Yog tias koj tau siv txhua lub sijhawm los daws qhov teeb meem tank qib ntsuas hauv cov txheej txheem cov nroj tsuag, koj twb paub tus nqi ntawm tus qauv sib nqus qib ntsuas. Nws muab cov lus qhia meej, pom hauv zos tam sim, khiav ntawm cov sib nqus sib nqus yooj yim, thiab tuav tau qhov kev ntseeg siab hauv high-temperature, high-pressure kua. Tab sis cov kab hluav taws xob ib txwm muaj 4-20 mA cov chaw taws teeb tswj tau tsim cov ntsiab lus mob tiag tiag: kev khiav dej num ntev, kev sib txuas lus, kev pom zoo siv hluav taws xob txaus ntshai, thiab kev ua haujlwm ntxiv thaum rov txhim kho cov qub tso tsheb hlau luam. Qhov no yog qhov twgWirelessHART magnetic theem ntsuaskhwv tau nws qhov chaw.
Cov cuab yeej no ua kom cov khoom siv sib nqus ntseeg tau ruaj khov, thaum ntxiv cov ntawv pov thawj WirelessHART transmitter module. Lub module thawb qib kev nyeem ntawv, ntsuas tus chij thiab lub tswb ceeb toom rov qab mus rau koj lub DCS, SCADA lossis tus tswv cuab tswj cuab tam - tsis tas yuav muaj cov kab hluav taws xob nyuaj. Qhov no tsis yog qee qhov generic aftermarket wireless add-on. Nws ua raws li IEC 62591 WirelessHART tus qauv, tsim tshwj xeeb rau cov txheej txheem automation, nrog mesh routing, adaptive channel hopping, AES-128 encryption thiab lub sij hawm-slotted kev sib txuas lus engineered rau hluav taws xob tsis zoo cog ib puag ncig.
Rau cov neeg saib xyuas cov nroj tsuag, pab pawg EPC thiab cov neeg koom ua ke, qhov kev thov rov hais dua yog qhov yooj yim pom. Koj khaws cov kev pom hauv zos siv koj cov neeg ua haujlwm hauv thaj chaw cia siab rau, thiab tsis txhob cuam tshuam tus nqi hnyav thiab teem caij pheej hmoo ntawm rub cov cuab yeej tshiab los ntawm qhov chaw nyob. WirelessHART tsis yog ib qho loj-kho-txhua qhov kev daws teeb meem, txawm li cas los xij. Hauv cov ntawv tshaj tawm no, peb yuav taug kev los ntawm kev ntsuas cov ntsuas no ua haujlwm li cas, cais lawv los ntawm lwm cov wireless qib sensors, lawv qhov zoo tshaj plaws, cov kev txwv nyuaj, thiab cov xwm txheej hauv cheeb tsam uas lawv ua rau muaj kev paub zoo tshaj plaws thiab nyiaj txiag.
Yuav ua li cas lub WirelessHART Magnetic Level Gauge ua haujlwm
Core Magnetic Level Gauge Mechanics
Lub hauv paus ntsuas lub hauv paus tseem nyob zoo ib yam rau apa magnetic theem gauge. Ib lub nkoj ntim ntim haum nrog cov hlau nplaum ruaj khov caij nce thiab nqis hauv lub bypass chamber mounted parallel rau cov txheej txheem tank. Raws li cov kua theem hloov, lub ntab raws li cov kua nto. Nws cov magnetic teb dhau los ntawm lub chamber phab ntsa kom tig qhov taw qhia ob-xim flaps ntawm qhov ntsuas sab nrauv, muab cov neeg ua haujlwm txuas ntxiv mus, ntawm qhov pom kev nyeem ntawv.
Cov zaub hauv zos no yog tag nrho passive. Nws ua haujlwm txawm tias lub wireless module muaj lub zog, txawm tias lub network nyob hauv online, lossis txawm tias lub sijhawm tag nrho ntawm qhov chaw fais fab tuag. Qhov kev rov ua dua tshiab yog qhov tseeb vim li cas cov txheej txheem engineers xaiv cov ntsuas qib sib nqus rau cov kev pabcuam tseem ceeb, tsis zoo li radar, ultrasonic lossis coj-yoj transmitters uas mus dig muag lub zog thib ob lossis kev sib txuas lus poob tawm.
WirelessHART Transmitter Module
Lub WirelessHART transmitter mounts ntawm lub ntsuas vaj tse, feem ntau nyob rau sab saum toj los yog sab ntawm lub bypass sib dhos. Nws taug qab txoj hauj lwm ntab ntawm ib qho kev sib txuas reed los yog magnetostrictive sensing array raws lub ntsuas raj, hloov txoj hauj lwm ntawd mus rau hauv tus nqi calibrated, thiab ntim cov ntaub ntawv rau hauv HART cov lus txib.
Hloov chaw ntawm 4-20 mA lub voj tam sim no, lub transmitter xa cov ntaub ntawv xa mus thoob plaws 2.4 GHz ISM band siv WirelessHART's TDMA, channel-hopping mesh raws tu qauv. Txhua WirelessHART ntaus ntawv tuaj yeem ua ob npaug li lub router. Yog tias txoj kab ncaj nraim ntawm qhov pom mus rau lub rooj vag raug thaiv los ntawm cov yeeb nkab racks, cov pob zeb ua pob zeb lossis cov hlab ntsha loj, cov khoom siv nyob sib ze relay pob ntawv kom txog thaum lawv mus txog lub rooj vag WirelessHART. Tus cwj pwm kho tus kheej no tau teeb tsa WirelessHART sib nrug los ntawm cov kev xaiv yooj yim-rau-taw tes wireless xws li LoRaWAN lossis Bluetooth, uas tsis muaj cov txheej txheem mesh ua rau cov txheej txheem ntom ntom.
Feem ntau cov chaw ua haujlwm khiav ntawm lub neej ntev lithium roj teeb pob. Ntau tus qauv muab ntau lub xyoo kev pabcuam qhov rais ua ntej yuav tsum muaj kev sib pauv roj teeb, tshem tawm qhov yuav tsum tau muaj zog 24 VDC fais fab ntawm lub tank.
End-to-End Data Flow
Kev ntsuas qib, ntsuas kev noj qab haus huv ntawm cov cuab yeej, lub tswb ntsuas qib siab / qis, thiab xaiv qhov ntsuas kub los ntawm kev ntsuas ntsuas los ntawm lub network mesh mus rau lub rooj vag WirelessHART. Lub rooj vag ces txhais cov HART hloov pauv mus rau Modbus, OPC UA lossis haiv neeg DCS raws tu qauv rau koj qhov kev tswj hwm. Koj pab pawg tswj hwm tau txais tib cov txheej txheem sib txawv uas lawv yuav tau txais los ntawm HART transmitter wired - rho tawm lub voj tooj liab.
Cov txiaj ntsig tseem ceeb ntawm WirelessHART Magnetic Level Gauges
Slash Installation Nqi thiab Retrofit Risk
Cov cuab yeej siv hluav taws xob feem ntau yog tus nqi loj tshaj plaws thaum ntxiv cov ntsiab lus tshiab rau cov nroj tsuag uas twb muaj lawm. Conduit, cable, cable tais, explosion-proof junction boxes, txawj ua hauj lwm thiab soj ntsuam kos npe-offs ntxiv ceev ceev. Brownfield kev teeb tsa ua rau mob taub hau ntxiv: daim ntawv tso cai ua haujlwm kub, kaw qhov rais nqaim, thiab kev sib koom tes tas li nrog kev tsim khoom.
Lub WirelessHART ntsuas qib magnetic txiav tawm tag nrho cov kab hluav taws xob ua haujlwm. Koj mount lub bypass chamber, muab lub wireless ntaus ntawv rau koj lub rooj vag WirelessHART uas twb muaj lawm, thiab pib ntes cov ntaub ntawv. Qhov ntawd ua rau nws haum rau lub tank ua liaj ua teb, thaj chaw cia khoom thaj chaw lossis cov hlab ntsha tawg uas khiav cov kab hluav taws xob tsis zoo lossis tsis raug nqi. Ntau pab pawg siv cov ntsuas no los ntxiv cov ntsiab lus tsis tu ncua theem nrab ntawm API 650 cia tso tsheb hlau luam yam tsis tau kov cov cuab yeej hluav taws xob uas twb muaj lawm.
Built-In Redundancy: Local Visual Read + Digital Remote Data
Feem ntauwireless theem transmitterstsuas pub ib lub teeb liab digital rov qab rau chav tswj. Yog hais tias lub xov tooj cua tsis ua haujlwm, lub rooj vag poob offline lossis lub roj teeb tuag, koj poob txhua qhov pom. Lub WirelessHART magnetic level gauge zam qhov no ib qho kev ua tsis tiav. Lub tshuab ntsuas ntsuas txuas ntxiv qhia txog qib kua rau cov neeg ua haujlwm ua haujlwm, tsis muaj kev ywj pheej ntawm cov khoom siv hluav taws xob, roj teeb lub xeev lossis kev noj qab haus huv network.
Qhov no tseem ceeb heev rau kev saib xyuas kev nyab xeeb ntawm lub tank, tiv thaiv kev nchuav thiab overfill lub tswb. Cov neeg saib xyuas tseem tuaj yeem nyeem phau ntawv qhia thaum lub sijhawm ua haujlwm network, thiab cov kev tswj hwm rov pib txiav txim siab rov pib dua thaum kev sib txuas lus zoo.
Robust, Security-Focused Industrial Wireless
WirelessHART tau tsim rau cov txheej txheem automation, tsis yog chaw ua haujlwm IT networks. Nws siv AES-128 encryption rau tag nrho cov tsheb khiav wireless, ntaus ntawv whitelisting los txheeb xyuas cov cuab yeej tshiab koom nrog lub network, thiab lub sijhawm teem sijhawm uas txo cov teeb liab sib tsoo thiab cuam tshuam los ntawm VFDs nyob ze, xov tooj cua ob txoj kev thiab cov khoom siv hluav taws xob hnyav. Channel hopping cia cov cuab yeej cia li hloov mus deb ntawm congested frequencies - ib qho tseem ceeb feature ntawm cov nroj tsuag tshuaj thiab refineries qhov twg RF suab tsis tu ncua.
Txij li nws yog HART variant, nws kuj txhawb cov cuab yeej paub txog kev kuaj mob. Koj tuaj yeem rub tus qauv HART raws li txoj cai, taug qab cov roj teeb hluav taws xob, saib kab ntawv txuas, thiab chij drift lossis daig-float tej yam kev mob ncaj qha los ntawm koj cov cuab yeej tswj software. Qhov no yog qhov sib txawv meej rau cov neeg siv khoom-qib IoT wireless, uas tsis tshua muaj xws li cov txheej txheem kuaj mob.
Yooj yim scaling ntawm uas twb muaj lawm WirelessHART Infrastructure
Yog tias koj lub vev xaib twb tau khiav lub rooj vag WirelessHART rau lub siab, qhov kub thiab txias lossis lub valve txoj haujlwm transmitters, ntxiv cov ntsuas qib sib nqus yog ncaj qha. Lawv koom nrog tib lub mesh nrog koj lwm cov cuab yeej WirelessHART. Tsis muaj kev sib cais huab platform, cov khoom siv xov tooj cua ywj pheej lossis cov phiaj xwm cellular yuav tsum muaj rau txhua lub tank.
Qhov no yog ib qho ntawm nws qhov muag khoom muaj zog tshaj plaws rau cov chaw uas twb tau nqis peev hauv FieldComm Group HART ecosystem. Configuration workflows, host kev koom ua ke thiab kev cob qhia ua haujlwm nyob ib puag ncig koj tag nrho cov cuab yeej siv wireless.
Kev tu tsis tu ncua tsawg thiab lub neej nyob ntev
Zoo WirelessHART magnetic theem ntsuassiv cov kaw lus kaw, tsis tshua muaj hluav taws xob xov tooj cua modules. Cov khoom siv roj teeb txheem xa tawm ntau xyoo ntawm kev pabcuam ntawm tus nqi hloov tshiab, thiab kev hloov pauv yooj yim - tsis tas yuav tsum kaw lub tank. Yog tsis muaj lub voj thaiv rau corrode, splices tsis ua hauj lwm los yog intrinsic kev nyab xeeb teeb meem los soj ntsuam, niaj hnub tu yuav nqaim mus rau qhov pom qhov taw qhia checks thiab periodic roj teeb kev noj qab haus huv xyuas.
Ib qho kev ceeb toom: hloov tshiab tus nqi ncaj qha cuam tshuam rau roj teeb lub neej. Tshaj tawm nrawm dua lub sijhawm ua kom lub zog nrawm dua. Cov neeg siv feem ntau tau teem sijhawm 30-thib ob mus rau 5-feeb mus rau kev saib xyuas lub tank, tsis yog tus nqi thib ob uas tau txwv rau kev kaw lub voj.
Cov kev txwv tiag tiag koj yuav tsum nkag siab
WirelessHART magnetic level gauges muaj peev xwm, tab sis lawv tsis haum rau txhua daim ntawv thov qib. Paub txog cov ciam teb no ua rau koj tsis raug nqi tsis raug.
Ua ntej, WirelessHART yog tsim los rau kev saib xyuas, tsis ceev kaw-loop tswj tswj. Lub mesh network muaj qhov sib txawv latency. Yog tias koj xav tau nruj, kev txiav txim siab ntawm kev pub noj valve teb rau qib kev hloov pauv, lub xaim 4-20 mA HART transmitter tseem yog qhov kev xaiv zoo dua.
Thib ob, RF kev ua tau zoo nyob ntawm qhov chaw teeb tsa. Thick steel vessel walls, dense pipe racks and heavy metal structures will reduce link margin. Ib txwm ua kom tiav RF qhov chaw soj ntsuam ua ntej xa mus, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj neeg coob coob. Raws li txoj cai ntawm tus ntiv tes xoo, lub hom phiaj ntawm qhov sib txuas ntawm qhov tsawg kawg yog 10-15 dB kom suav nrog huab cua raws caij nyoog, cov cuab yeej tshiab thiab hloov kev cuam tshuam raws sijhawm.
Thib peb, zoo li tag nrho cov ntsuas qib sib nqus, nws muaj kev txwv kev tshaj tawm. Cov kua uas nqa cov khib nyiab hnyav tuaj yeem npog lub ntab los yog hla lub chamber, ua rau qeeb ntab mus ncig thiab ua rau cov nplaum. Cov kua nplaum tshwj xeeb tsawg heev xav tau kev cai ntab tsim. Cov hlau nplaum nyob ze muaj zog tuaj yeem cuam tshuam cov hlau nplaum sib txuas thiab kev nyeem ntawv sensor, yog li tsis txhob mounting ze rau cov transformers loj lossis cov hlau nplaum hnyav.
Lub sijhawm hloov roj teeb yog lwm yam khoom siv los npaj rau. Tsim cov roj teeb sib pauv rau hauv koj lub sijhawm tiv thaiv kev tiv thaiv, tsis yog xav tias lub cuab yeej ua haujlwm tsis tas li.
Cov ntawv thov dav dav rau WirelessHART Magnetic Level Gauges
Nws qhov chaw qab zib yog qhov kev soj ntsuam tas li uas koj xav tau ob qho tib si hauv zos tus neeg teb xov tooj pom thiab tej thaj chaw deb cov ntaub ntawv, thiab xaim cabling nyuaj rau nruab. Cov chaw ntim tshuaj lom neeg ntau, cov dej khib nyiab, cov roj tso tsheb hlau luam, cov chaw taws teeb sib cais thiab LPG tsis tso tsheb hlau luam tag nrho haum zoo. Ntau pawg EPC kuj tseem qhia lawv rau cov kev tiv thaiv kev tiv thaiv kev tiv thaiv ib puag ncig raws li kev ywj pheej, kev ntsuas qib sib txawv, cais los ntawm thawj lub radar lossis lub tshuab xa hluav taws xob.
Lawv kuj tseem nrov rau cov chaw qub txeeg qub teg uas cov tswv lag luam xav ntxiv kev saib xyuas digital yam tsis tau qhib cov ntawv tso cai hluav taws xob txaus ntshai lossis rub cov kav dej tshiab. Khoom noj khoom haus thiab dej haus, cov ntaub so ntswg thiab ntawv, thiab cov chaw tshuaj lom neeg tsis tu ncua siv cov ntsuas no kom tsis muaj teeb meem txog li SIL-2 muaj peev xwm saib xyuas, nyob ntawm pob ntawv pov thawj cov cuab yeej.
Kev xaiv tswv yim thiab commissioning checklist
Ua ntej xaj lossis xa mus rau WirelessHART ntsuas qib sib nqus, ua haujlwm los ntawm cov ntsiab lus no nrog koj tus neeg muag khoom:
Paub meej tias cov txheej txheem kub, siab, kua dej tshwj xeeb lub ntiajteb txawj nqus thiab cov khoom ntub dej sib xws (316L, Hastelloy C-276, PTFE liner raws li xav tau).
Xyuas kom tseeb tias lub transmitter nqa cov ntaub ntawv pov thawj WirelessHART rau IEC 62591, tsis yog tus tswv wireless knock-off.
Sib phim lub sijhawm hloov tshiab rau koj cov ntaub ntawv siv, ntsuas kev ua haujlwm tiv thaiv roj teeb lub neej.
Khiav ib qho chaw RF daim ntawv ntsuam xyuas rau daim ntawv qhia chaw nkag qhov rooj thiab qhov chaw ntsuas router.
Txhais raws nraim qhov twg HART variables koj xav tau: theem, ntab kub, ntaus ntawv raws li txoj cai, tswb me ntsis.
Paub meej tias kev sib raug zoo nrog koj lub rooj vag WirelessHART thiab DCS / OPC server.
Validate qhov taw qhia hauv zos ua haujlwm cais los ntawm kev sib txuas lus wireless thaum pib.
Kev xav zaum kawg
A WirelessHART magnetic theem ntsuascombines cov pov thawj mechanical kev ntseeg siab ntawm ib qib sib nqus ntsuas nrog qhov yooj ntawm standardized industrial wireless. Nws muab rau koj ob qho kev ywj pheej ntawm cov ntaub ntawv qib: qhov yooj yim, tsis pom kev pom kev nyab xeeb rau cov tswv lag luam, thiab HART cov ntaub ntawv digital rau chav tswj hwm, cov cuab yeej tswj hwm platform thiab cov ntaub ntawv keeb kwm.
Nws yuav tsis hloov cov xaim xaim xaim rau kev tswj ceev kaw, tab sis rau kev saib xyuas lub tank ua liaj ua teb, brownfield retrofits, tej thaj chaw deb nkoj thiab rov qab saib xyuas kev nyab xeeb, nws feem ntau xa cov nqi zog tshaj plaws ntawm kev ua tswv cuab rau qhov project. Yog tias koj lub vev xaib twb tau ua haujlwm WirelessHART network, nws dhau los ua txoj hauv kev txhim kho ntau dua. Qhia kom raug, ua ke nrog RF daim ntawv ntsuam xyuas thiab cov phiaj xwm kev kho roj teeb tiag tiag, nws tshem tawm ntau qhov kev sib txhuam ntawm cov xov hlau uas ua rau qeeb ntawm kev soj ntsuam cov ntsiab lus.
Cov ntaub ntawv
- IEC 62591: 2010 Kev sib txuas lus kev lag luam - Kev sib txuas lus wireless thiab kev sib txuas lus profiles - WirelessHART, International Electrotechnical Commission
- FieldComm Group, HART 7.9 Specification Suite, WirelessHART Network Management Specification
- ISA, Automation Network Xaiv, Tshooj 3: Taw Qhia rau Kev Lag Luam Network, ISA Technical Resources
- NIST, A Simulation Framework rau Industrial Wireless Networks thiab Txheej Txheem Tswj Xyuas Txheej Txheem, WirelessHART thiab ISA100 kev qhia ua haujlwm
- Lamont Controls, Txhim Kho Qhov Zoo Tshaj Plaws rau Sib Nqus Qib Gauges, Field calibration thiab Indicator Verification Guide
