
mahamargavar sambodhit karata yenyajoga durastha transducer protocol

haart communication protocol (mahamargavar sambodhit karata yenyajoga remot transducer) haah eka sankarit analogue + digital audhyogik automation open protocol aahe. tyacha sarvat ullekhaneey fayda mhanje too keval analogue-hoost pranalindware vaparlya jaanarya taranchya jodichi devanghevan karoon, legacy 4-20 maa analogue instrumentation current loopswar sanvad sadhu shakato. lahan svayanchalit anuprayoganpasun teey atyant atyadhunik audhyogik anuprayoganparyantchya prakriya aanee upkaran pranalinmadhye hartcha mothya pramanat vapar keela jaato.
oo. ess. aay. modelmadhye, haart haah eka thurr 7, anuprayog aahe. thurr 3-6 vaparla jaat nahee. jevha 4-20 maa varr pathvile jaate tevha teey layer 1, physicalsathi eae bail 202 vaparte. parantu anekada aar. ess. 485 kinwa aar. ess. 232 madhye rupantarit kele jaate. 
immersonchya matey, jagbharatil 4-20 emae pranalinchya prachand pratishthapan aadharamule, haart protocol haah aaj sarvat lokpriy audhyogik protocolpacky eka aahe. haart protocolne, jyanna 4-20 emae sanket vaparayache aahet, parantu 'smart' protocol lagoo karayacha aahe, asha vaparkartyansathi eka changla sankraman protocol tayar keela aahe.
itihas.
haah protocol rosemount ink. neey vikasit keela hota., 1980 chya dashakachya madhyat tyanchya smart feeled upkaranansathi malkicha digital sampreshan protocol mhanoon bail 202 prarambhik sampreshan manak tayar kele. lavkarach teey hartmadhye vikasit jhaale aanee 1986 madhye teey eka khule protocol banavanyat aale. tevhapasoon, tapashilanmadhye salag sudharana karoon protocolchi kshamata vadhavali gelee aahe.
paddhati.
haart upkarananche done mukhya karyatmak prakar aaheth point-too-point (analogue/digital) mode aanee multy-drop mode.
bindu qaraa.
bindu-teey-bindu modmadhye digital signal 4-20 Ma loop currentver aachchhadit kele jaatat. 4-20 m current aanee digital signal heey donhi niyantrak aanee mojmap sadhan kinwa antim niyantran ghatak yanchyatil vaidh sanket protocol aahet.
matdanachya sadhanacha patta '0' varr seet keela aahe. pratyek upkaran kebal signal jodivar fakt eka upkaran thevata yete. samanyatah vaparkartyane nirdisht kelela eka sanket 4-20 Ma signal mhanoon nirdisht keela jaato. itar sanket 4-20 emae signalchya varr digital paddhatine pathavale jaatat. udaharanarth, daab haah 4-20 maa mhanoon pathavala jaau shakato, joou dabanchya shreniche pratinidhitva karato aanee tapman tyach taranvar digital paddhatine pathavale jaau shakate. point-too-point modmadhye, haart protocolcha digital bhag eka prakarcha digital current loop interfaces mhanoon pahila jaau shakato.
bahu-drop.
multy-drop modmadhye analogue loop current 4 maver nishchit keela jaato aanee signal loopvar ekapeksha jaast upkaran asane shakya aahe.
haart punaravrutti 3 teey 5 neey sadhananche matdan patte 1-15 chya shreneet asanyachi parvanagi dilee. haart punaravalokan 6 neey 1 teey 63 paryantche patte parvanagi dilee; haart punaravalokan 7 neey 0 teey 63 paryantche patte parvanagi dile. pratyek upkaranala eka adviteey patta asane aavashyak aahe.
packetchi rachana.
vinanti haart packetchi khaleel rachana aaheh
prastavna.
sadhya serve naveen upkarane paach bitechi prastavna lagoo karatat, kaaran tyapeksha mothee konatihi gosht sanvadacha veg qamee karate. tathapi, mage valalelya pathimbyasathi guru jababdar asatat. naveen upkaranala mukhya sampreshan heey prastavanechya kamal lambine (20 bites) suru hote aanee sadhyachya upkaranasathi prastavanecha aakar nishchit jhalyanantar nantar qamee kele jaate.
prastavna ashee aaheh "eff. eff" eff. eff "eff. eff" eff. eff "eff. eff" eff. eff "(5 vela eff. eff.)
seemankan suru qaraa.
yaa bitemadhye mukhya kramank asato aanee sanvad sanch suru hott aahe heey nirdisht karato.
patta.
haart yojananpaiki eka yojnet lagoo kelyapramane gantavya patta nirdisht karato. mool patta yojana upkaran patta nirdisht karnyasathi keval chaar bits vaparat hotee, jyamule mukhyasah upkarananchi sankhya 16 paryant maryadit hotee.
naveen yojana upkaran patta nirdisht karnyasathi 38 bits vaparte. haah patta ektar 0 kinwa 11 hii aadnya vaparoon upkaranakadun magitala jaato.
aadesh.
konati aadnya karyanvit karayachi aahe heey darshavinare heey eka biteche sankhyatmak moolya aahe.
upkaran kramankachi vinanti karnyasathi 0 aanee 11 hii aadnya vaparali jaate.
deta biteschee sankhya.
anusaran karnyasathi sampreshan deta biteschee sankhya nirdisht karate.
sthitee.
sthitee kshetra malkasathi anupasthit aahe aanee gulamasathi done bites aahet. heey kaam purn kele aahe qee nahee aanee tyachi sadhyachi aarogya sthitee kaay aahe heey malkala kalavanyasathi gulam heey kshetra vaparato.
deta.
yaa kshetrat asalela deta karyanvit karnyachya aadeshavar avalambun asato.
checksum.
checksum heey serve biteschya zorne banalele asate, jeey suruvatichya bitepasoon suru hote aanee tyaa bites deta fieldchya shevatchya bites sampate.
utpadak code.
haart conventionmadhye sahbhagi honanya pratyek utpadkala eka olakh kramank deela jaato. haah kramank pratham upkaranala jodatana vaparlya jaanarya moolbhut upkaran olakh aadeshacha bhag mhanoon sampreshit keela jaato.