Manual SPA
Contents
1. SPA Snow Pack Analyser Document version V01 03 Software version VO3 28 Date November 2010 User Manual Sommer Mess Systemtechnik SSYSTEMTECHNIK Soin er Table of contents 13 Principle of measurement E Laem Ze Z Geen BEE Z Ge is Leia es DE ZE BEE See Z SE pane E esse ieee ees ieee aad sPA sron Pat taar soM er 1 General information Ctusining wlomaton about snow by messuerert lieu task A mlpey ot parameters have 1o be Fegteret 1o make ovableistenen soo he snow pact Adtoraly snow has an errrmous vara ih face and tne Up now may punta eames are aval othe relevan parameters The W Ansa Salain SP contd yvoksonay evan in how Maurer ss Hod nigue sytem fr auras an corso menaienert ol at fe fran snow parameters ihe araw igh stow deny snow wales quan ard corte ot iad waler and ie The SPA ors aad bar died data gang There are several postin 1o irsta We sper depending on Sars Moreover he system heips edie dangerous a expense adoption human tesouees in me 1 1 Principle of measurement Fig 1 Principle of measurement ofthe SPA tensor Seay consiste out of the DS componente ice valet ans s Relening to dilereni measwrement See show deer E Meanurng tbe compiea ripe ng Sib ib senar SF Arense wih at was no requences all stat the Volume Contents ae Lee Treza specie volume carers aqua the Saue wate ee ane cri the etc we cman ute eeh2. 1 2 Measurement parameters Snow density The SPA calculates the sow density ot the snow arog Me SPA sere Snow water equivalent SWE The SWE corespan te ales ENEE esting rem the meling ot me complete sraw cover an a detre sea caleuted am he so denaly of EE Contents of liquid water and ice in snow pack The volumetrie contents at iee liq wester in he ro are output in 6 Snow depth Tre anoi Gapin ia mensured by an uira sorie senso is nner 1o determine e SWE EEN Son er 2 Hardware 2 1 SPA sensors E Kee 2 2 Correction length sensor he determing o sling sensors dus othe sow pack can be canted by mening Ihe atin lengir ZE A E 2 3 Snow depth sensor 24 Control unit IA SPA The coal unt APA pron oil measurements sas between GE sensors and clases the Rs paramen repent oo dep eng Seon nasa urs Te spat Installation framework eine enables the NN sping ard up o tvoe horizontal sensors and scutes a tight ee Ze sensar andthe haustg and suspenaon equpent EE ee EEN Soin er 3 Installation 3 1 Measurement site W Irom tees ar rarka and ie nat exposed lo inlasive winde An Eegen of The bg 3 2 Framework Frat the basement trarmewod paced ante our is detvered separates in wo parts each wth about rat m larg seal beams connette wiin erez beare The ste he ond areas beams fhe EE ee EE Ge Jont andi mait ain me sew The neghi ol pis Teal anoula be ai ant IOE aa SPPON I MN Me so depan sen
3. For any SPA sensor measured byte 1A SPA the grote paramelers ard spelte ops have lo be ae 1 Rat teign 100mm 2 Sensor toot height 0 S Blad 2 Sonor ae lengh Ei Eesen E Ze b FEF SSSR SST 4 Rol height The rol height TEE slumb tance fom te upper alo a sloging SPA err 1o the groune Far Terraria ated SPA senses he ol Regt and fot Hag have lobe aah Unit Di Valierange 01o 10000 setaun 2000 2 Sensor toot height he toai height the vera distance Irom ne midte wire o he SEA 1o thet ground For sloping ZE Fagri have 1a be dentea Unit ei Vaterange Die 10000 EEN mm length Tre length ot e senser is measure notween the ta junctions o 1e sensor ane he nishing bone Uni ei Dn Be ooo Jan s000 4 Sensor brace length Zs era eth dace om he upper rot o a ling SPA sino enon srr and upper ni ny Ven Ote 10000 TEEN 5 Ground length The gound length is the datane at the ground trom the plumb ines af the r l and Phe sensor toot une ne Ven Ote 10000 TEEN 5 input length corr To improve the geoneti eet o th sensor a dislance sensor cn be app EEN sloping SPA sana The parameter deines the rp e That a utes te Ie geometrie corector Vauerange ger Jean aad 28 ae as tnae soM er 7C ottset Aen dn can be apie lor every SPA sensor The pt de ol 11 pF is caused by the Kc ve jean Hm Di cota 10 Unto Theatre version tn si rub othe device and al setings and meaniromeni parameters we isted Bk miae
4. Ta proceed any ey has tobe posse Total into prese any ker W Default Tre complete parameters a o tre detai values AI charges are lost Sean remain mere dad and ie charge eins we acceptad DIEN atonal ptm he ana 5 Son Een Soin er 6 Data output 6 1 Protocol values ring Tse Vals values Tei Tse on Fistauumay Sensore seraar2 zez gas Z 3 masoner DE Swe oa fSeercaustary Sensors Sonsora Sensa sensora eats een Leen zx Se e Tessar Senora f sensora Senser a Sensara SEL wacom BE Swe D KREE EH EE os JIr eslaesguegz Artes eura Arse inputa Aro ns 2 avanes ebe citahtien phase iow tea phase an ea es ve eben leien phase ow req frase ah ea S ve eben eent be ow req prase ah ea S sn Letzte Conima phas w re bras hh He Te unit and decimat places lhe dla vais are Legon maoan am a SS o a a Oats Un aA we SE Zon Luet are eluded ae te praca is base 0r aw Mana 5 Son Eeer Soin er 6 2 Standard protocol he base protocol consiste of muliple ASCII stings containing Iouz data values Evry ang sas wth me Hig tokoua by Ine ou valuta The ds vals are 4 hs ng what decree sng Tchad by aight checkaum AN be values ng are separates by a a Ge 6 3 MIO Protocol EE EE Tab E Spor Ge vasen ot 4 sonsons wont Ae paige
5. rett The uber ar he ting with he iar values ter Son er 7 Base settings and default values en EE GE uterine SSES 8 Connection diagram 8 1 Overview sensor spa Abb 10 Inputa and outputs of measurement and contro unit Son er 9 Technical data seh Aner See E PE EE EE Measurement range Trea a application Protection ype FE SPA Sensor Coning irene resitane TT SPA Framework
6. 28 sron Pas tnae zi er 4 3 Snow depth measurement The ard dapan in an ese parameter to clea the snow pack parameters ot sloping sensors On one E EE SE Tne araw doh measurement has Io be austen the contol unit 1A SPA by enterig me actus vave in me manu Analog np and Snow deer adusiment ee page 13 A est measurement he stow pth tar wih be manu ne Sram depth ches sce page 12 4 4 Length correction of sloping SPA sensor A sloping Eeer i instal wi sping 10 ensure a ight sparing and 1 preveni the sensor trom EE ZE eege EE WEE page 1 ANE heinaaton lite SPhayem the mensrement value st fusing the meru tem Target vale anon Fou 01 cat pape E a checked wih e Pend Som chac Horo seas Diese coectan by slang me value ol hepa engin sD 4 5 Measurement interval The measure nervai dies he ange ol ire when measurements ae performed mgt ao teats shot rv as Mosoizenens se pevtormesuiha mesure atary Alo shat easter Ine wt pve ma baner Dom cha demesne ee 4 6 Data output he data ic ouput via he saral iniertace in te selected prolacel type see chapter A where the JE be checked Secondly Ie data Values are ustaly Inesi Iig a daia egg td Sroa be acceptos corecti hoe Se of he capacnees are about 167 pF per m SPA e in air the araw degin HE 47 Summary Check capachance values of abaut 16 7 pF per m SPA sensor in air ease gemari parametere al SPAcenar and eri SPA aja snow sph sort aust eng corecion ad set ingua er sl
7. aat te roke Tor ie soping Sradancor and te housing ft the esau and nats suport wiin oslo wus tbe spanned othe Net edge fe basemen Kee ie tana EPA Sow Fas Ara Son er 3 4 Sloping SPA sensor J Kean The salaton height d th sloping SPA sena tad be ihe ha the mina expected anaw pth On the mast te vee pred tens a oght ol about 1 13 and 2 m Depending en he sled ight Se cape san aes a reciept ie fr ean facut F n puey ayatam sated othe oposte ade oe epng The rpe oh ploy sper isd at ote ee ote ar connect th sping Then It sgt We innar el ied or Be ma Baek 19 Ino al on he pale nyse pt he ae onthe ae arad tg etal of sao Fy E traded ents on asa he mast Ten sted ng eg Ia conection length sensor it used or he sloping sensor ie le at ha deflector rol cated on me DEE ropa rss more 3 6 Horizontal SPA sensors cna recanted tothe Lshapes brs frond oft rama Then thy we creed 1o Pe Iovorseaies onthe erosoan othe mas The setatng deves we nda he round cross bearn 21 he ihe endothe rirnewot Te spinge are postioned doe he levers and cnmeced 1o ihe wits 9 Me Stacking deveas Atorerde the senor ae spanned ua the sireichirg devies url heaping Nas engl by abut 100 en a he sera ie 5000 mmn long The honzonial sensors are spa wah SEO 5 fon 1a arare an upg and state postion 3 7 Housing Mount the housing on the mast and connect te cabis oe Er Me snow depth sensor and e Ee 3 8 Power supply The aup
8. e verled WiN eter atng bores with Esc Sub mera are cased wth X Tne meru ia net case sneha main menu be 5 3 Description of the parameters 1 Device identitier The devize etre included he output otacat io erly the data values The Fl output aing i signe wih he device err Far avay along airig he D Ee Valierange men eet 0 2 Meas Interval The measurement nll crt the trme fr me measurements For permanent monitoro it impo ZE EE Unit o D Sle rao TEEN 3 Output time Te af el te permed acl ler eter el stinga are ey EE Se Agen Jensen GC Va wer S in S Eesen Protocol ype The prota type lar th dla output via me S22 is selected For a deseo ol he local ae chapler Hee phases ariy he extended prota ao dee cota 25yne out Te pane i uana Jor tng up cece dsla tagger Ete lk 1 iar to the oat seinge teg 3 Syne Outhol back ime The oak ken dees the ne span between th Sy Oa signal sank ar RTS ard the tanamission at ve nues Hen CH Jena A Send delay The tending detay defines te trne span between he sings of he protocol ve D I Wm VO EEN i Mana 5 So een Soin er 5 RS222 settings now paanceranon a e irieriace athe PO maybe necessary te Ta FF SEBES mre 1 Baud rate DN Data bits DEEN The mimber ot ep Bl tar De RS 292 eta ie se n 1 teg ec 2 Mana 5 So een Soin er 6 A
9. nalog input In tis menu the measurement values of the snow depth and ime anslag inputs can be aust eaniteeris ca be eros E are saa Tes a J Tage ale adjustment input 0t 2 Target vaste input 02 5 Target value austen Iput 09 Target value austen input 04 S Target value austen put 05 E ingt ehec 2 Show ausiment rav check gS AG RT 1 Target value adjustment input_Ox Aga fr te pl can be aet The mene ae ado ila oe vate yan 6 input check 7 Snow depth adjustment A arget vale or he so depth s Dun EEN eet o Wi value by an interra 8 Snow depth check A measurement ot the snow depths prtomed and ha measured value i layed re splayed EE Soin er 7 SPA parameter 1 Snow denih excess somm 2 Shaw temp deal Ze Shaw temp meas ou BECH ESCHER Keele 1 Snow depth excess he snow depth excess defines a layer ot snan SPA calculation er any SPA senso only pertorme 1 e mesauca mon Soph exea the oct haghtal he SPA sea By sve une Imm Vie Die 255 EEN 2 Snow temp detauit he SPA cote ght sped he sron ener Th aides he rouw erp ve 300 Value range lan en 100 3 Snow temp meas he parameter deines the now temperature i measte and whieh input Me snow temperate wc si testan 4 Protocol output he parameter detnes the ates of Ihe inte 2 to 5 are included in ergoen 5 Active sensor Serien 1 Ee A cota aad 28 sron Pas ee soM er Sensor_
10. oping SPA sensors Set measurement eral to 10 mes er ong Shek up dea ves on serin irae and comnacied dala ge EEN Soin er 5 Parameterization 5 1 Connection establishment via terminal 5 1 1 Local communication he parameter ol te INSP can be pelred by directly connecting the sei hlaace wih a PC ot Ino fy eemimuscaon program can be use An exam he program Hyperterminal eech Inthe nanard vesataton a winds operating systems i panes Slat Propane eer Communication sett Paty ene 5 1 2 Communication via ComWin Conn i a communicatan and paamtezaon software tor MDL data agen Seral senses connected te upar race the MDL ca be acoso rn aru canbe opened nati Ke Ve 1e he botom lace he MOL EE vate al weien sing en serai cable wah a 1 1 connect nl roma Coane ie 1e MOL ala hoger lve Comin nara using the Setup mode The parameterization window ae Mw open Tw cutaway ary a en The eommuneaton parameters por B an po C are eed unr he as page Pa B and Pat C 5 1 3 Connection affirmation 61206 2009 Sommer gengen aad 28 sron Pas tnae zi er 5 2 Main Menu Te main menu it open ely entering Wee question maka 277 in tne tenira progran BS Sa moas Bord SE Lee 7 SPA parameter Sg ES aR The manu tema are accessed ty entering me menu key diagtay kett o ihe menu ern Elter sb men sre pered ar he specie paramai ia pny wah fe corresponding uni Ghange m
11. yvolage ot Ihe complete system is 10 51015 VDC 3 9 Summary Lacate sow soph senza m above he maxima expected snow depor Ital be sopra SPA sense en Span he sensor using te seeing device ela carreton langin senso and aei rotary bot to cel posi Ina ar Span norco sensers by elongating the saring By abou 100 mm EEN Soin er 4 Implementation on Start up 4 1 Capacitance of SPA sensor he eapactares at he SPA zercar is measured a a ow raquarey ot ETG ie The eapactance ar ane meier sonar inthe ai 187 pal both roguere ard coregr abut BA Brora m lang E The vues may vary wih hunity ar war on he terar 4 2 Geometric parameters he coed calculation ol Me snow parameters demands te geometrie shan d al inchida sensor ely le Sig SPA sersa bese sige aed arene he enh esa be The gear parameters se measied wih a easing ape and shuld be af about 1 em accuracy The tarsi parameters are entered ite menu al he IA SP devi se page 14 Sener ong DE E Gezai Abb 2 Geometrie parameter of SPA sensr The fang geomet parameters are necessary Ss Lang al he sensar Wom one bx tthe ater Size ptam ine aign a ie top st me lathe ground Zon Plumb ine lg the mio th once a Ie lower box ana the grount Ka isan between me midde fe olan the sere at ne upper op bax Sen Dslance ne gure Between pum ine ll an slumb ne sero et For nora sensors tel eight ar eft neigh have to be eua The brace length is set o 07 ard VE aad
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