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Digilevel User`s Guide

1. Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 C2 H312 mode only CC2 H312 mode only aC2 aCC2 a address of probe a00301 Default response a t Response to C2 command a tCRC Response to CC2 command a address of probe t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Return temperature in degrees C H312 Temperature is returned in degrees C Itis not averaged XUT command will not change units into degrees F none COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder Fromprobe S O o oa i Start atemperature measurement Po 000301 Default response Po 0 26 7 Return temperature of 26 7 degrees C Page 30 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND C3 Keller Digilevel KPSI and DISI 1210 modes CC3 Keller Digilevel KPSI and DISI 1210 modes SYNTAX aC3 aCC3 Where a address of probe IMMEDIATE RESPONSE a00103 Default response RESPONSE TO DO a s o c Response to C3 command a st o cCRC Response to CC3 command Where a address of probe c Sensor offset set by XE command o Offset set by XUU command s Default slope or set by XUU command CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Command to retrieve current user slope user offset and offset set by XE command EMULATION M
2. A Calibration tab is available in the Digilevel program This tab is always hidden when the program first starts up It is enabled under specific conditions described below in step 1 Calibration enables the user to adjust the zero off set and or sensitivity of the Digilevel Certain safeguards are made in the program to ensure that the Digilevel probe is properly calibrated These are described below Operation 1 To enter and enable the Calibration the Digilevel program must show the Communications tab A Digilevel probe should be attached at this point User then enters lt Ctrl gt lt F3 gt to display the login pass word window See Figure 1 below Keller Digilevel File About Exit Communications Device Setup Site Parameters Live Reading Change i pis Identification Curent address change T EZTET x 0 Password OoOO Cancel Change Communication Status Restart PC to Converter Qa Gommunication Converter to Device Open Profile Save Profile Print Figure 1 Login Page 6 Keller America Inc Digilevel User s Guide Rev 07 13 2 Enters password keller 23606 to enable and enter Calibration tab Calibration tab is enabled as long as current Digilevel program is running If OK is not clicked within 20 seconds the login window disappears When OK is clicked and valid password is entered the Calibration tab is shown See Figure 2 below Communica
3. Sensor offset is also set by XE XS and Z commands This command will replace any offset set by these commands Sensor offset is used for most all depth pressure calculations in all emulation modes Only command that does not use this offset is in H312 mode command M1 C1 The third parameter sent as part of a aDO command is in PSI with out offset entering into the return A simplified formula illustrates how sensor and stage offsets enter into reported depth pressure calculation reported_measurement measurement sensor_offset XUU_slope XUU__ offset XUU_slope and XUU_ offset may not enter into the equation By default XUU_ slope is 1 while offset is O It is important to note that XUU_slope if used with sensor _ offset can affect reported_measurement XUU slope and offset are not used in Keller Digilevel or KPSI modes unless user units is specified They may be used in other modes depending upon Page 95 Keller America Inc Digilevel User s Guide Rev 07 13 measurement command issued In many ways this command is similar to XC XC however is used in a calibration laboratory environment under controlled conditions Command XS performs the same function as XSdu except user specified depth pressure is not used Command XS performs the same function as XSdu except user specified depth pressure is not used RELATED O XS XUU XWO EXAMPLE From Recorder OXCCS 4 35 Po Start offset adjustment for 4 35 fe
4. Slope is used in the following measurement commands in Keller Digilevel or KPSI modes M C F XWS and XUU slope is used only when user units of measure 9 is set by XUP in Keller Digilevel or KPSI modes Slope is used in the following measurement commands in DISI 1210 mode M C M1 C1 M2 C2 Slope is used in the following measurement commands in H312 mode M C first PSI parameter only This slope is multiplied by the reading and offset added before it is sent out Reported_reading reading slope offset The variable reading in this case is pressure depth or user units of measurement Reading will vary in units of measure depending upon emulation mode O XUU XUP COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S OXRS L Request slope used Po 00011 Default response Po 0 1 000000 Return slope of 1 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 90 Keller America Inc COMMAND SYNTAX IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 XS axS a0111 Keller Digilevel and KPSI response a0111 DISI 1210 default response a0031 H312 default response ap a address of probe p offset in PSI Zero out sensor offset not field or stage offset K
5. By default this offset is 0 000 Second pressure is PSI without any XE offset First temperature returns a value with 3 digits after the decimal Second temperature returns only 1 digit after the decimal XT command may be used to set averaging time Default is 3 seconds Average pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Temperature is returned in degrees C XE Po 000304 Default response After 3 seconds 0DO Request measurement data Return pressure with offset included of 1 203 PSI 26 130 as Ont ene ree TOOR AOE EG degrees C pressure without offset of 1 201 Page 26 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 C2 Keller Digilevel and KPSI modes only CCc2 Keller Digilevel and KPSI modes only aC2 aCC2 a address of probe a01102 Default response a t U Response to aC2 command at t UCRC Response to aCC2 command a address of probe t temperature in degrees C U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters Return te
6. CRC Cyclic Redundancy Check value as ASCII characters Measures depth in meters of water and temperature DO command returns average depth and temperature D1 returns highest and lowest measurements during averaging period in meters of water All depth readings can be converted into user units using the XUU command By default slope is 1 000 and offset is 0 000 Offset set by XE command is added to the initial depth Formula is Depth measurement XE_offset XUU_ slope XUU_ offset DISI 1210 Offset set by XE command and slope and offset set by XUU Depth formula is Depth depth XE_offset XUU_slope XUU_ offset Command F may also be used to set slope while command O may be used to set XUU_ offset Commands aDO and aD1 are required to return all data aDO returns only depth and temperature XT command may be used to set averaging time High and low depth readings are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second F O XE XT XUU Page 58 Keller America Inc EXAMPLE Digilevel User s Guide Rev 07 13 COMMUNICATION After 11 seconds ODO From Probe 00114 04 2 435 26 5 0 2 439 2 430
7. a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 91 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE FromRecorder Fromprobe post Zerooutsensor S O pT 001 Defauttresponse S After 11 secondS ODO Request data S o 0 0 001813 Returns 0 001813 PSI offset Page 92 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 XSdu aXSdu a address of probe d signed offset u offset units of measure Where 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units a0111 Keller Digilevel and KPSI default response a0111 DISI 1210 default response a0031 H312 default response ap a address of probe p offset in PSI Zeros out sensor offset not field or stage offset then signed offset is used in future measurement commands Keller Digilevel KPSI 500 DISI 1210 H312 Measures current depth pressure and computes an offset so future readings will return a value specified in variable d above Command corrects for sensor offset not stage or field offsets Offsets set by O XUU XWO are not affected Command measures current pressure for the averaging period set by XT or XWMC Default is 10 seconds for all modes except H312 Sensor
8. command Where a address of probe U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Requests temperature units of measure Units of measure may be set by XUT command while in Keller Digilevel and KPSI modes only EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Returns temperature units of measure Default is 0 Degrees C RELATED XUT EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe Start a temperature measurement Po 00011 Default response After 1 second ODO Request data Po Return 0 meaning degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 69 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 M9 MC9 aM9 aMcg a address of probe a0013 at tste c Response to aM9 command a s e cCRC Response to aMC9 command a address of probe s response depends upon probe mode Where response will always be Keller and KPSI 1 DISI 1210 48335 H312 123 456 e response depends upon probe mode Where Keller and KPSI mode 0 OK 1 sensor error DISI 1210 58297 always returned H312 78 9 alway
9. DESCRIPTION amp COMMENTS Default response Request depth and temperature Returns 2 435 meters at 26 5 degrees C Request high and low depths measured during averaging Returns high depth of 2 439 meters and low depth of 2 430 meters Page 59 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M2 H312 mode only Mc2 H312 mode only aM2 aMC2 a address of probe a00301 Default response to aM2 or aMC2 a t Response to M2 command a tCRC Response to MC2 command a address of probe t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Return temperature in degrees C Return temperature in degrees C Temperature is returned in degrees C Itis not averaged XUT command will not change units into degrees F none COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe poms Start measurement S O Po 000301 Default response Po 0 26 7 Return temperature of 26 7 degrees C Page 60 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M3 Keller Digilevel KPSI and DISI 1210 modes MC3 Keller Digilevel KPSI and DISI 1210 modes SYNTAX aM3 aMC3 Where a address of probe IMMEDIATE RESPONSE a0013 RESPONSE TO DO a s o c Response to M3 command a st to cCRC Response to MC3
10. Digilevel mode only XCos Keller Digilevel mode only aXCo aXCos a address of probe s signed slope o signed offset a0012 aso a address of probe o sensor offset s sensor slope Set sensor offset and slope in calibration lab environment Keller Digilevel The probe s sensor can be calibrated to account for accuracy and offset drift Off set as used by this command is not field or stage offset Offset here is used to zero out depth pressure measurements Slope is used to correct pressure readings at some pressure usually near the maximum Previous examples used the sensor depth pressure reading as part of an equation see C C1 M and M1 for examples Part of the equation included user slope and offset The offset and slope set by this command used before any user or field slope and offsets It is used as follows Sensor_reading Raw_sensor_reading XC_slope XC_offset Calibration process should start by resetting the probe This can be done by issuing an aXWCO 1 command After this command is issued the probe s address will reset to 0 zero User slope offset and units of measurement are also reset After issuing aXWCO 1 the probe must be set up again Slope and offset may have been set by Keller at time of manufacture using this command Slope and offset set by XC command should be reset to 0 000 offset and 1 000 slope The following command should be issued OXC 0 1 This command is iss
11. Digilevel on your computer The GUI should be saved to a convenient directory as well as a shortcut to the GUI on your Desktop 4 Connect the 900001 0043 Dongle with the Digilevel connected to it to a USB port on your PC or laptop 5 Upon connection communication between the GUI and the Digilevel will be established automatically 6 For Users familiar with SDI 12 commands click on the terminal tab and input SDI 12 commands 7 For instructions on the proper use of the Calibration utility see Digilevel Calibration Screen Operation else where in this manual 1 4 General Operating Instructions Construction details The Keller Digilevel water level transmitter hardware is based upon components already proven to be reliable in the submersible environment The standard materials of construction are 316L stainless steel for all of the metal parts including the housing and sensor The sensor is sealed to the housing via a fluorocarbon o ring The basic sensor is the piezoresistive silicon type based upon over 30 years of development by Europe s premier producer of such sensors Highly sensitive yet boasting very good long term stability it is protected from the media by a compliant laser welded sensing membrane The signal conditioning electronics feature the latest in digital hard and firmware which utilize a mathematical modeling scheme to correct for static nonlinearity non repeatability and hysteresis as well as t
12. Enter offset in units of measure below box to the Digilevel probe using the XC command All revision levels support this command mode The user can put in any value into this box before hitting the Set offset button When the offset is programmed the currently programmed offset is shown in the Current offset box Set slope and current offset This command operates a bit differently As the button states a slope and offset are programmed into the Digilevel probe Offset is always the value in the Current offset box Offset can only be changed using the Set offset button Suggested slope is calculated as in 6 above When the set slope button is pressed the Digilevel program sends the new XC command with offset and slope to the Digilevel probe Reset sensor This button sets offset to 0 000 and slope to 1 000 in the Digilevel probe It is kind of a one button version of set offset then set slope Refresh This button is provided for one of two conditions First is in the unlikely event that the Digilevel probe is changed and program did not detect it you hit this button to get ID and offset information from the Digilevel probe The second condition is just in case you are not sure what is in the Digilevel probe Page 8 Keller America Inc Digilevel User s Guide Rev 07 13 11 Restart Communication Restart communication button is active when Digilevel program detects that the dongle is missing or hung u
13. Variable probe is depth in meters Silicon probe is the raw reading while XE_ offset also set by command XS accommodates for any probe drift note that XE and XS are used in two different conditions Generally use either one or the other XUU combines separate XWS F O and XWO commands Commands aDO and aD1 are required to return all data aDO returns only depth and temperature Page 50 Keller America Inc Digilevel User s Guide Rev 07 13 High and low depth readings are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second One of three commands may be used to set the measurement interval L XT and XWMC RELATED F L O XT XWMC XWO XWS XUU XS XE EXAMPLE COMMUNICATION From Probe aca SS 00114 0 0 102 27 9 a of 0 102 meters and temperature of 27 9 degrees Maximum depth of 0 110 and minimum of 0 098 me ters 0 0 110 0 098 Page 51 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 M H312 mode only MC H312 mode only aM aMO aMC aMCo a address o
14. address of probe a0112 Default response to aM or aMO a0114 Response to aM or aMO when probe setup to return temperature also atp u Default response to aM at p uCRC Default response to aMC or aMCO at tptu t U Response when probe setup to return temperature via XUM command at p u t UCRC Response with CRC when aXUM 1 executed during probe setup a probe address p pressure depth t temperature U temperature units of measure Where 0 degrees C 1 degrees F u depth pressure units of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units CRC Cyclic Redundancy Check value as ASCII characters Command probe to perform a concurrent depth pressure measurement Depending upon configuration during probe setup temperature may be returned also Keller Digilevel KPSI 500 This is a measurement command Response to this command depends upon emulation mode Check on next pages for DISI 1210 and H312 for information while operating in those modes Number and type of data returned will depend upon configuration By default depth is returned as feet of water Other units of measure can be returned by executing the XUP command at setup Custom units of measure are setup by executing the XUU command during probe configuration as are all X commands Page 48 Keller America Inc Digilevel User s Guide Rev 07 13 listed here Temperature is appended by ex
15. command Where a address of probe c Sensor offset set by XE command o Offset set by XUU command s Default slope or set by XUU command CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Command to retrieve current user slope user offset and offset set by XE command EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 DESCRIPTION Command allows retrieval of user slope user offset and sensor offset User slope and offset are used only when user units of measure are enabled via XUP command when in Keller Digilevel or KPSI modes only User slope and offset are used for calculating depth pressure in DISI 1210 mode when M C M1 C1 M2 and C2 commands are executed RELATED F O XE XUU XUP XWO XWS EXAMPLE COMMUNICATION From Probe Oo O Ooo Return slope of 2 30730 convert PSI to feet of water 0 2 30730 0 00000 0 00000 user offset of 0 and sensor offset of 0 Slope is differ ent for different probe modes 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 61 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M3 H312 mode only MC3 H312 mode only aC3 aCC3 a address of probe a00301 Default
16. designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 44 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND J DISI 1210 mode only J777 DISI 1210 mode only SYNTAX aJ Pseudo command to lock probe aJ777 Pseudo command to unlock probe Where a address of probe IMMEDIATE RESPONSE a RESPONSE TO DO n a FUNCTION DISI 1210 compatible function to lock or unlock probe EMULATION MODES DISI 1210 DESCRIPTION Command is accepted but not functional in DISI 1210 and all other modes Address is always returned Extended commands are always allowed and never locked RELATED None EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Recorder _ FromProbe J 0J777 PO Pseudo command to unlock probe PO efauit response Page 45 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND K DISI 1210 mode only Kn DISI 1210 mode only SYNTAX aK Request current number of decimal digits aKn Set number of decimal digits Where a address of probe n number of decimal digits to display IMMEDIATE RESPONSE a003 Default response to aK number of digits a00n Default response to aKn number of digits RESPONSE TO DO n a FUNCTION K returns number of displayed digits to right of decimal for depth only Kn sets number of digits to right of decimal EMULATION MODES DISI 1210 DESCRIPTION Maximum number of decimal digits to right of decimal is 4
17. into user units using the XUU command By default slope is 1 000 and offset is 0 000 Offset set by XE command is added to the initial depth Formula is Depth measurement XE_offset XUU_ slope XUU_ offset EMULATION MODES DISI 1210 DESCRIPTION Offset set by XE command and slope and offset set by XUU Depth formula is Depth depth XE_offset XUU_slope XUU_ offset Command F may also be used to set slope while command O may be used to set XUU_ offset Commands aDO and aD1 are required to return all data aDO returns only depth and temperature XT command may be used to set averaging time High and low depth readings are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings Page 28 Keller America Inc Digilevel User s Guide Rev 07 13 during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second RELATED F O XE XT XUU EXAMPLE COMMUNICATION From Probe Ee ee 001104 After 11 seconds ODO Request depth and temperature Po 0 2 435 26 5 Returns 2 435 meters at 26 5 degrees C Request high and low depths measured during averaging 0 2 4394 2 430 Returns high depth of 2 439 meters and low depth of 2 430 meters Page 29 Keller America Inc COMMAND SYNTAX
18. is added subtracted before conversion to other units of measure This includes user slope and offset XUU Generally the depth pressure returned by the probe uses this offset as follows Reported_depth sensor_value XE_offset unit_of_measure_conversion_ factor Offset set by XE and XS are the same One will replace the other Thus XE_ offset in above equation is the same value set by XS If you have set your own user units XE XS offset is used as follows Reported_depth sensor_value XE_offset XUU_slope XUU_ offset You do not need to be too concerned about units of measure Internally all offsets in a unit of measure are converted first to bars Then when a measurement is taken XE XS offset is used and was converted to bars and a conversion factor is applied according to current units of measure in effect at the time In Keller Digilevel and KPSI modes when XE command is executed with an offset other than 0 units of measure returned with M C and other similar measurement commands a value of 10 will be added to the units of measure This is to indicate that a field offset is included in the return If this command is executed with an Page 84 Keller America Inc Digilevel User s Guide Rev 07 13 offset of zero then units of measure number will be between 0 and 9 per above table RELATED XS XUU EXAMPLE Probe has been acclimated to atmospheric conditions and you have taken a reading Reading at atmo
19. measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Temperature is returned in degrees C XC XT COMMUNICATION DESCRIPTION amp COMMENTS From Recorder From Probe S O Oo aate oOo S Start a depth and temperature measurement Po 101102 Default response After 11 seconds 1D0 Request measurement data O Po 1 2 001 25 7 Depth of 2 001 meters temperature is 25 7 C Page 25 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S Poca __ Start a depth and temperature measurement Digilevel User s Guide Rev 07 13 C1 H312 mode only CC1 H312 mode only aC1 aCC1 a address of probe a00304 Default response a p t P t Response to aC1 command a p t P tCRC Response to aCC1 command a address of probe p Pressure as PSI includes offset P Pressure as PSI no offset t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Measure pressure and temperature H312 Pressure as PSI and temperature are measured DO commands returns pressure and temperature twice First pressure returned includes any offset set by XE command
20. model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 36 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 C7 CC7 aC7 aCC7 a address of probe a01104 Default response Keller KPSI and DISI mode a00304 Default response in H312 mode a p u t U Response to aC7 command a p u t U Response to aCC7 command a address of probe p Pressure as PSI includes offset t temperature in degrees C u depth pressure units of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters Requests pressure and temperature with units of measure Keller Digilevel KPSI 500 DISI 1210 H312 Requests a depth pressure and temperature measurement DO returns depth pressure and temperature with units of measure Default depth pressure units of measure is feet of water for Keller KPSI and H312 mode In DISI 1210 mode depth measurement is in meters of water Default averaging time is 10 seconds for Keller KPSI and DISI modes H312 mode is 3 seconds One second is needed for sensor stabilization Averaging and response time is set by XT command Use
21. of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units n a address only After command is issued averaged depth pressure units of measure temperature and temperature units are returned A DO command is not necessary to return data Keller Digilevel Once the XWRM command has been issued depth pressure and temperatures may be returned immediately using the RO command Depth pressure are averaged Averaging time is set by XT command Measurements are started immediately after the XWRMt command is executed The recorder should wait for the time returned by the probe before the first query with RO The probe response indicates when the first valid measurement may be read in seconds If a measurement is not valid 999 000 is returned Depth pressure units is set with XUP command Temperature units is set using XUT Data is updated every averaging period If RO is executed twice in one averaging period the same data is returned Probe s address is returned when measurement time set by XWRM command has timed out This command does not work in other emulation modes other than Keller XT XUP XUT XWRM Page 73 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Issue XWRM to start continuous read for 10 minutes COMMUNICATION From Probe O O Oo 00011 a 0 1 081 0 24 872 40 Immediately returns 1 081 feet of water at 24 872 degrees C Af
22. registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 49 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 M DISI 1210 mode only MC DISI 1210 mode only aM aMO aMC aMCo a address of probe a0114 Default response to aM or aMC at d t Response to aM or aMO command a d tCRC Response to aMC or aMCO command a probe address d depth in meters of water t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Command probe to perform a depth measurement in meters of water and record both high and low depths during the measurement DISI 1210 This is a measurement command Response to this command depends upon emulation mode Check previous page for Keller Digilevel and next page for H312 for information while operating in those modes Depth returned is affected by values set by XWO XWS XUU and XS and XE as shown in below equation depth PSI XE_offset user_slope user_offset By default user_slope 0 70326 user_offset 0 000 and XE_ offset 0 000 Multiply PSI by 0 70326 will return meters of water Offset set by XE and XS are the same One will replace the other Thus XE_ offset in above equation is the same value set by XS
23. s Guide Rev 07 13 DO D1 aDO a address of probe depends upon previously issued command n a Requests data from previously issued command Keller Digilevel KPSI 500 DISI 1210 H312 DO is used to retrieve data from all commands except those that by SDI 12 specification return immediately while in Keller Digilevel KPSI 500 and H312 mode While in DISI 1210 mode D1 is used to return high and low depths when using commands C CC M MC C2 CC2 M2 and MC2 only Virtually all commands COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S O ome Request to measure battery voltage Po 00011 Default response Po 0 12 8 Return battery voltage 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 42 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 F DISI 1210 mode only aF Request current slope aFs Set slope a address of probe s signed slope a0011 Default response to either command ats Returns slope to aF or aFs command a address of probe s signed slope Reads or sets slope factor in DISI 1210 mode only DISI 1210 In DISI 1210 mode only Used to read current slope or set new o
24. t temperature in degrees C or F U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Request temperature DO response will be in degrees F or C depending upon emulation mode and configuration EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Temperature is measured Response will be in degrees C or F By default temperature is degrees C Temperature is always degrees C in DISI 1210 and H312 mode Use XUT to change temperature units in Keller Digilevel or KPSI 500 mode RELATED XUT useful for Keller Digilevel or KPSI 500 modes only EXAMPLE COMMUNICATION From Probe po ee 00012 Po 0 26 003 0FFY Return 24 003 degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 65 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M6 MC6 aM6 aMC6 a address of probe a0011 a b Response to aM6 command a bCRC Response to aMC6 command a address of probe b battery voltage CRC Cyclic Redundancy Check value as ASCII characters Requests battery voltage Keller Digilevel KPSI 500 DISI 1210 H312 Measures and r
25. 0112 Default response to aM2 or aMC2 RESPONSE TO DO a t U Response to aM2 command at t UCRC Response to aMC2 command Where a address of probe t temperature in degrees C U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Return temperature in degrees and units of measure of that temperature EMULATION MODES Keller Digilevel KPSI 500 DESCRIPTION Temperature is not averaged Temperature units of measure is changed using the XUT command Default is degrees C RELATED XE EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe Perform temperature measurement 00112 Default response After 11 seconds ODO Request data Pe 0 26 256 0 Returns temperature of 26 256 degrees in Celsius 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 57 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 M2 DISI 1210 mode only Mc2 DISI 1210 mode only aM2 aMC2 a address of probe a0114 Default response to aM2 or aMC2 a d t Response to aM2 command a d tCRC Response to aCC2 a address of probe d depth in meters of water t temperature in degrees C
26. 1 445 Returns 1 445 PSI 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 24 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 C1 DISI 1210 mode only CC1 DISI 1210 mode only aC1 aCC1 a address of probe a01102 Default response a p t Response to aC1 command a d tCRC Response to aCC1 command a address D meters of water t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Returns depth as meters of water or user converted value and temperature in degrees C DISI 1210 Depth reading may be converted into user units and offset By default slope is 1 0000 and offset is 0 000 User slope and offset may be set using XUU command Depth returned by DO is computed as follows Return PSI XE_offset user_slope user_offset By default user_slope 0 70326 user_offset 0 000 and XE_offset 0 000 Multiply PSI by 0 70326 will return meters of water Command F may be used to set user_slope while command O to set user_offset It will have the same effect as using XUU XT command may be used to set averaging time Average depth pressure is calculated by adding all of the readings during the
27. 12 1 always returned Sensor operation verification Keller Digilevel KPSI 500 DISI 1210 H312 Keller Digilevel and KPSI modes will return the number and type of sensor errors detected s parameter is always 1 Command is same as M9 Third parameter e should be 0 to indicate no errors detected A 1 is returned when a sensor error is detected Fourth parameter c returns the count or number of errors detected since power up M9 or V command was executed Errors are cleared when this command is executed While in DISI 1210 and H312 modes responses will always be the same DISI will always return a 48335 58297 0 780 0 H312 mode will always return a 123 456 78 9 1 A CRC is appended if C is included M9 Page 79 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Issue XWRM to start continuous read for 10 minutes COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S O pow Requeststatus O S 00013 Default response Afterisecond opo Requestdata S O Po 0 1 0 0 Return no problems in Keller mode 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 80 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 XCo Keller
28. 3 seconds One second is needed for sensor stabilization Averaging and response time is set by XT command Use XWMC to set the number of samples Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Page 67 Keller America Inc Digilevel User s Guide Rev 07 13 This command can duplicate C and M in Keller Digilevel and KPSI modes The difference is this command always returns depth pressure while C and M may include temperature depending upon XUM command setting Temperature is not averaged RELATED XT XWMC EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder __ FromProbe o fom Te Start a depth pressure and temperature measurement Po 00114 Default response After11seconds 00 __ ss Requestdata S O Po 0 2 101 0 25 886 0 Report 2 101 feet of water at 25 886 degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 68 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M8 MC8 SYNTAX aM8 aMC8 Where a address of probe IMMEDIATE RESPONSE a0011 RESPONSE TO DO a U Response to aM8 command at uCRC Response to aMC8
29. 5 volts Page 23 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND Ci Keller Digilevel and KPSI modes only CC1 Keller Digilevel and KPSI modes only SYNTAX aC1 aCC1 Where a address of probe IMMEDIATE RESPONSE a01101 Default response RESPONSE TO DO a p Response to aC1 command a pCRC Response to aCC1 command Where a probe address p pressure CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Measure pressure as PSI EMULATION MODES Keller Digilevel KPSI 500 DESCRIPTION Measure as PSI User offset and slope correction set by XE XS or other similar commands are not included However values set by the XC command are used XC command should only be used in a calibration laboratory environment Readings are averaged over a period of 10 seconds by default Readings are taken at a rate of 10 times per second Averaging time can be changed using the XT command High and low pressures are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 RELATED XC XT EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe 001101 Data can be read in 11 seconds After 11 seconds ODO Request data from measurement 0
30. C measurement requests by setting n 1 M7 and C7 commands always return depth pressure and temperature This command only affects M and C commands RELATED M C EXAMPLE C komke Fomo OOOO D Pd 0 dieait response SSCS after ii seconds oo request measurement Pd nO Returns 1 234 feet of water SS OXUM 1 aS Command to include temperature as part of M and C commands Co a A reaus OOOO ona default response Note A parameters now returned after ii seconds 00 O f Request measurement a 0 1 23440410 060 0 1 234 feet of water 0 at 10 060 degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 98 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE COMMUNICATION OXUP 1 After 1 second ODO 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Digilevel User s Guide Rev 07 13 XUP aXUPu d a address of probe u Pressure depth units of measure Where 0 Feet of water 1 PSI 2 kilopascal 3 cm of water 4 meters of water 5 mm of water 9 User units of mesure d optional display number of dec
31. DIGILEVEL SECTION 1 Environmental Monitoring System User s Manual KELLERAMERICA Newport News Virginia U S A Revision 4 July 2013 Keller America Inc Digilevel User s Guide Table of Contents 1 Digilevel Information Section 1 11 1 2 1 3 1 4 1 5 VIREO CU CEN icc cies sce eee a a eae oh dace tie ae eae SD SCIM CALI ONS oye cc ce ance cet cece cocaec eee cv vate acacns states ces vcndeeesteaseseceecesesntaseiete seca es QUICK Start GUE sann et DE SE ee Ce SEP EE General Operating Instructions a CONSTHUCTION DetalIS occsscdcccctenotecegt saceteays a anaE eik b Cleaning RECOMMENAtIONG ccccessseceeeececeeesessneeeeeeeess e Calibra oNean anneme E hee Digilevel Calibration Screen Operation a Operaio enen n a E b Error Condito Sassa a a E aiaa 2 Keller Digilevel Command Set Section 2 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 ACO CUCU ODD vetccccssscazcecssacseccsastznencasttnadewesanntansisbivaganssatedeseasniaedecssaiaacates Preliminary Setup COMMANAS ccccccccceecsssessesseceeeeeececeeseseesseseeeeeeens Factory Default ParaMmetelrs cccccsssssccececescesssssseseeeeseesesesestesaeeeeess Units of Measure Note cccccccccccccccceccccececceeeeeeeeeeeeeeeusecesecauaeauaeaeaeaea Offset NOTE iiss ciivescscabereceeasteaeatacdiadasuesnuvaccdnssGetaseasdesiselvasteacsdaranerecaviads Depth Pressure COMMANAG cccscccesseceesseeessseecesecesseeecsseeecaaeeeseeees Avera
32. ICATION DESCRIPTION amp COMMENTS From Recorder From Probe ee ee Probe responds with new address 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 17 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 C Keller Digilevel and KPSI modes only CC Keller Digilevel and KPSI modes only aC aCO aCc acco a address of probe a01102 Default response to aC or aCO command a01104 Default response to aC or aCO when probe setup to return temperature atp u Default response to aC at p uCRC Default response to aCC or aCCO a p u t U Response when probe setup to return temperature via XUM command a p u t UCRC Response with CRC when aXUM 1 executed during probe setup a probe address p pressure depth t temperature U temperature units of measure 0 degrees C 1 degrees F u depth pressure units of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units CRC Cyclic Redundancy Check value as ASCII characters Command probe to perform a concurrent depth pressure measurement Depending upon configuration during probe setup temperature may be returned al
33. M Ensossa enrasar araa i aeaea Aa aE E ENEN a a iaaa SKE tienes 2X basic range Overall accuracy Total Error Band over the compensated temperature range lt 0 1 FS SUPDIY ET A E A E EEI E A NEE A A E S EE 8 28 VDC C rrent Consumption Hessian aE O E EE EET lt 1mA quiescent max 20mA active Compensated temperatur Fange c cccecccscccccsssssessssssesesssessecaeceecssseesesesseseesaessssauseeseeseasceeaess 10 60 C Operating temperature FANBe ccccecsccsecessseseeceecessesesessecessessesceeseseesceecaesesseeaesceeeeeesesseaesesaes 20 80 C Storage temperature rang Eiei een eieo aisinar EE EnA E AE TRE aE 60 80 C COMMUNICATION PLOtOCO s sssicicaisestsssecszescacnesss a i aiaa aa SDI 12 ver 1 3 Wettedimaternale asinina onneen ENEE EEEE EEEE ESENE EENE e 316L SS and fluorocarbon Electrical CONNECHONS As fvsscceeteastocacitectidseeevaaetectvceetacvan E ETEA EE TRER aA Red Supply White Data Shield Case Grnd Black Circuit Grnd Page 3 Keller America Inc Digilevel User s Guide Rev 07 13 1 3 Quick Start Guide 1 Remove the Digilevel from the factory packaging and inspect it for obvious damage If none proceed to 2 If damage from shipping is apparent contact the shipper Otherwise contact Keller America at 877 253 5537 2 If using the 900001 0043 Dongle first connect the Digilevel to the Dongle via the binding posts starting with the ground black lead 3 Install the GUI provided with the
34. MUNICATION From Probe a lS 00011 Po Returns user_slope of 1 42 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 108 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION ELATED EXAMPLE Digilevel User s Guide Rev 07 13 XV XVd axv aXVd a address of probe v minimum operating voltage a0011 a v a address of probe v minimum operating voltage Requests and optionally sets minimum supply voltage to make depth pressure measurements When command is issued without supply voltage current minimum supply voltage is returned in response to DO Keller Digilevel KPSI 500 Command is valid only for Keller Digilevel and KPSI modes Default minimum voltage is 8 0 Depth pressure will return 999 if supply voltage is below limit Temperature if part of the measurement command is valid Minimum voltage specified in this command must be greater than 15 volts to be accepted Keller Digilevel will work to about 6 6 volts possibly lower Current battery voltage is measured by the M6 or C6 commands M C M6 C6 M7 C7 RO R1 COMMUNICATION DESCRIPTION amp COMMENTS __ From Recorder __ FromProbe o OXV 7 5 PO Set minium operating voltage Po 00011 Default response pS 7 5 vo
35. N MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Slope is used in the following measurement commands in Keller Digilevel or KPSI modes M C F XWS and XUU slope is used only when user units of measure 9 is set by XUP in Keller Digilevel or KPSI modes Slope is used in the following measurement commands in DISI 1210 mode M C M1 C1 M2 C2 Slope is used in the following measurement commands in H312 mode M C first PSI parameter only This slope is multiplied by the reading and offset added before it is sent out Reported_reading reading slope offset The variable reading in this case is pressure depth or user units of measurement Reading will vary in units of measure depending upon emulation mode RELATED O XUU XUP EXAMPLE COMMUNICATION From Probe O O 00011 Po 0 1 000000 Return slope of 1 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 89 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 XRS aXRS a address of probe a0011 at d a address of probe d slope as set by F XWS and XUU Request slope used for depth pressure measurements Keller Digilevel KPSI 500 DISI 1210 H312
36. ODES Keller Digilevel KPSI 500 DISI 1210 DESCRIPTION Command allows retrieval of user slope user offset and sensor offset User slope and offset are used only when user units of measure are enabled via XUP command when in Keller Digilevel or KPSI modes only User slope and offset are used for calculating depth pressure in DISI 1210 mode when M C M1 C1 M2 and C2 commands are executed RELATED F O XE XUU XUP XWO XWS EXAMPLE COMMUNICATION From Probe O O 001030 Return slope of 2 30730 convert PSI to feet of water 0 2 30730 0 00000 0 00000 user offset of 0 and sensor offset of 0 Slope is differ ent for different probe modes 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 31 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 C3 H312 mode only CC3 H312 mode only aC3 aCC3 a address of probe a00301 Default response a p Response to C3 command a pCRC Response to CC3 command a address of probe p Pressure as PSI CRC Cyclic Redundancy Check value as ASCII characters Measure pressure as PSI Do not include offsets H312 Pressure is measured in PSI No offsets set by XWS or XE are used Averagi
37. PLE FromRecorder FromProbe S O oc Request concurrent measurement oomo Datacanbereadiniiseconds O After 11 seconds Regiestdats ODO q P 0 1 33 0 Returns 1 33 feet of water Suppose XUM 1 was executed during setup to return both depth and temperature and XUP was executed to return depth as cm of water XUP 3 Subsequent C data transactions will look like Oc Po Request concurrent measurement Po 001104 Data can be read in 11 seconds Aner TI seconds Request depth and temperature ODO oe 0 24 2243427 65 40 ena as 24 22 cm of water and temperature as 27 65 de 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 19 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where RESPONSE TO D1 Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 C DISI 1210 mode only CC DISI 1210 mode only aC aco aCC acco a address of probe a01104 Default response a d t Response to aC or aC0 command a d tCRC Response to aCC or aCCO command a probe address d depth in meters of water t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters A H L a probe address h High reading during measurement interval Low reading during measurement interval Comman
38. S Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Temperature is measured Response will be in degrees C or F By default temperature is degrees C Temperature is always degrees C in DISI 1210 and H312 mode Use XUT to change temperature units in Keller Digilevel or KPSI 500 mode RELATED XUT useful for Keller Digilevel or KPSI 500 modes only EXAMPLE COMMUNICATION From Probe O O Oo 000102 Po 0 24 662 0 Return 24 662 degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 35 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 C6 CC6 aC 6 aCC6 a address of probe a00101 Default response a b Response to aC6 command a bCRC Response to aCC6 command a address of probe b battery voltage CRC Cyclic Redundancy Check value as ASCII characters Requests battery voltage Keller Digilevel KPSI 500 DISI 1210 H312 Measures and returns battery voltage via DO command none COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe poco Request battery voltage Po 000101 Default response Po 0412 9 Returns 12 9 volts 1 KPSI a Federally registered trademark and Series 500 a
39. SI includes offset P Pressure as PSI no offset t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Measure pressure and temperature H312 Pressure as PSI and temperature are measured DO commands returns pressure and temperature twice First pressure returned includes any offset set by XE command By default this offset is 0 000 Second pressure is PSI without any XE offset First temperature returns a value with 3 digits after the decimal Second temperature returns only 1 digit after the decimal XT command may be used to set averaging time Default is 3 seconds Average pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Temperature is returned in degrees C XE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S O pom _ Start pressure and temperature measurements Po 000304 Default response Return pressure with offset included of 1 203 PSI od hl a bl 26 130 degrees C pressure without offset of 1 201 Page 56 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M2 Keller Digilevel and KPSI modes only Mc2 Keller Digilevel and KPSI modes only SYNTAX aM2 aMC2 Where a address of probe IMMEDIATE RESPONSE a
40. TED EXAMPLE Digilevel User s Guide Rev 07 13 O DISI 1210 only Os DISI 1210 only aO Request current offset aOs Set new offset a address of probe s signed offset a0011 Default response to aO or aOs as Response to O or Os a address of probe s offset to 6 decimal places Requests current offset or sets new offset DISI 1210 Command is useful only in DISI 1210 mode All other modes will respond with address only and will have no effect on offset aO requests current offset while aOs sets a new offset Offset is added to the depth pressure for M C M1 C1 M1 C1 M2 and C2 commands It is also retrieved using M3 C3 and XRO commands This command will overwrite the value calculated if Z command was previously executed XUU command can also be used to set offset and slope and has the same effect as this command XUU Z COMMUNICATION DESCRIPTION amp COMMENTS _FromRecorder __ FromProbe o 00 22 23 PO Set offset for stage Po 00011 Default response Po 0 22 230000 Returns offset of 22 23 Page 72 Keller America Inc COMMAND SYNTAX IMMEDIATE RESPONSE Where RESPONSE TO DO FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 RO Keller mode only aRO adutU a address of probe d Depth pressure t temperature U temperature units of measure Where 0 degrees C 1 degrees F u depth pressure units
41. This command is normally executed in conjunction with XC command during a calibration process in a laboratory environment Use XE or XS commands to adjust offset in the field RELATED XC XE XS EXAMPLE COMMUNICATION From Probe O O 000102 Return calibration lab slope of 1 000 and calibration lab 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 63 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M4 H312 only MC4 H312 only SYNTAX aM4 aMC4 Where a address of probe IMMEDIATE RESPONSE a00101 Default response to aM4 or aMC4 RESPONSE TO DO a b Response to M4 command a bCRC Response to MC4 command Where a address of probe b battery voltage CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Measure voltage at probe EMULATION MODES H312 DESCRIPTION Measures voltage at probe RELATED none EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S O oo o om _ Measure battery voltage Po 000101 Default response Po 0 13 3 Return 13 3 volts Page 64 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M5 MC5 SYNTAX aM5 aMC5 Where a address of probe IMMEDIATE RESPONSE a0012 RESPONSE TO DO a t U Response to aM5 command a t UCRC Response to aMC5 command Where a address of probe
42. XWMC to set the number of samples Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Page 37 Keller America Inc Digilevel User s Guide Rev 07 13 This command can duplicate C and M in Keller Digilevel and KPSI modes The difference is this command always returns depth pressure while C and M may include temperature depending upon XUM command setting Temperature is not averaged RELATED XT XWMC EXAMPLE Request concurrent depth pressure and temperature in Keller Digilevel mode FromRecorder Fromprobe pcr Start adepth pressure measurement po 104 Defauttresponse S After 11 seconds ODO Ss Requestdata S O Po 0 2 101 0 25 886 0 Report 2 101 feet of water at 25 886 degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 38 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND C8 CC8 SYNTAX ac8 aCC8 Where a address of probe IMMEDIATE RESPONSE a00101 Default response RESPONSE TO DO a U Response to aC8 command at uCRC Response to aCC8 command Where a address of probe U temperature units of measure Whe
43. a ter level in this case 20 feet You would use the XS or XSCS command to tell the probe you want to measure the water level as if the probe is 20 feet down You would send the probe aXS 20 0 The XSCS command assumes feet so the probe is sent aXSCS 20 Where a is the probe address 20 is the desired probe reading at this time O is the units of measure parameter in this case feet You can specify other units of measure as described below There is an interaction between the XS XSCS and XE command Execute just one The XE command compensates for sensor drift XS and XSCS is more for site setup It not only takes into account sensor drift but also depth at the site Executing one command replaces the value set by the others Page 12 Keller America Inc Digilevel User s Guide Rev 07 13 The 3rd offset is set by the XWO or XUU command Any one of the preceding commands will set the stage level For example if you use XUU to set the stage level or offset then use XWO to set another level in feet the XWO value will be used You should only use one of these commands to set the offset or stage 2 6 Depth Pressure Commands There are a number of commands which affect depth pressure measurements These are primarily extended setup commands beginning with X Commands that perform depth pressure measurements are MO MCO CO CCO M1 MC1 C1 CC1 M7 MC7 C7 and CC7 2 7 Averaging T
44. command has timed out This command does not work in other emulation modes other than Keller XT XUP XWRM Page 75 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Issue XWRM to start continuous read for 10 minutes COMMUNICATION From Probe fe O eee 00011 a 0 1 081 0 Immediately returns 1 081 feet of water After 10 seconds OR1 Cd 0 1 083 0 Immediately returns 1 083 feet of water Page 76 Keller America Inc COMMAND SYNTAX IMMEDIATE RESPONSE Where RESPONSE TO DO FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 R2 Keller mode only aRO atU a address of probe t temperature U temperature units of measure Where 0 degrees C 1 degrees F n a address only After command is issued temperature and temperature units are returned Keller Digilevel Once the XWRM command has been issued temperatures may be returned immediately using the R2 command after the time indicated by XWRM response A DO command is not necessary to return data Averaging time is set by XT command Measurements are started immediately after the XWRMt command is executed The recorder should wait for the time returned by the probe before the first query with RO The probe response indicates when the first valid measurement may be read in seconds If a measurement is not valid 999 000 is returned Temperature units is set using XUT Data is update
45. commands are provided on CD entitled Command Cross Reference 2 2 Preliminary Setup Commands There are a few extended commands to consider when setting up your probe for a response These commands de termine units of measure for depth amp pressure and temperature and decimal precision Below table only lists a few of them Generally all extended commands with prefix X should be considered Command Description XUP Set units of measure pressure or depth and number of places to right of decimal point XUT Set temperature units Celsius or Fahrenheit XT Set averaging time Most all extended commands affect depth pressure readings You should become familiar with them so you can set up your site in the most efficient manner possible 2 3 Factory Default Parameters The following are default settings for the Digilevel probe mode Temperature C Units of measure Feet of water Number of decimal points 3 XUU command slope 1 000 XUU command offset 0 000 XUM command measurement mode 0 return pressure only for measurement mode M or C XT command averaging time 10 seconds 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 11 Keller America Inc Digilevel User s Guide Rev 07 13 2 4 Units of Measurement Note A list of supported units of measurement are listed below Internally all units of measure f
46. conds Use XT or XWMC commands to change the number of averaging seconds or samples Offset and or slope are set by either XUU or XWO and XWS commands XE command is intended to correct for sensor drift It should be executed ina laboratory or other controlled condition In H312 mode stage is calculated as stage PSI XE_offset XUU_slope XUU_ offset By default XUU_slope 1 0000 and XUU_ offset 0 000 XWO may be used to set XUU_ offset and XWS to set XUU_ slope Pressure is returned as PSI It is not affected by programming slope and offset Pressure is affected by the XE offset command Offset set by XE will be added to the current reading Average measurement interval is set by XT command Page 22 Keller America Inc Digilevel User s Guide Rev 07 13 Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second RELATED XT XUU XE XWO XWS XWMC XRMC EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe Start depth pressure temperature and voltage measurement 000304 Data can be read in 3 seconds Atter a SEE OnE Request data from measurement ODO 0 0 009 0 004 28 2 9 5 Stage is 0 009 PSI is 0 004 temperature is 28 2 degrees C and battery voltage is 9
47. d aO 0 ELATED O XS XUU XWO EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Recorder From Probe SS ee E 0010 Default response DISI 1210 mode only T A DO command may be executed but only its address is returned Page 110
48. d every averaging period If RO is executed twice in one averaging period the same data is returned Probe s address is returned when measurement time set by XWRM command has timed out This command does not work in other emulation modes other than Keller XT XUP XUT XWRM Page 77 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Issue XWRM to start continuous read for 10 minutes FromRecorder_ Fromprobe oxwemeto Startcontinuousread for 10 minutes po ooon Indicate 11 seconds before first valid data is available _ After 11 seconds OR2I Request temperature data pT 2 87240 immediately returns 24 872 degreesC After10seconds oRo pT t2 868 0 immediately returns 24 868 degreesC _ Page 78 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 V aV a address of probe a0013 atst e c a address of probe s response depends upon probe mode Where response will always be Keller and KPSI 1 DISI 1210 48335 H312 123 456 e response depends upon probe mode Where Keller and KPSI mode 0 OK 1 sensor error DISI 1210 58297 always returned H312 78 9 always returned c response depends upon probe mode Where Keller and KSPI mode number of errors detected DISI 1210 0 always returned H3
49. d probe to perform a depth measurement in meters of water and record both high and low depths during the measurement DISI 1210 This is a measurement command Response to this command depends upon emulation mode Check previous page for Keller Digilevel and next page for H312 for information while operating in those modes Depth returned is affected by values set by XWO XWS XUU and XS and XE as shown in the equation depth PSI XE_offset user_slope user_offset By default user_slope 0 70326 user_offset 0 000 and XE_ offset 0 000 Multiply PSI by 0 70326 will return meters of water Offset set by XE and XS are the same One will replace the other Thus XE_offset in above equation is the same value set by XS Variable probe is depth in meters Silicon probe is the raw reading while XE_ offset also set by command XS accommodates for any probe drift note that XE and XS are used in two different conditions Generally use either one or the other Page 20 Keller America Inc Digilevel User s Guide Rev 07 13 XUU combines separate XWS F O and XWO commands Commands aDO and aD1 are required to return all data aDO returns only depth and temperature High and low depth readings are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest rea
50. de number of errors detected DISI 1210 0 always returned H312 1 always returned CRC Cyclic Redundancy Check value as ASCII characters Duplicates V command for sensor verification Keller Digilevel KPSI 500 DISI 1210 H312 Keller Digilevel and KPSI modes will return the number and type of sensor errors detected s parameter is always 1 Third parameter e should be 0 to indicate no errors detected A 1 is returned when a sensor error is detected Fourth parameter c returns the count or number of errors detected since power up M9 or V command was executed Errors are cleared when this command is executed While in DISI 1210 and H312 modes responses will always be the same DISI will always return a 48335 58297 0 780 0 H312 mode will always return a 123 456 78 9 1 Page 40 Keller America Inc Digilevel User s Guide Rev 07 13 A CRC is appended if C is included RELATED none EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe ee Po 000103 Default response After 1 second ODO Po 0 1 0 0 Return no problems in Keller mode 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 41 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User
51. de optimum protection from the environment as well as separate connections for SDI 12 communications and atmospheric reference vent The Digilevel firmware and software were carefully developed to exactly correspond to the SDI 12 v1 3 specification Because most other SDI 12 compatible level transmitters previously available do not faithfully mirror the SDI 12 v1 3 specification the Keller Digilevel has been designed with several emulate modes so that it is not necessary to rewrite the user s familiar command set Even the extended commands specific to each manufacturer s product have been included Further the GUI supports all emulate modes The Keller Digilevel is designed to provide years of trouble free service in the most demanding environments However an instrument as sensitive and accurate as the Digilevel must also be handled wisely and certain cautions observed including avoiding sharp impacts and making sure allowable operating conditions are not exceeded This manual was written with the goal of providing 100 sufficient and accurate information If however there is a question that it does not address or if an error is discovered please contact us via e mail at support kelleramerica com or by toll free telephone at 877 253 5537 1 2 Specifications Pressure FANGE S ccccssescesssscescecsecsessesessessessessesesessessesssseesessessesaessessesesesuesas sas sassessesseeaesaeaeeeses Infinite from 0 3 to 0 900 ft WC Prof PLESSU
52. dings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second One of three commands may be used to set the measurement interval L XT and XWMC RELATED F L O XT XWMC XWO XWS XUU XS XE EXAMPLE FromRecorder FromProbe S O oc i Start adepth and temperature measurement pC oomo Datacanbereadiniiseconds O After 11 seconds Request data ODO q Po 0 0 102 27 9 Depth of 0 102 meters and temperature of 27 9 degrees C opt Request concurrent measurement o O Po 0 0 110 0 098 Maximum depth of 0 110 and minimum of 0 098 meters Page 21 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 C H312 mode only CC H312 mode only aC aco aCC acco a address of probe a00304 Default response a s p t b Response to aC or aC0 command a s p t bCRC Response to aCC or aCCO command a probe address b battery voltage p pressure as PSI s stage t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Command probe to perform a depth pressure temperature and battery voltage measurement H312 This is a measurement command Stage level pressure in PSI temperature in degrees C and battery voltage are measured By default averaging is over a period of 2 se
53. e 11 11 006 XC_slope 0 999455 Use offset 0 076 and above slope in XC command OXC 076 999455 Send offset of 0 076 and slope of 0 999455 00012 PO Request slope and offset data 0 0 999455 0 076000 o calibration slope is 999455 and offset is Even though depth is reported to 3 decimal places slope may be set to 6 decimal places for greatest accuracy Oo o ooo Take reading to get current pressure depth SS After 11 seconds ODO Requestdata S O an 0 11 000 0 Returns 11 000 feet of water Slope does enter into the equation at all times If calibrated slope is high 0 5 it may be necessary to re calibrate offset and repeat this process This is because the offset at atmosphere is multiplied by the slope first before the XC_offset is added subtracted Page 83 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 XEou aXEou a address of probe o signed offset u units of measure offset Where 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units a0011 a 0 a address of probe o offset in PSI Set field calibration offset Keller Digilevel KPSI 500 DISI 1210 H312 This command is used in the field when the probe is at atmosphere Command is used to zero out readings Offset set by this command
54. e for user_slope is 1 and user_offset is O Note that user slope and offsets are used only in certain modes and measurement commands Refer to the specific measurement command M C M1 etc for more information XUU command sets both offset and slope user_offset may be read by XRO RELATED O XRO XUU Z EXAMPLE COMMUNICATION From Probe O O Se 00011 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 106 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 XWRM Keller Digilevel mode only XWRMt Keller Digilevel mode only aXWRM aXWRMt a address of probe t number of minutes in continuous measurement mode a0011 att a address of probe t number of minutes left in continuous measurement mode Requests or sets number of minutes in continuous measurement mode Keller Digilevel Command enables continuous measurements Depth pressure and temperature measurements are made using RO R1 and R2 commands The probe is on for the number of minutes specified If 0 minutes is the time continuous measurements are stopped Measurements are updated every averaging period By default this is 10 seconds Using the XT command averaging int
55. e two o rings which help to retain the end cap to the housing Do not attempt to remove the o rings until all possible dirt and debris are removed Lower the pressure sensing end of the Digilevel into the container filled with water detergent and swish the Digilevel aggressively in order to dislodge contaminants from the sensing diaphragm the o rings and threaded area Again the temptation to scrub or scrape the sensing diaphragm must be resisted Usually cleaning by the method described above will enable the Digilevel to resume providing accurate data Reassemble in the reverse order taking care that the o rings are free from dirt and debris before the end cap is rein stalled Calibration A utility is provided in the Digilevel GUI program to facilitate adjustment of the Digilevel probe zero offset and sensi tivity gain values Instructions for the proper use of this utility are included in this manual It is recommended that the User thoroughly familiarize his or herself with this procedure before proceeding as the result is to alter the fac tory calibration zero and sensitivity span settings Page 5 Keller America Inc Digilevel User s Guide Rev 07 13 1 5 Digilevel Calibration Screen Operation WARNING Use of this utility will result in alteration of the factory calibration Good metrological practice must be observed including the use of calibrated instrumentation pressure standards otherwise the result will not be valid
56. ecuting XUM command at setup Temperature units is set by XUT Averaging and response time is set by XT command Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second There are many commands that affect offset Differences between actual and reported probe depth are set by XS command Other offsets such as XE and XWO are used in calibration lab or user measurement modes All offset commands can affect data returned to some degree and in some cases one offset command can overwrite another These are explained in each of the offset commands RELATED XE XS XT XUM XUP XUT XUU EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Recorder From Probe Oo O OM Request concurrent measurement 00112 Data can be read in 11 seconds 0 1 33 0 Returns 1 33 feet of water Suppose XUM 1 was executed during setup to return both depth and temperature and XUP was executed to return depth as cm of water XUP 3 Subsequent M data transactions will look like pom Request concurrent measurement Po 00114 Data can be read in 11 seconds After 11 seconds ODO ee Request depth and temperature 0 24 2243427 6540 Return depth as 24 22 cm of water and temperature as 27 65 degrees C 1 KPSI a Federally
57. eller Digilevel KPSI 500 DISI 1210 H312 Measures current pressure device is at atmospheric pressure and uses that value as an offset to future readings so they return 0 Command corrects for sensor offset not stage or field offsets Offsets set by O XUU XWO are not affected Command measures current pressure for the averaging period set by XT or XWMC Default is 10 seconds Sensor offset is also set by XE XSdu and Z commands This command will replace any offset set by these commands Sensor offset is used for most all depth pressure calculations in all emulation modes Only command that does not use this offset is in H312 mode command M1 C1 The third parameter sent as part of a aDO command is in PSI with out offset entering into the return A simplified formula illustrates how sensor and stage offsets enter into reported depth pressure calculation reported_measurement measurement sensor_offset XUU_slope XUU_ off set XUU_slope and XUU_ offset may not enter into the equation By default XUU_ slope is 1 while offset is O It is important to note that XUU_slope if used with sensor _ offset can affect reported_measurement In many ways this command is similar to XC XC however is used in a calibration laboratory environment under controlled conditions Command XSdu performs the same function as XS except user offset is added XE XSCS Xsdu Z 1 KPSI a Federally registered trademark and Series 500
58. er 11 secondS ODO a Request offset pressure Po 0 0 000121 Return as 0 000121 PSI 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 94 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 XSCS aXSCSd a address of probe d signed offset in feet of water a0111 Keller Digilevel and KPSI default response a0111 DISI 1210 default response a0031 H312 default response ap a address of probe p offset stage in PSI Zeros out sensor offset not field or stage offset then offset or stage in feet of water is added in future measurement commands Keller Digilevel KPSI 500 DISI 1210 H312 Command is primarily used for H312 mode Measures current depth pressure and adds an offset stage in PSI Future readings will add the a value specified in variable d above Command corrects for sensor offset not stage or field offsets This command is for H312 compatibility but will work in other modes It is similar to XSdu command above except that d units of measure is always PSI Offsets set by O XUU XWO are not affected Command measures current pressure for the averaging period set by XT or XWMC Default is 10 seconds for all modes except H312 which is 3 seconds
59. ervals can be changed XWRMt sets the number of minutes in continuous measurement mode XWRM retrieves the number of minutes RO R1 R2 XT Fromnecorier a OOOO O a S diStare continuous measurement for Sminutes a Oo Wai secors O J reouestoaa OOO S 0 1 081 0 24 872 0 Immediately returns 1 081 feet of water at 24 872 degrees C Wait 10 seconds oRO 0 1 083 0 24 868 0 Immediately returns 1 083 feet of water at 24 868 degrees C Page 107 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XWS SYNTAX aXWSs Where a address of probe s signed slope IMMEDIATE RESPONSE a0011 RESPONSE TO DO ats Where a address of probe s user slope FUNCTION Set user slope EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Sets user slope User slope is used in Keller Digilevel and KPSI modes only when user units of measure is selected In other modes default units of measure is multiplied by this number according to the general formula Reported_measurement measurement user_slope user_offset user_offset is set by XWO command Default value for user_slope is 1 and user_offset is 0 user_slope may be read by XRS Note that user slope and offsets are used only in certain modes and measurement commands Refer to the specific measurement command M C M1 etc for more information XUU command sets both offset and slope ELATED XUU XRS EXAMPLE COM
60. es Inc a maker of level and pressure transducers Page 86 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XRMC SYNTAX aXRMC Where a address of probe IMMEDIATE RESPONSE a0011 RESPONSE TO DO a d Where a address of probe d number of samples for averaging FUNCTION Requests number of pressure depth samples used for averaging EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Pressure depth measurements are taken 10 times second The average is computed first by summing each measurement When the number of measurements is taken the highest and lowest measurements are subtracted from the sum This sum is then divided by number of measurements minus 2 to arrive at the average XWMC may be used to set the number of samples XT command is used to set the number of seconds for averaging RELATED XWMC XT EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe O OXRMC Request number of samples Po 00011 Default response Returns 100 samples 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 87 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XRO SYNTAX aXRO Where a address of probe IMMEDIATE RESPONSE a0011 RESPONSE TO DO atd Where a address of probe d offset as set by O XWO and XUU FUNCTION Reque
61. et of water Default response H312 mode After 3 seconds ODO fo Request offset pressure Return as 0 000121 PSI Assume sensor is still at atmosphere and in H312 mode Request a measurement and return result pf Requestmeasurement O Po 0034 Default response H312 mode After 3 seconds ODO Po Request data from measurement Returns 1 886 PSI 1 886 with user slope and offset at 0 1 886 1 886 13 44 12 1 1 and O temperature in degrees C 13 4 and battery voltage 12 1 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 96 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XT SYNTAX aXTt Where a address of probe t number of seconds IMMEDIATE RESPONSE a0012 RESPONSE TO DO ats t Where a address of probe s number of samples t time in seconds FUNCTION Set number of seconds to average depth pressure measurements EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Measurement rate is 10 times second Default period is 10 seconds Averaging is disabled when t 0 This will return the fastest measurement time A pressure depth average is calculated by adding all of the readings during a measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of
62. eturns battery voltage via DO command none COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S O ome _ Measure battery voltage Po 00011 Default response Po 0412 9 Returns 12 9 volts Page 66 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 M7 MC7 aM7 aMC7 a address of probe a0114 Default response Keller KPSI and DISI mode a0034 Default response in H312 mode a p u t U Response to aM7 command a p u t U Response to aMC7 command a address of probe p Pressure as PSI includes offset t temperature in degrees C u depth pressure units of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters Requests pressure and temperature with units of measure Keller Digilevel KPSI 500 DISI 1210 H312 Requests a depth pressure and temperature measurement DO returns depth pressure and temperature with units of measure Default depth pressure units of measure is feet of water for Keller KPSI and H312 mode In DISI 1210 mode depth measurement is in meters of water Default averaging time is 10 seconds for Keller KPSI and DISI modes H312 mode is
63. f probe a0034 Default response to aM or aMC atst p t b Response to aM or aMO command a s p t bCRC Response to aMC or aMCO command a probe address b battery voltage p pressure as PSI s stage t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Command probe to perform a depth pressure temperature and battery voltage measurement H312 This is a measurement command Stage level pressure in PSI temperature in degrees C and battery voltage are measured By default averaging is over a period of 2 seconds Use XT or XWMC commands to change the number of averaging seconds or samples Offset and or slope are set by either XUU or XWO and XWS commands XE command is intended to correct for sensor drift It should be executed ina laboratory or other controlled condition In H312 mode stage is calculated as stage PSI XE_offset XUU_slope XUU_ offset By default XUU_slope 1 0000 and XUU_ offset 0 000 XWO may be used to set XUU_ offset and XWS to set XUU_ slope Pressure is returned as PSI It is not affected by programming slope and offset It is affected by the XE offset command Offset set by XE will be added to the current reading Average measurement interval is set by XT command Average depth pressure is calculated by adding all of the readings during the Page 52 Keller America Inc Digilevel User s Guide Rev 07 13 measurement interval When measureme
64. for depth measurements Ifnis 5 or more only an address acknowledge is returned and the number of decimal digits is not set When the number of digits is changed the new value is stored in non volatile memory Command need be executed only once during setup Number of decimal digits is immediately sent out after this command is issued Issuing a DO command will not return decimal digits Number of decimal digits displayed is not necessarily related to accuracy Under low water conditions gt 1 meter calculations may be carried out to decimal 6 digits On the other hand under very high water level conditions 100 meters accurate calculations are carried out to decimal 3 digits Temperature is not affected by this command When Keller probe is in any other mode than DISI 1210 response will be its address and will have no effect on number of decimal digits XUP command may also be used to set the number of decimal digits RELATED XUP EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe OK PO Request number of decimal digits a 0003 Default response 3 decimal digits are immediately sent out Page 46 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS Digilevel User s Guide Rev 07 13 L DISI 1210 mode only Lt DISI 1210 mode o
65. ging cinia duces scdedecesccdcdedese hoes A Ea NEE Nome nela UE err arrr rer a aa eae Eaa ear E e a E ea aN C mmand Set siinsete aeaee eA aAa eaa Ea A aasa EINES 3 Digilevel CD Contents Section 3 Digilevel Graphical User Interface Program Dongle Required Command Cross Reference Emulate Modes Rev 07 13 Keller America Inc Digilevel User s Guide Rev 07 13 Disclaimer The Keller Digilevel water level transmitter is designed for data gathering applications It is not intend ed for nor is it authorized for use in any life support application 1 1 Introduction Thank you for your trust in Keller America We are committed to providing our customers with the best value avail able today in level monitoring instrumentation The Keller Digilevel SDI 12 Water Level Transmitter complies with all aspects of the SDI 12 Serial Digital Interface Standard for Microprocessor Based Sensors v 1 3 Combined with the 900001 0043 Dongle accessory and the SDI 12 GUI Graphical User Interface it is the easiest to operate of all cur rently available SDI 12 submersible level transmitters The Digilevel hardware is based upon state of the art pressure sensing technology produced in house by Keller well known for accuracy and stability The signal conditioning section utilizes advanced digital error correction and provides a high degree of immunity from ground transients as can be caused by nearby lightning strikes The enclo sure is designed to provi
66. he Digilevel probe can take measurements 10 times second after a 0 75 second warm up Thus the first measure ment is complete 0 85 seconds after the start of the SDI 12 request command If the command requests a return of depth pressure and averaging is not 0 then averaging is performed Commands that will average depth pressure are MO MCO CO CCO M1 MC1 C1 CC1 M7 MC7 C7 and CC7 Temperature is not averaged Minimum average is 10 samples or 1 second Averaging is performed as follows All readings are summed during the averaging period The highest and lowest readings are also recorded When a depth pressure measurement is requested via the aDO command the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples 2 The result is returned 2 8 Nomenclature The following nomenclature is used for the command set descriptions below a address of probe ddd number data Has or prefix sign c signed field calibration in PSI ccc character data m mode 0 or 1 n single number o signed user offset p pressure Has or prefix sign s signed user slope ttt time in seconds for response t signed temperature or time XT command u units of measure corresponding to the following 0 feet of water 1 PSI 2 kilopascal 3 cm of water Page 13 Keller America Inc Digilevel User s Guide Rev 07 13 4 meters
67. he mode it is in For example in Keller Digilevel mode M returns feet of water In DISI 1210 mode meters of water are returned In H312 PSI is returned Temperature may or may not be returned depending upon mode and configuration depends upon mode DESCRIPTION amp COMMENTS Configure for DISI 1210 00011 Default response From Probe Return mode number 3 which is DISI 1210 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 104 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 XWMC aXWCn a address of probe n number of samples a0011 a n a address of probe n number of samples 10 Set number of samples for averaging Keller Digilevel KPSI 500 DISI 1210 H312 Sets number of samples to take for averaging Samples must be in multiples of 10 Default is 100 samples Measurements are taken 10 times second 10 samples are always added to the number requested For minimum number of samples use aXT 0 This will take 1 sample and not average This command is similar to XT XT sets the number of seconds to sample Sampling rate is always 10 times second Readings are averaged over a period of 10 seconds High and l
68. hermally induced errors Further the user interface section complies with all hard and software requirements of SDI 12 Version 1 3 in addition to supporting several emulate modes for other popular SDI 12 water level probes The user interface of the signal conditioning electronics includes a parallel arrangement of avalanche diodes and gas filled discharge tubes proven to be very effective in protecting the transmitter from transient ground voltages such as are created by nearby lightning strikes The electronics are potted into the housing in order to provide an additional layer of protec tion against moisture and shock vibration Regardless avoid dropping the Digilevel onto hard surfaces It is a preci sion instrument and can be damaged by severe impact with hard surfaces Page 4 Keller America Inc Digilevel User s Guide Rev 07 13 Cleaning Recommendations Should pressure inlets on the Digilevel become fouled with silt or algae it may be safely cleaned so long as caution is exercised Keep in mind the sensing diaphragm resides just underneath the protective cap that is screwed onto the end of the Digilevel This diaphragm must not be touched with anything except cleaning solution i e contact with fingernails brushes pocket knives etc can permanently damage the sensing diaphragm Filla small container with water also mild detergent if available Carefully unscrew the end cap from the Digilevel and set aside You will note there ar
69. imal numbers for pressure depth units of measure a0012 aud a address of probe u pressure depth units of measure per above d displayed number of decimal numbers for pressure depth units of measure Change reported units of measure and displayed number of digits to right of decimal Keller Digilevel KPSI 500 When a measurement command is executed such as M the result returned using DO is in feet of water by default This can be changed using this command When user units of measure are desired both XUP and XUU must be executed Number of digits to right of decimal is 3 by default This parameter is optional and the number can be changed if desired This command will not have an effect in returning other units of measure in DISI 1210 and H312 modes M C M3 C3 M7 C7 RO R1 XC DESCRIPTION amp COMMENTS From Probe O O Set units of measure to PSI 00112 Default response Return unit of measure as 1 and 3 for number of digits to right of decimal Page 99 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XUT SYNTAX aXUTu Where a address of probe u Temperature units Where 0 degrees Celsius 1 degrees Fahrenheit IMMEDIATE RESPONSE a0011 RESPONSE TO DO au Where a address of probe u Temperature units per above FUNCTION Changes temperature units of measure EMULATION MODES Keller Digilevel KPSI 500 DESCRIPTION Temperature units are returned as Celsius b
70. its up to 6 decimal places for slope and offset if desired Page 9 DIGILEVEL SECTION 2 Keller Digilevel Command Set KELLERAMERICA Newport News Virginia U S A Revision 4 July 2013 Keller America Inc Digilevel User s Guide Rev 07 13 Appendix 1 Keller Digilevel SDI 12 Command Set 2 1 Introduction The Keller Digilevel SDI 12 probe has a number of command features that provide flexibility for use in just about any ground or surface water measurement application The Digilevel is ready to use out of the box However site situ ations usually require some customization in order to provide meaningful measurements To facilitate this flexibility many extended commands are provided These extended commands allow you to set units of measurement and adapt to site stage situations Since site requirements vary widely not all extended commands will be used You should quickly review these extended com mands to determine if any one of them is suitable for your needs Keller has a PC based probe setup program called Digilevel An Dongle adapter connects to the USB port on your PC while 3 terminals connect to the probe Software guides you through most all of the requirements you may encoun ter A terminal program allows you to talk directly to the probe The Digilevel probe can be configured to emulate several other manufacturer s products including Design Analysis KPSI and Tavis A listing of differences and supported
71. lts is minimum operating voltage 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 109 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND Z DISI 1210 mode only ZX DISI 1210 mode only SYNTAX az aZX Where a address of probe IMMEDIATE RESPONSE a0010 Default response in DISI 1210 mode a All other modes RESPONSE TO DO a Where a address of probe FUNCTION Valid for DISI 1210 mode only Command gt aZ zeros out water level reading by reading current level assumed to be at atmospheric conditions negating it and using that as the offset for future readings Command gt aZX restores offset to a value of 0 EMULATION MODES DISI 1210 DESCRIPTION Valid for DISI 1210 mode only Other modes will return an address only aZ is meant to eliminate any offset errors or changes in offset due to sensor changes Command assumes sensor is at atmospheric conditions An average reading is made That level with current slope is negated and used as user_offset in future readings General formula for measurements commands M C M1 C1 M2 C2 is Measurement_result level user_slope user_offset Variable user_offset can be changed by XUU O and XWO commands This command is virtually the same as XS Command aZX forces user_offset to zero It has the same effect as executing aXWO 0 an
72. mperature in degrees and units of measure of that temperature Keller Digilevel KPSI 500 Temperature is not averaged Temperature units of measure is changed using the XUT command Default is degrees C XUT COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder _ FromProbe Poca Start temperature measurement Po 001102 Default response After11seconds 0o sf Requestdata S O Po 0 26 256 0 Returns temperature of 26 256 degrees in Celsius 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 27 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND C2 DISI 1210 mode only CC2 DISI 1210 mode only SYNTAX aC2 aCC2 Where a address of probe IMMEDIATE RESPONSE a01104 Default response RESPONSE TO DO a d t Response to aC2 command a d tCRC Response to aCC2 Where a address of probe d depth in meters of water t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters RESPONSE TO D1 ath l at th ICRC Where a probe address h High reading during measurement interval Low reading during measurement interval FUNCTION Measures depth in meters of water and temperature DO command returns average depth and temperature D1 returns highest and lowest measurements during averaging period in meters of water All depth readings can be converted
73. n All M and C commands may have a CRC appended to the data Unless otherwise specified defaults are always for Keller Digilevel 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 14 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND SYNTAX IMMEDIATE RESPONSE a Where a address of probe RESPONSE TO DO n a FUNCTION Return address of probe in DISI 1210 mode EMULATION MODES DISI 1210 DESCRIPTION Probe responds to this command only when in DISI 1210 mode It is ignored no response in other modes Command is equivalent to SDI 12 s address query command A Only one probe should be connected to the recorder or Digilevel dongle when issuing this command Any and all probes configured for DISI 1210 emulation mode will respond RELATED EXAMPLE Query a probe s address in DISI 120 mode COMMUNICATION DESCRIPTION amp COMMENTS Frtom Recorder mommo O OOS S S D ee S ae Response is address 2 for this example Any valid SDI 12 address is pos sible Page 15 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND SYNTAX IMMEDIATE RESPONSE a Where a address of probe RESPONSE TO DO n a FUNCTION Queries probe address EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Command queries probe address This is useful when you d
74. nd offset according to the following formula reported value PSI user_slope user_offset The XUP command must be executed prior to retrieving a custom measurement XUP must be configured for user units of measurement XUP command sets units of measure and number of decimal places and are stored in non volatile memory and need to be programmed only once When operating in Keller Digilevel and KPSI 500 modes default values are 1 for slope O for offset Slope and offset set by XUU in Keller Digilevel and KPSI 500 modes are not used until XUP sets measurement mode to user units 9 XUU XWS XWO F and O slope and offset commands are used in the following measurement commands while in DISI 1210 mode M C M1 C1 M2 and C2 XUU XWS XWO F and O slope and offset commands are used in the following measurement commands while in H312 mode M and C XUP M C M1 C1 RO R1 XWRS F O Page 102 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Suppose your probe is in a stilling well and you must measure in inches of water PSI is converted into inches of water by multiplying 27 6799 27 6799 becomes the slope If the probe is situated above the bottom of the well you can add in offset also An offset is required even if it is 0 COMMUNICATION DESCRIPTION amp COMMENTS From Recorder From Probe Will convert PSI into inches water and add offset of l a OT aes 302 3 05 inches for this example Respon
75. ne By default measurement is in meters of water Use this command to change this unit of measure to something else The value from the current reading without offset will be multiplied by this slope factor Default slope is 1 000 Formula is returned data Meters_of_water slope offset Offset is set by the O command When this command is executed in any other mode immediate response will be the probe s address Slope may not be set or read O XWS XRS XUU COMMUNICATION DESCRIPTION amp COMMENTS After 1 second ODO 0 1 000000 Return slope as 1 000000 Page 43 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND SYNTAX al Where a address of probe IMMEDIATE RESPONSE 13 KELLER DIGIL v s Immediate response Where v Digilevel software version s 5or 6 digit serial number RESPONSE TO DO n a FUNCTION Immediately return probe information EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Probe will always respond with SDI 12 version 13 which is 1 3 unless there is a change to SDI 12 version and KELLER DIGIL as description Current version 1 1 may change in the future Last number is probe serial number It will be a5 or 6 digit number RELATED None EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S O po Request probe information p18 KELLER DIGIL 1 1 21596 1 KPSI a Federally registered trademark and Series 500 a model
76. ng period is 2 seconds or 20 measurements This is changed using the XT or XWMC commands XT XWMC COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S O o oes Starta pressure measurement O Po 000301 Default response Po 0 1 234 Return 1 234 PSI Page 32 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND C4 Keller Digilevel KPSI and DISI 1210 modes CC4 Keller Digilevel KPSI and DISI 1210 modes SYNTAX aC4 aCC4 Where a address of probe IMMEDIATE RESPONSE a00102 Default response RESPONSE TO DO a st o Response to C4 command a st oCRC Response to CC4 command Where a address of probe s Standards lab slope o Standards lab offset in PSI CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Requests slope and offset set by XC command If XC command was not executed default slope is 1 000 and offset is 0 000 EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 DESCRIPTION Request slope and offset as set by XC command XC command should be executed in a calibration lab environment If XC command was not executed then slope is 1 0000 and offset is 0 000 This command is normally executed in conjunction with XC command during a calibration process in a laboratory environment Use XE or XS commands to adjust offset in the field RELATED XC XE XS EXAMPLE COMMUNICATION From Probe po 000102 Return calibration lab slope of 1 000 and calib
77. nly aL Request current averaging time aL t Set averaging time a address of probe t averaging time in seconds a010 Default response 10 seconds n a Returns or sets and returns averaging time DISI 1210 Returns or sets and returns averaging time for depth measurements Data available time to a measurement command such M will be 1 second longer Additional second allows for sensor warm up Number of seconds is immediately sent out after this command is issued Issuing a DO command will not return number of seconds XT command may also be used to set averaging time in seconds Temperature measurements are not affected by this command Temperature is never averaged When Keller probe is in any other mode than DISI 1210 response will be its address Average depth is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second XT Request averaging time Default response time is 10 seconds Page 47 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 M Keller Digilevel and KPSI modes only MC Keller Digilevel and KPSI modes only aM aMO aMC aMCo a
78. nt interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second RELATED XT XUU XE XWO XWS XWMC XRMC EXAMPLE COMMUNICATION From Probe ay 000304 After 3 seconds ODO Request data from measurement 0 0 009 0 004 28 24 9 5 Stage is 0 009 PSI is 0 004 temperature is 28 2 de grees C and battery voltage is 9 5 volts Page 53 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M1 Keller Digilevel and KPSI modes only MC1 Keller Digilevel and KPSI modes only aM1 aMC1 a address of probe a0111 Default response to aM1 or aMC1 a p Response to aC1 command a pCRC Response to aCC1 command a probe address p pressure CRC Cyclic Redundancy Check value as ASCII characters Measure pressure as PSI Keller Digilevel KPSI 500 Measure as PSI User offset and slope correction set by XE XS or other similar commands are not included However values set by the XC command are used XC command should only be used in a calibration laboratory environment Readings are averaged over a period of 10 seconds by default Readings are taken at a rate of 10 times per second Averaging time can be changed using the XT command High and low
79. o not know its address Only one probe should be connected to the recorder or Digilevel dongle when issuing this command Any and all probes connected will respond RELATED for DISI 1210 only EXAMPLE Query a probe s address COMMUNICATION DESCRIPTION amp COMMENTS rromRecorder Fromprobef SSCSC Y So 1 Response is address 2 for this example Any valid SDI 12 address is accepted 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 16 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND A SYNTAX aAb Where a original probe address b new probe address IMMEDIATE RESPONSE b RESPONSE TO DO n a FUNCTION Changes probe address EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Default probe address is 0 Each probe or SDI 12 compatible device must have a unique address when operating on a single bus This command allows the Digilevel in any mode to change its address Any SDI 12 address may be used ASCII 0 through ASCII 9 are usually the first addresses used If more than 10 devices are on a bus then ASCII A through ASCII Z decimal 65 through 90 and ASCII a through ASCII z decimal 97 through 122 may be used RELATED none EXAMPLE Change the address of a probe from 0 ASCII zero to 1 COMMUN
80. of water 5 mm of water 9 user entered scale factors If field calibration offset is not 0 add 10 to the above units of measure If following temperature data 0 C 1 F v signed battery voltage lt cr gt lt lf gt ASCII 13 followed by 10 2 9 Command Set Notes This list will frequently use the word setup During setup the probe is configured Configuration settings need to be done only once All X and the A commands are generally executed once during setup Some commands have been broken out into separate pages based upon emulation mode The M command for example returns different data depending upon the operating mode Keller DISI H312 Some commands exceed 1 page due to their complexity It may be helpful to note that many commands not listed in DISI 1210 or H312 manuals are allowed when operating in these modes Some commands from DISI 1210 and H312 work while operating in Keller and KPSI modes This results in command duplication overlap Some DISI 1210 and H312 responses to commands do not conform to SDI 12 specifications In any one of these two emulation mode malformed messages are faithfully reproduced in order to simulate that probe s operation Keller and KPSI probes adhere to SDI 12 specifications Part of the preface for the user should note that M and C commands have an optional checksum as part of it Under Related paragraph these were not included in the interest of simplificatio
81. offset is also set by XE XS and Z commands This command will replace any offset set by these commands Sensor offset is used for most all depth pressure calculations in all emulation modes Only command that does not use this offset is in H312 mode command M1 C1 The third parameter sent as part of a aDO command is in PSI with out offset entering into the return A simplified formula illustrates how sensor and stage offsets enter into reported depth pressure calculation reported_measurement measurement sensor_offset XUU_slope XUU_ offset XUU_slope and XUU_ offset may not enter into the equation By default XUU_ slope is 1 while offset is O It is important to note that XUU_ slope if used with sensor _ offset can affect reported_measurement Page 93 Keller America Inc Digilevel User s Guide Rev 07 13 XUU slope and offset are not used in Keller Digilevel or KPSI modes unless user units is specified They may be used in other modes depending upon measurement command issued In many ways this command is similar to XC XC however is used in a calibration laboratory environment under controlled conditions Command XS performs the same function as XSdu except user specified depth pressure is not used RELATED O XS XSCS XUU XWO EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Recorder __ FromProbe o O OXC 2 35 0 PO Start offset adjustment to force 2 35 feet Po 00111 Default response Aft
82. or pressure depth are measured in Bar When a measurement request is made the program reads the probe in Bar and then converts it to the desired units of measurement When user slope offset command is enabled through XUU and XUP commands the measurement is converted into PSI first then multiplied by user slope Units of measurement are 0 feet of water 1 PSI 2 kilopascal 3 cm of water 4 meters of water 5 mm of water 9 user entered scale factors If field calibration offset set by XE or XS commands is not 0 add 10 to the above units of measure 2 5 Offset Note There are 3 kinds of offsets used to calculate readings One offset set by the XE command is used to adjust the pressure sensor readings This command is to compensate for sensor drift over time The second offset set by the XS command is for stage gage or offset It is an add to or subtract from current read ing usually in feet to return some level XS command can be used in one of two ways With or without parameters Its use is best illustrated by examples Suppose you place a probe in a body of water 15 feet down You want the probe to return the change in the water level using the current level as a reference You would execute the XS command without any values This would make the current level the zero or reference level Next example supposes a probe is placed 15 feet down in a 20 foot deep body of water You want to return the w
83. ow pressures are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Number of samples may be retrieved using XRMC XRMC XT COMMUNICATION DESCRIPTION amp COMMENTS _FromRecorder __ FromProbe o O OXWMC 30 Po Set 30 samples Will be 40 samples Po 00011 Default response pot Return 40 samples 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 105 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XWO SYNTAX aXWOo Where a address of probe o signed offset IMMEDIATE RESPONSE a0011 RESPONSE TO DO ato Where a address of probe o offset FUNCTION Writes user offset used for pressure depth calculations EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Sets user offset Useroffset is used in Keller Digilevel and KPSI modes only when user units of measure is selected In other modes default units of measure is multiplied by this number according to the general formula Reported_measurement measurement user_slope user_offset user_slope is set by XWS command Default valu
84. p Press this button to re establish communication between PC and dongle 12 Calibration procedure guide This box is a quick summary of the calibration process It is possible to seamlessly go between Calibration tab and any other tab However when you re enter the calibration tab Digilevel program will gather device ID slope and offset data Most buttons and tabs are disabled while reading and updating the device Exit is the only button always enabled Error Conditions If the program starts without a dongle you cannot enter calibration mode While Digilevel program is running you can insert a dongle and press the Restart Communication button When Digilevel program detects the dongle then you can enter the password and go on If you start the Digilevel program and no Digilevel probe is attached dongle is attached and working you can get into the calibration tab after the login procedure The box in Figure 2 comes up but for a shorter period of time The Converter to Device LED will blink red as in the communication tab When you connect a Digilevel probe and the Digilevel program recognizes it the program will automatically go out and get the device s ID slope and offset You cannot have a negative number or zero for device slope Slope values are not range checked meaning you can have a correction factor of 2000 if you like By design slope factor is presented to 5 decimal places The user can enter more dig
85. pressures are not used for calculating the average unless they occur more than once The average is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 XC XT COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S pom Start pressure measurement O Po 00111 Data can be read in 11 seconds After 11 seconds ODO Po Request data from measurement Po 0 1 445 Returns 1 445 PSI 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 54 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M1 DISI 1210 mode only MC1 DISI 1210 mode only aM1 aMC1 a address of probe a0112 Default response to aM1 or aMC1 a p t Response to aM1 command a d tCRC Response to aMC1 command a address D meters of water t temperature in degrees C CRC Cyclic Redundancy Check value as ASCII characters Returns depth as meters of water or user converted value and temperature in degrees C DISI 1210 Depth reading may be converted into user units and offset By default
86. ration lab 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 33 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND C4 H312 only CC4 H312 only SYNTAX aC aCC4 Where a address of probe IMMEDIATE RESPONSE a00101 Default response RESPONSE TO DO a b Response to C4 command a bCRC Response to CC4 command Where a address of probe b battery voltage CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Measure voltage at probe EMULATION MODES H312 DESCRIPTION Measures voltage at probe RELATED none EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe J S O o owm _ Measure battery voltage Po 000101 Default response Po 0 13 3 Return 13 3 volts Page 34 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND c5 Cc5 SYNTAX acs aCc5 Where a address of probe IMMEDIATE RESPONSE a00102 Default response RESPONSE TO DO at t U Response to aC5 command a t UCRC Response to aCC5 command Where a address of probe t temperature in degrees C or F U temperature units of measure Where 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Request temperature DO response will be in degrees F or C depending upon emulation mode and configuration EMULATION MODE
87. re 0 degrees C 1 degrees F CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Requests temperature units of measure Units of measure may be set by XUT command while in Keller Digilevel and KPSI modes only EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Returns temperature units of measure Default is 0 Degrees C RELATED XUT EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS From Probe Request temperature Po 00011 Default response After 1 second ODO Request data Po Return 0 meaning degrees C 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 39 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION Digilevel User s Guide Rev 07 13 c9 CC9 acg aCcg a address of probe a00103 Default response at tste c Response to aC9 command a s e cCRC Response to aCC9 command a address of probe s response depends upon probe mode Where response will always be Keller and KPSI 1 DISI 1210 48335 H312 123 456 e response depends upon probe mode Where Keller and KPSI mode 0 OK 1 sensor error DISI 1210 58297 always returned H312 78 9 always returned c response depends upon probe mode Where Keller and KSPI mo
88. response to aM3 or aMC3 a p Response to M3 command a pCRC Response to MC3 command a address of probe p Pressure as PSI CRC Cyclic Redundancy Check value as ASCII characters Measure pressure as PSI Do not include offsets H312 Pressure is measured in PSI No offsets set by XWS or XE are used Averaging period is 2 seconds or 20 measurements This is changed using the XT or XWMC commands XT XWMC COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe S poms Starta pressure measurement O Po 000301 Default response Po 0 1 234 Return 1 234 PSI Page 62 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND M4 Keller Digilevel KPSI and DISI 1210 modes MC4 Keller Digilevel KPSI and DISI 1210 modes SYNTAX aM4 aMC4 Where a address of probe IMMEDIATE RESPONSE a0012 RESPONSE TO DO a st o Response to M4 command a st oCRC Response to MC4 command Where a address of probe s Standards lab slope o Standards lab offset in PSI CRC Cyclic Redundancy Check value as ASCII characters FUNCTION Requests slope and offset set by XC command If XC command was not executed default slope is 1 000 and offset is 0 000 EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 DESCRIPTION Request slope and offset as set by XC command XC command should be executed in a calibration lab environment If XC command was not executed then slope is 1 0000 and offset is 0 000
89. ribed below Page 7 Keller America Inc Digilevel User s Guide Rev 07 13 10 Get device reading When this button is pressed it changes to Reading When done it changes back Units of measure and temperature is updated much like live reading Unlike live reading only one measurement is taken If the reading is less than one the program assumes you are trying to do offset Value of one works for most units of measurement except for mm of water If the reading is less than one then the Enter offset in units of measure below box is filled in with a calculated value Its value is figured as follows 1 current reading current Digilevel probe offset If current Digilevel probe offset is O then the negative value of the current reading is filled in In any case the user can put in any number desired Another box Device slope is also conditionally filled in If the current reading is within 10 of the Target depth a slope is calculated Suggested slope is calculated as follows Slope Actual_ measurement Digilevel_slope reading Where Actual measurement is value from that box Digilevel probe slope is from Current slope box reading just below get device reading button is what the Digilevel probe returns A suggested slope is put into the Device slope box The user can enter any value they want in this box Set offset This command sends the number in the
90. s returned c response depends upon probe mode Where Keller and KPSI mode number of errors detected DISI 1210 0 always returned H312 1 always returned CRC Cyclic Redundancy Check value as ASCII characters Duplicates V command for sensor verification Keller Digilevel KPSI 500 DISI 1210 H312 Keller Digilevel and KPSI modes will return the number and type of sensor errors detected s parameter is always 1 Third parameter e should be 0 to indicate no errors detected A 1 is returned when a sensor error is detected Fourth parameter c returns the count or number of errors detected since power up M9 or V command was executed Errors are cleared when this command is executed While in DISI 1210 and H312 modes responses will always be the same DISI will always return a 48335 58297 0 780 0 H312 mode will always return a 123 456 78 9 1 A CRC is appended if C is included Page 70 Keller America Inc Digilevel User s Guide Rev 07 13 RELATED V EXAMPLE COMMUNICATION From Probe O O 00013 After 1 second ODO Po 0 1 0 0 Return no problems in Keller mode 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 71 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELA
91. samples minus 2 Temperatures are not averaged but the time to request only temperature see C7 M7 and R2 commands is subject to this time interval Only whole numbers are allowed Any time with a decimal is rounded down All depth pressure and temperature commands are subject to this command Continuous read RO R1 and R2 update measurements based on this time XWMC affects time interval XWMC sets number of samples which determines the number of seconds for averaging RELATED XWMC XRMC EXAMPLE COMMUNICATION From Probe O O 00012 Po 0 50 5 000000 Return 50 samples over 5 seconds 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 97 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XUM XUMn SYNTAX aXUM aXUMn Where a address of probe n measurement mode Where 0 return pressure depth only 1 include temperature and unit of degrees IMMEDIATE RESPONSE a0011 RESPONSE TO DO a n Where a address of probe n measurement mode per above FUNCTION Sets or requests how much data is returned in M or C command EMULATION MODES Keller Digilevel KPSI 500 DESCRIPTION Command is useful only in Keller Digilevel and KPSI modes XUM requests current measurement mode By default only depth pressure is returned n 0 Temperature may be appended to M and
92. se to command Will return service response address Request programmed data a 27 679900 3 050000 Response to DO command Use XUP command to use values set by XUU Also set number of decimal places returned aXUP 943 Return depth pressure measurements in user units to 3 decimal places XUP command can be executed before or after XUU Refer to XUP command for more information 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 103 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE COMMUNICATION OXWCO 3 Wait 1 second ODO Digilevel User s Guide Rev 07 13 XWCO aXWCOm a address of probe m Probe mode Where 1 Keller Digilevel 2 KPSI 500 3 Tavis DISI 1210 4 Water Log DA H312 a0011 atm a address of probe m Probe mode per above Configures probe to operate or emulate product specific commands for recorder compatibility Keller Digilevel KPSI 500 DISI 1210 H312 Keller Digilevel can emulate one of 3 probes The probe will respond to some commands listed in this manual in different ways Other commands only work in specific emulation modes Generally measurement commands M C M1 C1 M2 and C2 respond with different data depending upon t
93. slope is 1 0000 and offset is 0 000 User slope and offset may be set using XUU command Depth returned by DO is computed as follows Return PSI XE_offset user_slope user_offset By default user_slope 0 70326 user_offset 0 000 and XE_offset 0 000 Multiply PSI by 0 70326 will return meters of water Command F may be used to set user_slope while command O to set user_offset It will have the same effect as using XUU XT command may be used to set averaging time Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second Temperature is returned in degrees C F O XE XT XUU COMMUNICATION DESCRIPTION amp COMMENTS After 11 seconds ODO From Probe SSS O 10112 1 2 001 25 7 Depth of 2 001 meters temperature is 25 7 C Page 55 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED EXAMPLE Digilevel User s Guide Rev 07 13 M1 H312 mode only MC1 H312 mode only aM1 aMC1 a address of probe a00304 Default response to aM1 or aMC1 a p t P t Response to aM1 command a p t P tCRC Response to aMC1 command a address of probe p Pressure as P
94. so Keller Digilevel KPSI 500 This is a measurement command Response to this command depends upon emulation mode Check on next pages for DISI 1210 and H312 for information while operating in those modes Number and type of data returned will depend upon configuration By default depth is returned as feet of water Other units of measure can be returned by executing the XUP command at setup Custom units of measure are setup by executing the XUU command during probe configuration as are all X commands listed here Page 18 Keller America Inc Digilevel User s Guide Rev 07 13 Temperature is appended by executing XUM command at setup Temperature units is set by XUT Averaging and response time is set by XT command Average depth pressure is calculated by adding all of the readings during the measurement interval When measurement interval is complete the highest and lowest readings are subtracted from the sum The sum is then divided by the number of samples minus 2 Measurements are taken 10 times second There are many commands that affect offset Differences between actual and reported probe depth are set by XS command Other offsets such as XE and XWO are used in calibration lab or user measurement modes All offset commands can affect data returned to some degree and in some cases one offset command can overwrite another These are explained in each of the offset commands RELATED XS XT XUM XUP XUT XUU EXAM
95. sphere is 0 011 feet of water To adjust this offset negate the value as part of the XE command From Recorder From Probe pe O oxE 011 0 sd Setffset o After 1 second ODO if Requestdata S O 0 0 011000 a e po Response After 11 seconds ODO ss Requestwaterlevel O Water level is 1 020 feet units of measure is water and 0 1 020 10 a field offset was performed 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 85 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XRCO SYNTAX aXRCO Where a address of probe IMMEDIATE RESPONSE a0011 RESPONSE TO DO atd Where a address of probe d probe mode Where 1 Keller Digilevel 2 KPSI 3 DISI 1210 4 H312 FUNCTION Requests current probe configuration EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Keller Digilevel probes can be configured to emulate a number of other probes This command returns its current mode Last letter in command is letter O not number zero RELATED XWCO EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS __ From Recorder FromProbe o O OXRCO Po Request current mode configuration Po 00011 Default response Po 0 1 Returns Keller Digilevel mode 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialti
96. st offset used for depth pressure measurements EMULATION MODES Keller Digilevel KPSI 500 DISI 1210 H312 DESCRIPTION Last character in command is letter O not number zero Offset is used in the following measurement commands in Keller Digilevel or KPSI modes M C O XWO and XUU offset is used only when user units of measure 9 is set by XUP in Keller Digilevel or KPSI modes Offset is used in the following measurement commands in DISI 1210 mode M C M1 C1 M2 C2 Offset is used in the following measurement commands in H312 mode M C first PSI parameter only This offset is the last number added to the depth pressure reading before it is sent out Reported_reading reading offset The variable reading in this case is pressure depth or user units of measurement RELATED O XUU XUP EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe OXRO Request offset used Po 00011 Default response ee 0 0 000000 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 88 Keller America Inc Digilevel User s Guide Rev 07 13 COMMAND XRS SYNTAX aXRS Where a address of probe IMMEDIATE RESPONSE a0011 RESPONSE TO DO a d Where a address of probe d slope as set by F XWS and XUU FUNCTION Request slope used for depth pressure measurements EMULATIO
97. ter 10 seconds ORO Td 0 1 083 0 24 868 0 Immediately returns 1 083 feet of water at 24 868 degrees C Page 74 Keller America Inc COMMAND SYNTAX IMMEDIATE RESPONSE Where RESPONSE TO DO FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 R1 Keller mode only aR1 adu a address of probe d Depth pressure u depth pressure units of measure 0 feet of water 1 PSI 2 kPa 3 cm of water 4 meters of water 5 mm of water 9 user units n a address only After command is issued averaged depth pressure and units of measure are immediately returned Keller Digilevel Once the XWRM command has been issued depth pressure may be returned immediately using the R1 command after the time indicated by XWRM response A DO command is not necessary to return data Depth pressure are averaged Averaging time is set by XT command Measurements are started immediately after the XWRMt command is executed The recorder should wait for the time returned by the probe before the first query with RO The probe response indicates when the first valid measurement may be read in seconds If a measurement is not valid 999 000 is returned Depth pressure units is set with XUP command Data is updated every averaging period If RO is executed twice in one averaging period the same data is returned Probe s address is returned when measurement time set by XWRM
98. tions Device Setup Site Parameters Live Reading Termina Calibration Set silicon sensor slope and offset factors Communication Status Device Information PC to Converter a Manufacturer Converter to device KELLER E Please Wait F Restart Gommunication Reading S N slope and offset Please wait about 10 seconds Current offset P Current slope 22 Set Slope and Current offset Reset sensor Please wait several seconds for sensor Get device reading slope and offset to update Figure 2 Opening calibration Message 3 A box comes up informing the user that the Digilevel probe is getting queried for its ID slope and offset This takes less than 10 seconds Box goes away when all information is collected 4 The program will automatically attempt to communicate with the Digilevel probe and retrieve information slope and offset If no Digilevel probe is detected program will try to re establish communications every second Digilevel probe slope and offset are put into the Current offset and Current slope boxes 5 The user now can start the calibration process The process is iterative since the offset and sensitivity adjustments are interactive It is necessary to read the device set offset read device again reset offset as necessary apply pressure to device set target depth pressure read the device set the slope and offset read the device again done Each button is desc
99. ued multiple times until satisfactory results are obtained Next set the offset Obtain the current reading should be at atmosphere using the M command Take the current reading negate it and use it as the offset for the next XC command Issue the M command and get the reading Ideally current reading should be 0 If not adjust offset as necessary Page 81 Keller America Inc Digilevel User s Guide Rev 07 13 When zero pressure is satisfactory apply a known calibrated pressure or place in a water column of known depth If placing in water column be sure to allow the probe to acclimate Take a depth reading again Compare it with the known pressure or depth reading You will now calculate the slope to correct for any errors at depth pressure XC_slope Known_depth pressure Reported_depth pressure Use the same offset as previously used but now include the XC_slope After calibration you can set units of measure and or mode Keller Digilevel program has a means of calibrating the probe which is described earlier in this manual RELATED XWCO EXAMPLE Sample shows calibration process COMMUNICATION a 260 Page 82 Keller America Inc Digilevel User s Guide Rev 07 13 EXAMPLE Sample shows calibration process continued FromRecorder FromProbe oM P Take reading to get current pressure depth _ After 11 seconds 0DOI Requestdata SS Assume depth is 11 000 feet Using above formula XC_slop
100. y default Degrees Fahrenheit may also be returned by setting this command Command does not affect other operating modes where temperature is always returned in degrees C RELATED M C M2 C2 M5 C5 M7 C7 RO R2 EXAMPLE COMMUNICATION DESCRIPTION amp COMMENTS FromRecorder FromProbe o OXUT 1 PO Request temperatures in degrees F Po 00011 Default response Po 0 1 Return 1 signals degrees F 1 KPSI a Federally registered trademark and Series 500 a model designation are owned by Measurement Specialties Inc a maker of level and pressure transducers Page 101 Keller America Inc COMMAND SYNTAX Where IMMEDIATE RESPONSE RESPONSE TO DO Where FUNCTION EMULATION MODES DESCRIPTION RELATED Digilevel User s Guide Rev 07 13 XUU aXUUso a address of probe s signed slope o signed offset a0012 aso a address of probe s signed slope o signed offset Sets slope and offset values to be used when taking a reading in custom units of measurement These values are stored in non volatile memory and need to be programmed only once but can be reprogrammed if necessary Keller Digilevel KPSI 500 DISI 1210 H312 Sometimes custom units of measure are required This command sets the constants necessary to convert a measurement from PSI into custom units of measure When a measurement command is requested M MO M1 etc the Keller Digilevel applies slope a

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