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CS451/CS456

Submersible Pressure Transducer

Revision: 8/19

Campbell Scientific

Содержание CS451

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Страница 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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Страница 5: ...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 marke...

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Страница 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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Страница 9: ...2 1 Tie Wrap Tape 9 7 2 2 2 Split Mesh Cable Grip 9 7 2 2 3 Heyco Cable Grip 10 7 2 3 Measure the Initial Elevation 11 7 2 4 Offset Calculation 11 7 3 Wiring 11 7 3 1 SDI 12 Data Logger Connections 12...

Страница 10: ...Measurement Commands aC aC9 D 4 D 2 8 Start Measurement Commands with Cyclic Redundancy Check aMC and aCC D 5 D 2 9 Stopping a Measurement Command D 5 D 2 10 Send Data Command aD0 aD9 D 5 D 2 11 Exten...

Страница 11: ...14 8 2 Wire Colour Function and A200 Connection 15 8 3 CS451 CS456 SDI 12 Commands 17 D 1 Campbell Scientific Sensor SDI 12 Command and Response Set D 1 D 2 Example aM Sequence D 3 D 3 Example aC Sequ...

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Страница 13: ...transducer Never suspend the CS451 CS456 from the connections at the top end of the cable Sharp bends or excessive pinching of the cable can cause damage and may pinch off the vent tube causing measu...

Страница 14: ...owing procedure also describes programming with Short Cut 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 CS451 1 You...

Страница 15: ...uble click the Offset Calculation 2 under the Sensors Water Level Flow folder For the Linked Level parameter 3 select the variable that stores the level measurement typically Lvl_ft or Lvl_m Type the...

Страница 16: ...tput of the sensor in the data display in LoggerNet PC400 RTDAQ or PC200W to make sure it is making reasonable measurements 5 Overview The CS451 CS456 pressure transducer provides a reliable accurate...

Страница 17: ...flexible and tough even under harsh environmental conditions The CS451 CS456 has two communication options SDI 12 and RS 232 The CS451 CS456 is shipped from the factory with both communications option...

Страница 18: ...nts 5 to 18 VDC Power Consumption Quiescent current 50 A Measurement Communication Current 8 mA for 1 s measurement Maximum Peak Current 40 mA Measurement Time Less than 1 5 s Outputs SDI 12 version 1...

Страница 19: ...stance from pressure sensor interface black line etched on housing to End of NPT fitting 2 54 cm 1 in End of standard nose cone 2 3 cm 0 9 in End of weighted nose cone 9 9 cm 3 9 in Air Gap Standard a...

Страница 20: ...ur from entering the inner cavity of the sensor the vent tube opening terminates inside a desiccant tube The desiccant tube is shipped with a black cap to cover the vent hole This cap MUST be removed...

Страница 21: ...rop the instrument or allow it to free fall down a well as this may damage the sensor With long drops it may be necessary to use the weighted nose cone option WN 7 2 2 Secure the Transducer 7 2 2 1 Ti...

Страница 22: ...ipe FIGURE 7 3 The PVC pipe will help protect the sensor and cable from debris and disturbances while also providing a more secure means of anchoring the sensor to minimize movement The Heyco fitting...

Страница 23: ...fter installation several readings should be taken to ensure proper operation 7 2 4 Offset Calculation The pressure created is directly proportional to the water column above the sensor An offset is u...

Страница 24: ...aitDigTrig For example if the CS451 is connected to C3 on a CR1000X C4 cannot be used in the TimerInput PulseCount or WaitDigTrig instructions 7 3 2 RS 232 Connections TABLE 7 2 Wire Colour Function D...

Страница 25: ...i com old manuals The SDI12Recorder measurement instruction programs CRBasic data loggers to measure the CS451 CS456 sensor For most CRBasic data loggers the SDI12Recorder instruction has the followin...

Страница 26: ...a computer via the A200 sensor to computer interface Many SDI 12 recorders allow communication to the sensor via a terminal screen Configurable settings can be changed via SDI 12 commands or by using...

Страница 27: ...GURE 8 1 and TABLE 8 2 Use the data cable that ships with the A200 to connect it to the computer FIGURE 8 1 A200 Sensor to Computer Interface TABLE 8 2 Wire Colour Function and A200 Connection Wire Co...

Страница 28: ...dows Device Manager list under the ports section access using the control panel 8 1 2 Device Configuration Utility version 2 03 or higher Device Configuration Utility DevConfig allows the settings of...

Страница 29: ...expires If the data logger receives no response it will send the command a total of three times with three retries for each attempt or until a response is received Because of the delays this command r...

Страница 30: ...user selected samples Number of samples are entered with the aXCONFIG2 nnn command aMC aMCn aCC or aCCn Where n 1 through 8 Same values returned as aM aM1 aM8 aC aC1 aC8 commands except a checksum is...

Страница 31: ...56 sensors or other SDI 12 sensors can be connected to a single data logger control or U terminal Each SDI 12 device must have a unique SDI 12 address See Appendix D SDI 12 Sensor Support p D 1 for mo...

Страница 32: ...ry 24 months The CS451 CS456 has no user serviceable parts Cable can be damaged by abrasion rodents sharp objects twisting crimping or crushing and pulling Carefully handle the cable to avoid damage I...

Страница 33: ...data logger Check the data logger program to ensure that the same port the SDI 12 data line is connected to is specified in the measurement instruction Problem Transducer appears to be operating prop...

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Страница 35: ...ve the CRBasic program This program can now be edited for additional refinement 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...

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Страница 37: ...Maximum 1 Temp_C FP2 False True Minimum 1 Temp_C FP2 False True EndTable DataTable Daily True 1 DataInterval 0 1440 Min 10 Minimum 1 BattV FP2 False False EndTable PreserveVariables Main Program Begin...

Страница 38: ...measurement Public CS451 2 Rename the variable names Alias CS451 1 Level Alias CS451 2 Temp_C Define a data table for 60 minute maximum and minimums DataTable Hourly True 1 DataInterval 0 60 Min Maxi...

Страница 39: ...pplied listed in kilopascals to the sensor Temperature C is the temperature inside the test chamber at the time of testing Pressure After kPa represents the resulting measurement output by the CS451 C...

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Страница 41: ...components 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 Command body an upper ca...

Страница 42: ...nsor model information Serial number or other sensor specific information may also be included aI allccccccccmmmmmmvvvxxx xx CR LF a Sensor SDI 12 address ll SDI 12 version number indicates compatibil...

Страница 43: ...ment data is available When the data is ready the sensor notifies the data logger and the data logger begins issuing D commands n the number of values returned when one or more subsequent D commands a...

Страница 44: ...uent D commands are issued See the following example A data logger has three sensors wired into terminal C1 The sensors are addresses X Y and Z The data logger will issue the following commands and re...

Страница 45: ...RC code appended to it The CRC code is a 16 bit value encoded within 3 characters appended before the CR LF This code is not returned in the data table but checked by the data logger as it comes The c...

Страница 46: ...dress a followed by an X then a set of optional letters and terminate with an exclamation point Response a optional values CR LF The response will start with the sensor address and end with a carriage...

Страница 47: ...nd press Enter 8 At the Select SDI12 Port prompt type the number corresponding to the control port where the sensor is connected and press Enter The response Entering SDI12 Terminal indicates that the...

Страница 48: ...acters are typed within 60 seconds the mode is exited In that case simply type SDI12 again and press Enter 10 To change the SDI 12 address type aAb where a is the current address from the above step a...

Страница 49: ...g which COM Port the A200 has been Assigned p 16 to determine the COM port that was assigned to the A200 The software will then prompt for the proper Port Settings TABLE E 1 shows the RS 232 settings...

Страница 50: ...rial Number Pressure Level Temperature in configured units 2 Serial Number Pressure kPa Temperature C 3 Serial Number R ohms Rb ohms Temperature C Element Serial Number Product Name 5 Copyright inform...

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Страница 52: ...cc Website www campbellsci cc France Location Vincennes France Phone 0033 0 1 56 45 15 20 Email info campbellsci fr Website www campbellsci fr Germany Location Bremen Germany Phone 49 0 421 460974 0...

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