are what you want see Section 8 1 5 Get Units Use the Get Water Condition command to ensure that the water condition fit the body of water you are monitoring see Section 8 1 6 Get Water Conditions 9 Use the Get Power Operation Mode to ensure that the power mode is what you want see Section 8 1 7 Get Power Operation Mode 10 Use the False Echo Learn command if you encounter a problem that could be caused by noise see Section 4 2 Step 2 Do a False Echo Learn Command The 25616 Adjustment Display Module or the terminal emulator in LoggerNet or PC400 can be used to enter this command Appendix B 2 Using Terminal Emulator and a Datalogger to Send Commands describes entering commands using the terminal emulator The Start Measurement command is also used in CRBasic or Edlog programming Refer to the Edlog help for the appropriate command code entry The aM command requests measurement values from the sensor This command is always followed by the aD0 Send Data command see Table 8 1 As a response of the Send Data command the following information will be returned e Stage the water level as measured in metres or feet This measurement is calculated using the Water Stage Setting and the Units setting e Distance the distance between the sensor and water surface This value will be reported
34. its address and the datalogger will respond with the new address To exit SDI 12 transparent mode select the Close Terminal button B 2 3 CR1000 Datalogger Example 1 Connect a single sensor to the datalogger as follows e White to Control Port Cl e Black Orange Clear to G e Redto 12V 2 Inthe LoggerNet Connect screen navigate to the Datalogger menu and select Terminal Emulator The Terminal Emulator window will open In the Select Device menu located in the lower left hand side of the window select the CR1000 station 3 Click on the Open Terminal button 4 Press the lt enter gt key until the datalogger responds with the CR1000 gt prompt At the CR1000 gt prompt make sure the All Caps Mode box is checked and enter the command SDI12 lt enter gt At the Enter Cx Port 1 3 B 7 Appendix B SDI 12 Commands Changing Settings B 8 5 or 7 prompt key in the control port number where the sensor s white lead is connected and lt enter gt The response Entering SDI12 Terminal indicates that the sensor is ready to accept SDI 12 commands 5 To query the sensor for its current SDI 12 address key in lt enter gt and the sensor will respond with its SDI 12 address If no characters are typed within 60 seconds then the mode is exited In that case simply enter the command SDI12 again press lt enter gt and key in the correct control port number when prompted Terminal Emulator Edit Te
35. le A 1 for description of labels Table A 1 Description of Instrument Housing Labels Connections Description A Side Chamber SDI 12 Wiring B Top Chamber Inner Housing Connections C Typical SDI 12 Network Configuration D DIS61 Optional Reference V 2799S0 1 Inner Housing Connections Modular Plug Mounted in Dual Chamber Housing Plugs into Back of SDI 12 Board 2 SDI 12 Data 3 Ground Connection 4 Data Acquisition Device 5 Serial Data Line 6 12V Ground 7 12V Line 8 SDI 12 Sensor 1 9 SDI 12 Sensor 2 10 Ground Connection 11 To Instrument 12 Remote Display 13 Ground Connection 14 Digital Output To Optional Remote Display 15 Plug for Laptop Connection 16 Remote Display 17 Red 18 Other Appendix B SDI 12 Commands Changing Settings The SDI 12 commands are entered using the 25616 Adjustment Display Module or the terminal emulator in LoggerNet or PC400 see Appendix B 2 Using Terminal Emulator and a Datalogger to Send Commands These commands are also used in CRBasic or Edlog programming see Section 7 5 Programming SDI 12 commands have three components Sensor address a a single ASCII character and is the first character of the command The sensor address allows multiple sensors to be connected to a single control port The default address is zero and typically is only changed when multiple
36. lid addresses are 0 through 9 A through Z and a through z see Appendix B 1 3 Query Set the Address Units of Measure 1 feet see Appendix B 1 4 Set Units Water Conditions 1 smooth typical peak to trough of wave lt 4 inches see Appendix B 1 5 Set Water Conditions Power Operation 1 on sensor is always on until new power operation Mode mode command received see Appendix B 1 6 Set Power Operation Mode NOTE Detailed information about all of the settings and information on changing the settings are provided in Appendix B 4 1 Step 1 Mount and Align the Sensor 1 Choose an appropriate site away from obstructions and over the smoothest part of the water see Section 7 1 Site Selection 2 Centre the sensor beam a minimum of 2 5 m from any obstruction in the measurement range Obstructions to be aware of include excessive waves splashing pipes wires and logs Note that the radiation beam spreads as it leaves the sensor see Table 4 2 and Table 4 3 NOTE Usually the beam path is 10 for the CS475 and 8 for the CS476 CS477 Table 4 2 Radiation Beam Spread for CS475 10 Beam Angle Distance in Metres Diameter of Footprint in Metres 1 0 18 5 0 87 10 1 76 15 2 64 20 3 53 Table 4 3 Radiation Beam Spread for CS476 CS477 8 Beam Angle Distance in Metres Diameter of Footprint in Metres 1 0 14 5 0 70 10 1 41 15 2 11
37. meter 3 of the P105 instruction matches the control port number where the green wire is connected 3 Inthe LoggerNet Connect screen navigate to the Datalogger menu and select Terminal Emulator The Terminal Emulator window will open In the B 9 Appendix B SDI 12 Commands Changing Settings B 10 Select Device menu located in the lower left hand side of the window select the CRIOXTD or CR10XPB station 4 Click on the Open Terminal button 5 Press the lt enter gt key until the datalogger responds with the gt prompt 6 To activate the SDI 12 Transparent Mode on Control Port p enter 8 The TD datalogger will respond with a prompt At the prompt enter The TD datalogger will respond with 150000 Finally enter p Control Port p and press the lt enter gt key For this example p 1 The TD datalogger will respond with entering SDI 12 Ifany invalid SDI 12 command is issued the datalogger will exit the SDI 12 Transparent Mode 7 To query the sensor for its current SDI 12 address enter the command The sensor will respond with the current SDI 12 address 8 To change the SDI 12 address enter the command aAb where a is the current address from the above step and b is the new address The sensor will change its address and the datalogger will exit the SDI 12 Transparent Mode 9 Activate the SDI 12 Transparent Mode on Control Port 1 again by entering 8 1 lt enter gt Verify the
38. mmand 2 the new power mode setting 2 auto B 2 Using Terminal Emulator and a Datalogger to Send Commands Commands can be sent to the sensor by connecting the sensor to an SDI 12 compatible central port on a datalogger and use the SDI 12 transparent mode B 2 1 SDI 12 Transparent Mode System operators can manually interrogate and enter settings in probes using transparent mode Transparent mode is useful in troubleshooting SDI 12 systems because it allows direct communication with probes Datalogger security may need to be unlocked before transparent mode can be activated Transparent mode is entered while the PC is in telecommunications with the datalogger through a terminal emulator program It is easily accessed through Campbell Scientific datalogger support software but is also accessible with terminal emulator programs such as Windows HyperTerminal Datalogger keyboards and displays cannot be used The terminal emulator is accessed by navigating to the Datalogger menu in PC200W the Tools menu in PC400 or the Datalogger menu in the Connect screen of LoggerNet The following examples show how to use LoggerNet software to enter transparent mode and change the SDI 12 address of a sensor The same steps are used to enter transparent mode with PC200W and PC400 software after accessing the terminal emulator as previously described B 2 2 CR200 X Series Datalogger Example 1 Connect a single sensor to the datalog
39. nd Response Ov 00013 lt cr gt lt If gt Where 0 is the sensor s address Where from left to right O sensor s address 001 the amount of time in seconds that you must wait before sending the send data command 3 the number of values that will be placed in the buffer Subsequent Command Response ODO 0 0 1610000 3320000 lt cr gt lt If gt Where the first zero is the Where from left to right 9 sensor s address 0 sensor s address 0 CRC check 0 OK 1610000 adapter version 1 61 00 00 3320000 sensor version 3 32 00 00 8 1 5 Get Units Use the aXGU command to get the current units setting of the sensor If the units are feet a 1 will be returned and if the units are metres a 0 will be returned 8 1 6 Get Water Conditions The aXGWC command returns the current setting of the water conditions Possible water conditions are 1 smooth default 23 CS475 CS476 and CS477 Radar Water Level Sensor 24 2 medium 3 rough 0 undefined custom settings 8 1 7 Get Power Operation Mode The 0XGPOM command provides the current power operation mode setting of the sensor 8 2 Diagnostics and Repair NOTES The radar sensor is extremely reliable but problems can occur during operation Most of these problems are caused by the following e Sensor e Environmental conditions e Power supply e Signal processing When you encounter a problem wi
40. or change the SDI 12 addresses of the probes and let them share the same connection Using the SDI 12 address minimizes the use of ports on the datalogger and also allows probes to be connected in a daisy chain fashion which can minimize cable runs in some applications 7 43 Built in Self Test BIST After connecting the sensor to the datalogger s power terminals the sensor performs a BIST built in self test for approximately 80 seconds factory default During this self check an internal check of the electronics occurs 7 5 Programming NOTE 7 5 1 CRBasic This section is for users who write their own datalogger programs A datalogger program to measure this sensor can be created using Campbell Scientific s Short Cut Program Builder software These sensors are not listed in the sensor list in Short Cut Instead select SDI 12 sensor under General Measurements see Section 0 Step 4 Use SCWin Short Cut to Program Datalogger and Generate Wiring Diagram for more information about using Short Cut You do not need to read this section to use Short Cut The radar sensor s output is measured using a standard SDI 12 instruction to read the data from an SDI 12 sensor If using the sensor with other SDI 12 recorders please refer to your system s documentation Further details of the SDI 12 commands can be found in Appendix B and at www sdi 12 org Dataloggers that are programmed with CRBasic include the CR200 X series CR
41. ould be enclosed in quotes Table 7 2 shows the specific SDI 12 Command Codes and their returned values Table 7 2 SDI 12 Command Codes SDI12 Measurement Command Returned Values M 1 Stage in metres or feet 2 Distance in metres or feet 3 Error Code see Section 8 Diagnostics Repair and Maintenance 7 5 1 1 Example Program CR1000 Series Datalogger Declare the variable for the water level measurement Public CS475 3 Rename the variable names Alias CS475 1 Stage Alias CS475 2 Distance Alias CS475 3 Error_Code Define a data table for 60 minute maximum and minimums DataTable Hourly True 1 DataInterval 60 Min 10 Maximum 1 Distance FP2 0 0 18 User Manual Minimum 1 Distance FP2 0 0 Average 1 Distance FP2 False StdDev 1 Distance FP2 False Maximum 1 Stage FP2 0 0 Minimum 1 Stage FP2 0 0 Average 1 Stage FP2 False StdDev 1 Stage FPs False Sample 1 Error_Code UINT2 EndTable Read sensor every 60 seconds BeginProg Scan 60 sec 1 0 Code for SDI 12 measurements SDI12Recorder CS475 1 0 M 1 0 Call the data table CallTable Hourly NextScan EndProg 7 5 2 Edlog NOTE Dataloggers that are programmed with Edlog include the CR500 CR510 CR10 X and CR23X These dataloggers use Instruction 105 to read the sensor Instruction 105 allows data to be collected from the radar sensor each sensor requires a separate Instruction 105 Instruction 105 has the
42. re is for replacing the original cable see Figure A 1 and Table A 1 1 2 10 11 12 Unscrew the housing side compartment screw cap Loosen the cord grip on the cable entry Remove approximately 4 inches 10 cm of the cable mantle Strip approximately 0 4 inches 1 cm of the insulation from the end of the individual wires Insert the cable into the sensor through the cable entry Lift the opening levers of the terminals with a screwdriver Insert the wire ends into the open terminals e Connect the Power Supply 12 Vdc to the terminals marked 1 e Connect the Power Supply Ground to the terminals marked 2 e Connect the Data Line to the terminals marked 3 data Press the opening lever of the terminal down You will hear the terminal spring closed Check that the wires are firmly connected in the terminal by lightly pulling on them Connect the screen to the internal ground terminal and the external ground terminal to potential equalization ground Tighten the cord grip on the cable entry The seal ring must completely encircle the cable Place the housing side compartment screw cap on and tighten to ensure a mechanical seal Appendix A Replacing the Cable A B a ko 4 6 2 d N sr ci 8 E 9 Figure A 1 Connecting the instrument housing see Tab
43. rminal Open CR1000 gt SDI12 Enter Cx Port 1 3 5 or 7 1 Entering SDI12 Terminal Select Device All Caps Mode C Pause Figure B 3 SDI 12 transparent mode on CR1000 datalogger using control port 1 and changing SD1 12 address from 3 to 1 6 To change the SDI 12 address key in aAb lt enter gt where a is the current address from the above step and b is the new address The sensor will change its address and the datalogger will respond with the new address To exit SDI 12 transparent mode press the Esc key or wait for the 60 second timeout then select the Close Terminal button B 2 4 CR10X Datalogger Example 1 Connect a single sensor to the datalogger as follows e White to Control Port Cl e Black Orange Clear to G e Redto 12V 2 Download a datalogger program that contains the SDI 12 Recorder P105 instruction with valid entries for each parameter Make sure that parameter 3 of the P105 instruction matches the control port number where the green wire is connected 3 In the LoggerNet Connect screen navigate to the Datalogger menu and select Terminal Emulator The Terminal Emulator window will open In the Select Device menu located in the lower left hand side of the window select the CRIOX station Appendix B SDI 12 Commands Changing Settings 4 Click on the Open Terminal button 663699 5 Press the lt enter gt key until the datalogger responds with the prompt 6 To activate the SDI 12 Transparent Mode
44. tance value can be used to determine depth These radar sensors output a digital SDI 12 signal to indicate distance and stage This output is acceptable for recording devices with SDI 12 capability including Campbell Scientific dataloggers User Manual Three sensor models are available that differ in their measurement range and accuracy The CS475 can measure distances up to 65 feet with an accuracy of 0 2 inches the CS476 can measure up to 98 feet with an accuracy of 0 1 inches and the CS477 can measure up to 230 feet with an accuracy of 0 6 inches The L after the model name indicates that the cable length is user specified The cable can terminate in e Pigtails that connect directly to a Campbell Scientific datalogger option PT e Connector that attaches to a prewired enclosure option PW Refer to www campbellsci com prewired enclosures for more information Figure 5 1 CS475 CS476 and CS477 5 1 Components and Hardware The radar sensor consists of an integrated microwave transmitter and sensor together with a horn antenna see Figure 5 2 and Table 5 1 The horn antenna serves to focus the transmitted signal and to receive the reflected echo A built in SDI 12 interface provides data processing and SDI 12 communications with the datalogger CS475 CS476 and CS477 Radar Water Level Sensor Li Figure 5 2 Components and hardware see Table 5 1 for description of labels
45. th the radar sensor check the error messages from the aM followed by the aD0 command to help evaluate the issue 1 During the initial power up or resumption of supply voltage to the sensor some SDI 12 commands such as the I command will not yield the expected responses 2 A typical response to the aD0 command results in a response of 108003 where approximately 80 seconds is the required time to complete the BIST Built In Self Test of the instrument After power up is complete normal SDI 12 communication starts 8 2 1 No Measured Value Available Error E013 If you are unable to find a measured value check the following e Sensor in boot phase e Update the Start False Echo Learn aXSFEL 8 2 2 No Measured Value Available Error E041 E042 E043 If you have a hardware error or have defective electronics try cycling the power to the sensor If the sensor recovers no further steps are required If the sensor does not recover do one of the following e Exchange the electronics module see Section 8 2 2 1 Exchange Electronics Module e Return the equipment for repair an RMA number is required User Manual 8 2 2 1 Exchange Electronics Module NOTE NOTE If you do not have an electronics module onsite order one from Campbell Scientific The electronics module is replaced by doing the following steps see Figure 8 1 and Table 8 5 1 Unscrew the housing cap cap is not shown in Figure 8 1 2 Remo
46. the measurement range Obstructions to be aware of include excessive waves splashing pipes wires and logs Note that the radiation beam spreads as it leaves the sensor see Table 4 2 and Table 4 3 in Section 4 Quickstart Usually the beam path is 10 for the CS475 and 8 for the CS476 CS477 Be aware that bridges contract and expand with temperature changes Traffic loads or trucks can also cause changes to the bridge height Do not install the sensor where submerged obstructions such as rocks or bridge piers can distort or disturb water level 7 2 Sensor Alignment Use a user supplied bubble level or the 25619 bubble level to make certain the antenna horn is aligned within 1 of vertical The cap needs to be removed when using the 25619 If the antenna is not vertical a trigonometric measurement error 15 CS475 CS476 and CS477 Radar Water Level Sensor 16 7 2 2 Azimuth can occur with respect to the water The maximum range is reduced because of the off axis return signal The sensor s radar beam is polarized so it emits radar waves in an elliptical or football shape You should orient the unit so the lobes are parallel to and do not intersect the pier when installing on a wall or close to a bridge pier The radar housing has a large hex nut on its mount stem Two drill marks below the hex nut indicate which direction the lobes extend the least Orient the sensor such that one of the marks is aligned towards the w
47. ve all wires that are attached or plugged into the electronics and note their location for reassembly 3 Loosen the two screws securing the electronics to the housing 3 in Figure 8 1 These screws are captive screws and will remain nested with the electronics 4 Gently remove the electronics from the housing 4 in Figure 8 1 Some friction is normal when removing the electronics because a seal is between the electronics and the lower portion of the housing 5 Replace the electronics with a new module Make sure the two 2 screws holding the electronics module in are tight but do not over tighten Over tightening these screws can strip the threads 6 Tighten the two screws to secure the electronics to the housing 3 in Figure 8 1 7 Re assemble all wires that were originally attached or plugged into the electronics 8 Tighten the housing cap 25 CS475 CS476 and CS477 Radar Water Level Sensor Figure 8 1 Changing the electronics see Table 8 5 for label descriptions Table 8 5 Description of Changing the Electronics Labels Description Red Wire Housing Top View Screws to Secure Electronics to Housing Electronics aJ AIIN Housing Side View 8 3 Maintenance The sensors are maintenance free under normal operation 26 Appendix A Replacing the Cable The sensor is fitted with a cable for connection to the datalogger The following procedu
48. wed by the aD0 Send Data command Table 4 5 shows an example of the command and response Any echo occurring 0 5 m 1 6 ft short of the distance you entered will be considered noise Appendix B describes this command in further detail User Manual Table 4 5 Example of a Start False Echo Learn Command Initial Command Response OXSFEL 2 500 02001 lt cr gt lt If gt Where from left to right Where from left to right O sensor s address O sensor s address 2 500 the water surface distance 200 the amount of time in seconds that you must wait before sending the send data command 1 the number of values that will be placed in the buffer Subsequent Command Response ODO 0 2 500 lt cr gt lt lf gt Where the first zero is the sensor Where from left to right address O sensor s address This is the send data command 2 500 the water surface distance 4 3 Step 3 Do a Set Water Stage Command NOTE The 25616 Adjustment Display Module or the terminal emulator in LoggerNet or PC400 can be used to enter SDI 12 commands Appendix B 2 Using Terminal Emulator and a Datalogger to Send Commands describes entering commands using the terminal emulator Do a Set Water Stage command followed by a Send Data command see Table 4 6 To set the water stage do an aXSS nnn nnn command where nnn nnn the initial water depth followed by the aD0 Send Data command Table 4
49. you are qualified to perform the installation The sensor is designed for safe operation in accordance with the current technical safety and ANSI standards If you are uncertain of the safe installation and operation of this unit read and understand all the instructions included in this manual before attempting any installation or operation 7 1 Site Selection WARNING NOTE NOTE 7 2 1 Vertical 1 Mount the sensor high enough to prevent submersion during flooding conditions Since the sensor is commonly installed over water from tall structures use appropriate safety equipment such as a safety harness or a life preserver when installing or performing maintenance on the sensor 2 Install the sensor above the smoothest part of the water surface The smoothest part of the water surface is typically found halfway between bridge piers However bridges with long spans between the piers experience more vibration For these bridges vibration can be minimized by mounting the sensor a quarter to a third of the distance to the next pier Avoid mounting near horizontal structural surfaces such as beams brackets and sidewall joints because these surfaces reflect a strong signal If these structures cannot be avoided use the False Echo Learn command to map out the interfering structures in the beam profile see Appendix B 1 1 Start False Echo Learn Center the sensor beam a minimum of 2 5 m from any obstruction in
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