SDI-12 Soil Moisture Transducer

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1 HelpAndMnul_illegl_keygen July 2008 Rev 6 ACC-SEN-012

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3 HelpAndMnul_illegl_keygen NOTE: The Acclim Series SDI12 Soil Moisture Trnsducer uses the industry stndrd SDI-12 interfce for communicting with Dt Recorder or other SDI-12 equipped controlling device The SDI-12 communictions stndrd is digitl seril dt communictions hrdwre nd protocol stndrd bsed on 1200 bud, ASCII chrcter communictions over three-wire bus The SDI12 Series is complint with Version 13 of the SDI-12 stndrd Version 13 is the ltest stndrd t the time of this printing (Sept 2006) Firmwre nd Mnul Disclimer This user s mnul ws prepred for the current trnsducer firmwre relese t the time of the mnul publiction The mnul hs been thoroughly edited nd is believed to be relible Acclim ssumes no libility for inccurcies Errt my be published on our website if or when deemed necessry by Acclim Acclim reserves the right to chnge ny specifiction(s) without notice About Acclim Acclim is developer nd mnufcturer of closed-loop irrigtion systems bsed on stble, bsolute-reding soil moisture trnsducers We mnufcture brod line of utomtic irrigtion systems nd trnsducers used by thousnds of customers in residentil nd commercil turf irrigtion, in griculture, in environmentl dt gthering, in soils nd horticulturl reserch nd in civil engineering Typicl pplictions include fully utomtic, wter-conserving commercil nd residentil sprinkler irrigtion control, sub-surfce nd center-pivot griculturl irrigtion monitoring nd control, wtershed nd dry-lnd soil moisture monitoring, nd structurl foundtion moisture monitoring You cn lern more bout Acclim s products t wwwcclimcom nd you cn contct us t

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5 Tble of Contents Product Introduction nd Specifictions 6 Instlltion nd Wiring 6 Opertion 8 Setting the 8 Address Commnd 9 Summry Commnd 9 Reference Mking Mesurements with the SDI-12 Sensor 13 Non-Concurrent 13 Mesurement Concurrent 13 Mesuremet Dt Retrievl 13 Exmples 14 of Using the Sensor Dt Communictions 17 Error Checking Verify Commnd 18 Specil18 Acclim-Proprietry Commnds Troubleshooting 20 No Dt 20 Return by the SDI-12 Trnsducer Unredble 21 Dt NOTES22 Wrrnty HAVE A QUESTION, PROBLEM, OR COMMENT? Our toll-free Technicl Service phone number is

6 Pge 6 Product Introduction nd Specifictions Enter topic text herethe Series SDI12 trnsducer is Digitl Time Domin Trnsmissometer tht mesures the permittivity of soils by determining the propgtion time of n electromgnetic wve trnsmitted long wveguide through the soil The bsolute moisture content of the soil is clculted from the permittivity using the Topp eqution The trnsducer cn be commnded to produce both the bulk permittivity nd the moisture content of the soil The ccurcy nd stbility of the Series SDI12 is obtined through ptented hrdwre nd firmwre system tht digitizes the returned wveform nd then uses proprietry digitl signl nlysis lgorithms to extrct the rel propgtion time nd distortion prmeters of the returned wve High ccurcy is chieved over wide rnge of soil tempertures nd electricl conductivity In the SDI12 series the resolution of the digitized wveform is 5 picoseconds permitting smll trnsducer to report very high resolution dt From the extrcted distortion prmeters the trnsducer clcultes nd reports the electricl conductivity of the soil The permittivity nd soil moisture mesurements re compensted for temperture The trnsducer lso reports soil temperture Specifictions: Prmeter Accurcy Limits Conditions Permittivity +,- 1% of full scle 1 to 50 degrees C, 0 to 50 ds/m in-soil EC Temperture +,- 20 degrees C 1 to 50 degrees C Electricl Conductivity +,- 02dS/m 1 to 50 degrees C, 0 to 50 ds/m in-soil EC Volumetric Wter Content clculted from permittivity using the Topp eqution Instlltion nd Wiring The three wires ttched to the trnsducer re the SDI-12 connections to the dt recorder The white wire is the common return wire for both the power (red) nd dt (blue) wires It must ttch to the ground terminl on the dt recorder SDI-12 connector block The red wire is the power line nd must ttch to the power supply line on the dt recorder SDI-12 connector block or to the positive side of n externl power source The blue wire is the bidirectionl (hlf-duplex) dt line tht ttches to the seril dt line on the dt recorder SDI-12 connector block If power supply is used tht is externl to the dt recorder then the negtive side of the power supply must be ttched to the ground terminl on the dt recorder SDI-12 connector block

7 Wiring for RS232 (Seril Port) to PC connection Wiring for Dt Recorder Providing Power to the SDI-12 Port Pge 7

8 Pge 8 Wiring Digrm for Dt Recorder Using n Externl Bttery Opertion The SDI-12 protocol llows multiple devices to be ttched to one SDI-12 port In order for the dt recorder nd devices to fcilitte unmbiguous communictions ech device on the SDI-12 port is given unique ddress The defult ddress of the Series S100 trnsducer (s shipped from the fctory) is 0 (zero) If this is the only device on the SDI-12 port on your recorder then you my leve the ddress t 0 If other devices re wired to tht port then you will need to insure tht they ech hve unique ddresses Setting ddress will be discussed lter SDI-12 commnds re conctention of three fields The first is the device ddress This is single chrcter typiclly in the rnge 0 to 9 but cn lso use the chrcters to z nd A to Z The second is the commnd which my consist of severl chrcters The commnd chrcters re lwys upper cse The lst is the commnd termintor which is lwys n exclmtion point (!) Setting the Address If more thn one device is wired to the SDI-12 port you will need to ssure tht they ll re set up with unique ddresses If you re not sure you cn connect them one t time nd use the Address Query commnd?! to red the ddresses Only one device cn be connected to the SDI-12 port when using this commnd The device will respond with its ddress To chnge the ddress of device use the Chnge Address commnd The syntx is An!, where is the present ddress A is the Set Sensor Address commnd nd n is the new ddress The device will return the new ddress For exmple, if 0A4! is trnsmitted, the sensor ddress will be re-progrmmed to 4 nd the sensor will return 4 To verify tht the SDI12 sensor is responding on its ddress use the Send Identifiction commnd I! The SDI12 sensor will respond with 13Acclim SDI12 10 In the response the is the device ddress, 13

9 Pge 9 represents Version 13 of the SDI-12 stndrd, nd the 10 is the version of the SDI12 sensor Commnd Nme Syntx Device Response Address Query?! Chnge Address Ab! b Send Identifiction I! 13Acclim SDI12 10 Commnd Summry The SDI12 sensor implements commnds tht comply with versions 10, 11, 12 nd 13 of the SDI-12 specifictions All commnds required for full complince to the version 13 specifictions re implemented in the SDI12 sensor However the dditionl mesurements commnds in the SDI-12 specifiction re meningless to the Acclim SDI12 sensor, since the permittivity, moisture, conductivity nd temperture mesurements re ll required nd ll mde with every single mesurement Hence the response for ll of these dditionl mesurements commnds is <CR><LF> s required by the SDI-12 specifiction The sensor ignores unimplemented commnds outside those required by the SDI-12 spec There is no response to them Additionl Extended Commnds re incorported by Acclim for digitized wveform dumps nd fctory clibrtion settings nd redings Commnd Reference The tble below documents ll commnds supported by the SDI12 trnsducer in lphbeticl order: Commnd Function Trnsducer Response?! Address Query Note: only one device cn be connected to the SDI-12 port when this commnd is used! Acknowledge Active Ab! Chnge Address b C! Strt Concurrent Mesurement Mesurement tkes 1 second Nine vlues re returned CC! Strt Concurrent Mesurement-Request CRC C1! C9! Strt Additionl Concurrent Mesurement No dt to be provided

10 Pge 10 CC1! CC9! D0! Strt Additionl Concurrent Mesurement Request CRC Get First 4 Dt Items in response to Mesurement commnd: VWC, Soil Temp, Soil Permittivity, Soil EC Get the response from Verify commnd No dt to be provided spppppsttttskkkkssss ppppp is the wter content (%) TTTT is the soil temperture (C) kkkk is the soil reltive permittivity sss is the soil electricl conductivity (ds/m) +ppppp<cr><lf> Men vlue of 3 VWC redings D1! Get Remining 6 Dt Items in response to Mesurement commnd: srrrrsvvvvsttttsttttsttttstttt rrrr is the mximum rist time (mv/ns) vvvv is the mplitude t mx rt (mv) tttt is the propgtion time t mrt (ps) tttt is the wveform prop time (ps) tttt is the compensted prop time (ps) tttt is the wveform mesurement spn ps D2! No dt for this commnd D3! No dt for this commnd D4! No dt for this commnd D5! No dt for this commnd D6! No dt for this commnd D7! No dt for this commnd D8! No dt for this commnd D9! No dt for this commnd I! Send Identifiction 13Acclim SDI12 10

11 Pge 11 M! Strt Non-Concurrent Mesurement MC! Strt Non-Concurrent Mesurement Request CRC M1! M9! MC1! MC9! Additionl Mesurements R0! R9! Continuous Mesurement 0000 The SDI12 sensor does not use this commnd but responds with no dt RC0! RC9! Continuous Mesurement Request CRC 0000 The SDI12 sensor does not use this commnd but responds with no dt V! Strt Verifiction 0031 One dt item will be returned fter 3 seconds The dt item will be the men of 3 wter content redings or it will be fil if the sensor is not working properly The sensor returns service request fter the mesurement is mde The dt cn be retrieved using the D0! commnd XAtttt! Get Wveform Amplitude t tttt picoseconds vvvv vvvv is wveform mplitude XR34! XR42! Red Conductivity Compenstion Threshold for Segment x tttt tttt is the threshold for segment x in mv/ns XR44! XR52! Red Conductivity mmm Compenstion Multiplier mmm is the multiplier for segment for Segment x x 0019 Mesurement tkes 1 second nd returns nine vlues Sensor returns Service Request fter mesurement is mde 0000 The SDI12 sensor does not require the use of this commnd If the commnd is received the sensor reports no dt to be returned Additionl Mesurements Request CRC

12 Pge 12 XR54! XR62! Red Conductivity Compenstion Offset for Segment x ooo ooo is the offset for segment x XR14! Red Mnufcturing week nd yer wwyy ww is the mnufcturing week yy is the mnufcturing yer XRF! Red Firmwre Revision rrr rrr is the firmwre revision XR12! Red Hrdwre Revision r r is the hrdwre revision XR18! Red Propgtion Time ±pppp Full-Scle Multiplier Percent increse or decrese to full-scle vlue XR16! Red Propgtion Time ±tttt Offset ±tttt is the offset in ns XR22! Red Temperture mm Compenstion Multiplier mm is the multiplier XR24! Red Temperture Compenstion Threshold tt tt is the threshold vlue XW34stttt! XW42stttt! Write Conductivity Compenstion Threshold for Segment x ttt ttt is the threshold for segment x in mv/ns XW44mmm! XW52mmm! Write Conductivity mmm Compenstion Multiplier mmm is the multiplier for segment for Segment x x XW54ooo! XW62ooo! Write Conductivity Compenstion Offset for Segment x ooo ooo is the offset for segment x XW14dddd! Write Mnufcturing Week nd Yer wwyy ww is the mnufcturing week yy is the mnufcturing yer XW10srrrr! Write Firmwre Revision rrr rrr is the firmwre revision XW12srrrr! Write Hrdwre Revision r r is the hrdwre revision XW18spppp! Write Full-scle ±pppp

13 Pge 13 Propgtion Time Multiplier Percent increse or decrese to full-scle vlue XW16stttt! Write Propgtion Time ±tttt Offset ±tttt is the offset in ns XW22smmm m! Write Temperture mm Compenstion Multiplier mm is the multiplier XW24stttt! Write Temperture Compenstion Threshold tt tt is the threshold vlue Mking Mesurements with the SDI-12 Sensor There re two commnds tht cuse the SDI12 sensor to tke mesurements nd store them for subsequent retrievl The first is the Non-concurrent Mesurement Commnd M The second is the Concurrent Mesurement Commnd C The sensor responds to both of the commnds with tttn where is the sensor ddress, ttt is the number of seconds before the dt will be redy, nd n is the number of dt items tht will hve been prepred For the Acclim SDI12 sensor the number of dt items is 9 Non-Concurrent Mesurement When using the non-concurrent commnd, the recorder wits for the sensor to complete its mesurement nd then retrieves the result The sensor sends Service Request code to the recorder fter prepring the dt so tht the recorder will retrieve the dt t the ppernce of the Service Request or fter the indicted time hs expired, whichever occurs first The Service Request code is simply the ddress of the sensor, followed by crrige return nd line feed chrcters Concurrent Mesuremet When using the concurrent mesurement commnd the sensor does not return service request when the dt is redy for retrievl The recorder is llowed to perform other communictions to other devices while the sensor is mking the mesurement nd prepring the dt Then when the recorder is vilble nd the indicted mesurement time hs elpsed the recorder retrieves the dt Dt Retrievl To retrieve the requested mesurement dt the recorder sends Dx commnd to the sensor, where x is 0 or 1 The D0 commnd returns the bsic 4 mesurement items: Volumetric Wter Content, Soil Temperture, Soil Reltive Permittivity, nd Soil Electricl Conductivity The D1 Commnd returns: Wveform Mximum Risetime, Wveform Amplitude t Mximum Risetime, Wveform Propgtion Time t Mximum Risetime, Uncompensted Wveform Propgtion Time, Compensted Wveform Propgtion Time nd the Wveform Mesurement Spn The syntx for the commnd is: Dx!, where is the sensor ddress nd x is the dt item number tht is requested Below is tble showing the dt vilble from the SDI12 sensor nd the

14 Pge 14 commnds used to retrieve them Dt Item Requested Commnd Response Exmple Units Volumetric Wter Content D0! % Soil Temperture D0! ±3216 C Bulk Reltive Permittivity D0! Soil Electricl Conductivity D0! +16 ds/m Wveform Mx Risetime D1! +342 mv/ns Amplitude t Mx Risetime D1! +271 mv Propgtion Time t Mx Risetime D1! ps Wveform Propgtion Time D1! ps Compensted Propgtion Time D1! ps Wveform Mesurement Spn D1! +320 ps Multiple vlues re returned with the Dx! commnd The formt of the returned dt is: <CR><LF> Note tht the returned dt is lwys preceded by the device ddress Ech dt vlue is preceded by sign No units re returned but re ssumed known by the user The units re s shown in the tble bove Ech return dt string is terminted by crrige return nd line feed chrcters Exmples of Using the Sensor Exmple 1: Reding four bsic dt items using non-concurrent commnds: This first exmple shows how dt recorder would obtin 4 dt items from sensor tht hs ddress 5: (1) Volumetric Wter Content, (2) Soil Temperture, (3) Soil Permittivity or Dielectric Constnt nd (4) Soil Electricl Conductivity In this exmple the dt recorder will operte in the non-concurrent mode tht is, it will not spend ny time with other sensors until this sensor hs completed its mesurements nd hs reported them The first commnd from the dt recorder is: 5M! This commnd is clled the Strt Mesurement commnd The 5 in this commnd is the ddress of the sensor you wish to respond to the commnd It will cuse the SDI12 sensor to begin the process of tking set of

15 Pge 15 mesurements The sensor will immeditely respond to this commnd s follows: 50019<CR><LF> This response strts with the ddress of the sensor (5), then continues with the number of seconds tht re required to tke the redings, 001 (1 second), then finishes with the number of dt items tht will be returned with ech mesurement request (9) Every response from the sensor is terminted with crrige return nd line feed chrcter After the sensor hs finished its mesurements it trnsmits service request to the recorder: 5<CR><LF> The service request is just the ddress of the sensor The recorder then sends commnd to get the first set of dt items: 5D0! The items requested re: volumetric wter content, soil temperture, soil permittivity nd soil electricl conductivity Upon receiving this commnd the sensor responds with: <CR><LF> The first 5 is the sensor ddress The remining string contins the requested dt items ech preceded by + or - sign This completes the four bsic redings from the sensor If the user desires the dditionl 5 dt items form the sensor he would progrm the dt recorder to issue the 2nd dt retrievl commnd, D1! D1! The sensor responds with: <CR><LF> Here gin the leding 5 is the ddress of the sensor The remining string contins the dt items: wveform mximum rise time, wveform mplitude t mximum rise time, wveform propgtion time t mximum rise time, uncompensted propgtion time, compensted propgtion time, nd wveform mesurement spn Recorder Commnd Synt x Sensor Response Strt Non-Concurrent Mesurement 5M! (ddr, time, #redings)

16 Pge 16 5 (Service Request) Get First 4 Bsic Dt Items 5D0! <CR><LF> Get Remining 6 Dt Items 5D1! <CR ><LF> Exmple 2: Reding four bsic dt items using concurrent commnds: This second exmple shows how dt recorder would obtin the sme 4 bsic dt items from sensor using concurrent commnds In this exmple the dt recorder will operte in the concurrent mode tht is, it will be free to service other sensors while the sensor with ddress 5 is mking its mesurements Concurrent mesurement commnds use C insted of M in the commnd Thus the commnd to strt concurrent mesurement is: 5C! The sensor immeditely responds with: With concurrent commnds the sensor does not provide service request fter the mesurements hve been mde The recorder relies on the timing informtion provided by the sensor nd will not request dt until the time intervl hs expired in this cse 1 second The recorder then requests the four dt items exctly in the sme mnner s with non-concurrent redings If the remining 6 dt items re desired the recorder issues the D1! commnd to get them The commnds nd responses re summrized in the tble below: Recorder Commnd Syntx Sensor Response Strt Non-Concurrent Mesurement 5C! (ddr, time, #redings) Get First Four Dt Items 5D0! <CR><LF> Get Remining 6 Dt Items 5D1! <CR>< LF> Note the difference between the two tbles: The concurrent commnd uses C insted of M, nd there is no service request from the sensor Also the initil sensor response llows for 99 redings insted of 9 redings

17 Pge 17 Dt Communictions Error Checking So fr, ll Strt Mesurement Commnds tht we hve discussed hve requested dt wherein no error checking is done to verify the correct reception of the dt by the recorder The SDI-12 specifiction provides for error checking by using n dditionl commnd chrcter C with the Strt Mesurement commnd Thus when the commnds MC! or CC! re trnsmitted to the sensor, the sensor ppends CRC code to the end of the returned dt This code is generted from the dt in such mnner tht if the dt chnges in the trnsmission the chnge cn be detected in the recorder If the recorder experiences such corruption in the dt it will repet the dt request utomticlly 336 Verify Commnd The SDI-12 specifiction requires specil commnd for the purpose of verifying tht the sensor is working properly Acclim s implementtion of tht commnd is s follows: 1 The recorder sends out the verify commnd: V! 2 Upon receiving the verify commnd the sensor will respond with: tttn where is the sensor ddress, ttt is the time required to mke verifiction redings, nd n is the number of dt items tht will be returned For this commnd ttt = 003 nd n = 1 3 The sensor tkes 3 full sets of redings The corrected propgtion times from the three redings re sved nd compred If ny of these propgtion times re out rnge or if they differ by n uncceptble mount n error is cknowledged Next the volumetric wter content is clculted from the men of the three redings The sensor then sends out service request: 4 The recorder issues red dt commnd D0: D0! The sensor responds with the volumetric wter content or, if n error occurred in the reding, the returned dt field will contin E (for Error)

18 Pge 18 Verify Commnd The SDI-12 specifiction requires specil commnd for the purpose of verifying tht the sensor is working properly Acclim s implementtion of tht commnd is s follows: 1 The recorder sends out the verify commnd: V! 2 Upon receiving the verify commnd the sensor will respond with: tttn where is the sensor ddress, ttt is the time required to mke verifiction redings, nd n is the number of dt items tht will be returned For this commnd ttt = 003 nd n = 1 3 The sensor tkes 3 full sets of redings The corrected propgtion times from the three redings re sved nd compred If ny of these propgtion times re out rnge or if they differ by n uncceptble mount n error is cknowledged Next the volumetric wter content is clculted from the men of the three redings The sensor then sends out service request: 4 The recorder issues red dt commnd D0: D0! The sensor responds with the volumetric wter content or, if n error occurred in the reding, the returned dt field will contin E (for Error) Specil Acclim-Proprietry Commnds The SDI-12 specifiction llows the use of proprietry commnds for use by mnufcturers nd users in clibrting sensors or implementing specil fetures vilble in the sensor Acclim tkes dvntge of this llownce in providing ccess to clibrtion constnts nd wveform downlods Reding nd Setting clibrtion constnts: The clibrtion constnts stored in the SDI12 series sensors re used in setting the zero nd full scle redings nd for temperture compenstion of the redings The sensor tolertion to electricl conductivity cn lso be extended to bout 10 ds/m by setting conductivity compenstion fctors The zero, full scle nd temperture compenstion fctors re set in the fctory nd should not be chnged You my red them if you wish using the commnds given below The conductivity compenstion numbers tht re shipped in the sensor re defult numbers only nd do not gurntee ccurte opertion in environments where the soil conductivity exceeds 5 ds/m Below 5dS/m no compenstion is necessry If you wish to work in very high slinity soils you cn plce sensor order with the fctory nd sk to hve those constnts set

19 Pge 19 for n dditionl cost The tble below shows the proprietry commnds tht re used to red nd write these clibrtion constnts: Commnd Red Syntx Write Syntx Firmwre Revision XR10! XW10srrrr! Hrdwre Revision XR12! XW12srrrr! Mnufcturing Dte XR14! XW14sdddd! Zero Offset XR16! XW16szzzz! Full Scle Multiplier XR18! XW18stttt! Sensor Address AXR20! XW20s! Temp Compenstion Fctor XR22! XW22sffff! Temp Compenstion Threshold XR24! XW24stttt! Temp Sensor Compenstion XR26! XW26stttt! Segment 0 Threshold XR34! XW34stttt! Segment 1 Threshold XR36! XW36stttt! Segment 2 Threshold XR38! XW38stttt! Segment 3 Threshold XR40! XW40stttt! Segment 4 Threshold XR42! XW42stttt! Segment 0 Multiplier XR44! XW44smmmm! Segment 1Multiplier XR46! XW46smmmm! Segment 2 Multiplier XR48! XW48smmmm! Segment 3 Multiplier XR50! XW50smmmm! Segment 4 Multiplier XR52! XW52smmmm! Segment 0 Offset XR54! XW54soooo! Segment 1 Offset XR56! XW56soooo! Segment 2 Offset XR58! XW58soooo! Segment 3 Offset XR60! XW60soooo! Segment 4 Offset XR62! XW62soooo! Conductivity Compenstion

20 Pge 20 Flsh Write Lock XL! Flsh Write Unlock XU! Write Protection: The SDI12 sensor will not respond to write commnds unless n UNLOCK commnd hs been issues previous to the write ttempt After the write commnd hs been completed LOCK commnd must be issued This prctice will prevent ccidentl modifiction of sensor timing nd compenstion fctors The UNLOCK commnd is: XU! with the response U<CR><LF> nd the LOCK commnd is: XL! with the response L<CR><LF> Wveform Downlod: A single point on the received wveform cn be cquired by sending the commnd: XAtttt! where tttt is the time from the beginning of the wveform where n mplitude vlue is to be cquired The time is entered in picoseconds to the nerest 5 picoseconds The sensor returns the mplitude (in millivolts) of the wveform t tht ordinte: vvvv If this commnd is used repetedly, with pppp incrementing with ech use, grphicl representtion of the wveform (or portion thereof) cn be constructed The proprietry commnds ll use the X chrcter to identify them The dt recorder my or my not llow the use of these commnds If the dt recorder conforms to version 12 or lter of the SDI-12 specifiction, then it will support these commnds in the Trnsprent Mode In this mode PC or modem is connected to the recorder seril port nd issues the commnds through the recorder nd receives the response through the recorder, using the recorder only s buffering device Troubleshooting No Dt Return by the SDI-12 Trnsducer Check the sensor connections to the dt recorder The white wire connects to the SDI-12 port GROUND terminl The blue wire connects to the SDI-12 port DATA terminl The red wire connects to the SDI-12 port V+ terminl or to the

21 Pge 21 positive terminl of n externl bttery If n externl bttery is used the negtive terminl of the bttery connects to the GROUND terminl of the SDI-12 port Mesure the voltge between the blck wire nd the red wire It must be between 6volts nd 12 volts Check the sensor ddress using the?! commnd with no other devices connected to the recorder Insure tht the sensor ddress is used in the commnds you re using Review the commnd syntx you re using Insure tht ll commnds re upper cse Unredble Dt Insure tht there re no ddress conflicts Disconnect ll other devices nd try the red gin Insure tht the cble length to the sensor does not exceed 200 feet

22 NOTES Pge 22

23 Pge 23 Wrrnty LIMITED PRODUCT WARRANTY Congrtultions on your recent purchse of n Acclim product You re mong growing force of those interested in conserving wter erth s most importnt resource Your Acclim product is wrrnted for two yers from dte of purchse to be free of defective mterils nd workmnship, provided it is used within the working specifictions for which the product ws designed, nd under norml use nd service Unless instlled by n uthorized Acclim trined technicin, Acclim ssumes no responsibility for instlltion Acclim lso ssumes no responsibility for removl or unuthorized repir Acclim s libility under this wrrnty is limited solely to replcement or repir of defective prts Acclim will not be lible for ny crop or other consequentil dmges resulting from ny defects in design or brech of this wrrnty THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSES AND OF ALL OTHER OBLIGATIONS OR LIABILITIES OF THE MANUFACTURER No gent, employee or representtive of the mnufcturer hs uthority to wive, lter or dd to the provisions of wrrnty, nor to mke representtions or wrrnty not contined herein Should you hve ny clim under this wrrnty, plese contct Acclim s wrrnty desk by clling the toll-free number bove for prompt ssistnce

24 HelpAndMnul_illegl_keygen 2260 Est Commercil Street Meridin, Idho wwwcclimcom cll toll free: for service 2008 Acclim, Inc Acclim, Inc 2260 E Commercil St Meridin, ID /10/2008 Rev 6

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