Txhawm rau kuaj thiab tshawb xyuas lub peev xwm nkag tau muaj peev xwm ntawm Relay, koj yuav tsum tau txiav txim siab seb cov kev sib tw ntau npaum li cas tuaj yeem ua kom nyab xeeb. Nco ntsoov tshuaj xyuas ob qho siab tshaj plaws thiab kev ntsuas tsawg kawg rau kev tiv tauj kev thauj khoom muaj peev xwm ntawm relay. Siv cov load tsis muaj peev xwm yuav puas cov relay lossis ua rau nws swb. Cov ntaub ntawv tsim tawm cov ntaub ntawv tshwj xeeb muab cov ntaub ntawv muaj tseeb tshaj plaws txog kev tiv tauj muaj peev xwm ntawm Relay, yog li koj yuav tsum nyeem cov ntsiab lus no ua ntej ua cov ntawv xeem.
Tseem Ceeb Takaways
Paub tias kev tiv tauj muaj peev xwm txhais tau tias rau kev ncua. Nws yog qhov siab tshaj plaws thiab qhov qis tshaj plaws hluav taws xob thiab tam sim no ib qho kev xa tawm tuaj yeem ua kom nyab xeeb.
Ib txwm saib cov chaw tsim khoom tshwj xeeb ua ntej koj sim. Qhov no pab koj siv txoj kev relay txoj kev thiab ua kom nws los ntawm kev tawg.
Siv cov cuab yeej raug rau kev sim, zoo li kev ntsuas ntau thiab kev xa tawm. Cov khoom siv yog koj mus kuaj voltage thiab tam sim no nyob rau hauv txoj kev nyab xeeb.
Ua raws cov cai kev nyab xeeb thaum koj xeem. Hnav looj tes thiab hnab looj tes. Nco ntsoov tias koj qhov chaw ua haujlwm yog huv thiab qhuav kom koj tsis raug mob.
Kev kuaj ncua dua kom pom cov teeb meem thaum ntxov. Qhov no pab koj cov cuab yeej muaj kev nyab xeeb thiab ua haujlwm zoo.
Hu rau thauj khoom muaj peev xwm ntawm Relay
Zaj piav
Ua ntej koj yuav tsum xeem, koj yuav tsum paub qhov chaw tiv tauj muaj peev xwm ntawm Relay txhais tau tias. Qhov no yog qhov ntau ntawm cov hluav taws xob thauj cov kev sib cuag relay tuaj yeem hloov chaw nyab xeeb. Lub nra muaj ob qho hluav taws xob thiab qhov tam sim no. Yog tias koj siv lub relay nrog cov thauj khoom ntau dhau, cov neeg tuaj yeem raug puas lossis cov neeg xa khoom tuaj yeem nres ua haujlwm. Tus tiv toj thauj khoom muaj peev xwm ntawm relay suav nrog qhov siab tshaj plaws thiab qhov hluav taws xob qis thiab tam sim no nws tuaj yeem daws tau. Nco ntsoov nco ntsoov koj cov relay ntais ntawv load hauv koj lub Circuit Court.
Qhov siab tshaj plaws thiab kev ntsuas tsawg kawg
Txhua relay muaj qhov siab tshaj plaws thiab tsawg tshaj qhov ntaus nqi rau voltage thiab tam sim no. Qhov kev ntsuas siab tshaj plaws yog qhov feem ntau tshaj plaws thiab tam sim no cov relay tuaj yeem hloov kev nyab xeeb. Qhov kev ntsuam xyuas tsawg kawg yog qhov tsawg tshaj plaws uas xav tau rau cov relay ua haujlwm tau zoo. Yog tias koj mus dhau qhov siab tshaj plaws, cov neeg sib ze yuav lo ua ke lossis hlawv. Yog tias koj siv tsawg dua qhov tsawg kawg nkaus, cov relay yuav tsis hloov txoj cai lossis cov neeg tuaj yeem tsis ua haujlwm zoo tom qab ib ntus. Nco ntsoov xyuas cov kev ntsuas no ua ntej koj siv ib qho relay.
Tswv yim:Tsis txhob ntsuas ib qho relay nrog lub nra ntau dua li qhov ntsuas ntsuas ntau tshaj plaws. Qhov no tuaj yeem ua rau kev puas tsuaj tas li.
Chaw Tsim Tshuaj Cov Chaw Tsim Tshuaj
Koj tuaj yeem pom tus hu rau thauj tau peev xwm ntawm relay hauv cov ntawv tsim khoom ntawm cov ntawv teev cov ntawv tshwj xeeb. Cov ntawv no qhia koj cov khoom tseem ceeb, zoo li:
Kev ntsuas kev ntsuas rau kev siv nyab xeeb
Cov ntaub ntawv tiv toj, uas cuam tshuam li cas cov relay ua haujlwm thiab ntev li cas nws kav
Lub sijhawm ua haujlwm, uas qhia tau sai npaum li cas relay tig rau lossis tawm
Kev ntsuas kev ntsuas rau ntau hom thauj khoom, xws li tiv taus lossis inductive
Koj yuav tsum nyeem cov ntawv no kom zoo. Saib rau ob qho siab tshaj plaws thiab kev ntsuas tsawg kawg. Them sai sai rau hom kev thauj khoom, vim tias ib tug relay yuav lis cov nyiaj sib txawv rau kev tiv thaiv ntau thiab inductive thauj khoom. Siv cov lus relay rau koj tes num pab koj zam cov teeb meem thiab ua kom koj lub pob zeb muaj kev nyab xeeb.
Npaj rau kev sim
Khoom Siv Xav Tau
Koj xav tau cov cuab yeej zoo ua ntej koj sim. Cov cuab yeej no pab koj tshawb xyuas lub peev xwm thauj khoom muaj peev xwm ntawm kev nyab xeeb. Muaj ntau yam ntawm cov khoom siv sim. Txhua lub cuab yeej ua qee yam sib txawv. Ntawm no yog cov lus uas teev qee cov cuab yeej thiab lawv ua li cas:
|
Cuab Yeej Siv / Ntsuas |
Kev piav txog |
|---|---|
|
High - Kev Xeem Tam Sim No |
Siv cov hloov pauv loj loj rau cov kab voltage thiab muab siab tam sim no. |
|
Relay Kuaj Teeb |
Muaj ntau ntau yam los sim cov khoom khov - lub xeev thiab ntau - kev tiv thaiv cov khoom siv. |
|
Circuit Court Breaker Tester |
Txuas rau high - Kev xeem tam sim no tau teeb tsa rau kev kuaj xyuas qhov ua txhaum hauv av thiab lwm yam tshiab. |
Tej zaum koj kuj yuav xav tau kev ntsuas ntau, kev sim ua, thiab lub txhab nyiaj thauj khoom. Cov kev pab no koj ntsuas voltage, tam sim no, thiab kev tawm tsam. Nco ntsoov nco ntsoov koj cov cuab yeej sib phim cov kev ntsuas rau koj lub relay.
Kev ceev faj kev nyab xeeb
Kuaj cov nyiaj rov qab tuaj yeem muaj kev pheej hmoo yog tias koj tsis ua raws li kev nyab xeeb cov cai. Koj yuav tsum nco ntsoov hnav kev ruaj ntseg iav zoo li hnab looj tes thiab goggles. Nco ntsoov tias koj qhov chaw ua haujlwm yog qhuav thiab huv. Tsis txhob kov cov xov hlau los yog cov terminals uas muaj hwj chim. Ntau lub teb chaws muaj kev nyab xeeb txoj cai rau kev sim hluav taws xob. Ntawm no yog lub rooj nrog qee cov qauv tseem ceeb:
|
Lub teb chaws |
Kev Nyab Xeeb Txuj |
|---|---|
|
Nyiaj txiag |
Khoom siv hluav taws xob thiab cov txheej txheem tswj |
|
Usa |
UL |
|
Canada |
Cma |
|
Lub teb chaws Yelemees |
Vde |
|
Sab Teb chaws Europe |
Semko |
|
Great Britain |
Bs |
Koj yuav tsum ua raws li tus qauv kev nyab xeeb rau koj lub tebchaws. Cov cai no pab kom koj nyob nyab xeeb los ntawm hluav taws xob thiab hluav taws. Nco ntsoov tua lub zog ua ntej koj txuas lossis disconnect dab tsi. Yog tias koj tsis paub xyov yuav ua li cas, nug tus kws tshaj lij kom pab.
⚠️ Tswv yim:Nco ntsoov xyuas txhua qhov sib txuas ua ntej koj pib. Cov kauj ruam yooj yim no tuaj yeem nres cov xwm txheej thiab ua kom koj txoj kev nyab xeeb thaum sim.
Cov txheej txheem sim
Reveive Load kuaj
Pib los ntawm kev sim cov relay nrog lub nra hnyav. Lub load no yog qhov yooj yim sim. Nws tsis ua cov hluav taws xob ntxiv. Ntawm no yog cov kauj ruam rau cov kev ntsuas thauj khoom:
Siv cov ntawv tso tawm digital tso tawm, xws li Ni9472, thiab tsav tsheb thoob. Cov hwj chim no cov relay chev. Teem caij kauj tig mus thiab tawm ntawm lub sijhawm sib txawv.
Suav ntau npaum li cas ntau zaus cov relay hloov. Sim mus txog ntau dua 100,000 mus los rau ib qho kev sim tag nrho.
Txhua 100 lub voj voog, khaws cov neeg sib tham relay kaw. Disconnect lub ntsiab hluav taws xob lub zog, xws li 15a ntawm 30V. Siv plaub {{5 5}} xaim cov txheej txheem nrog 6V cov khoom thiab 1a kom ntsuas kev sib cuag.
Sau cov nqi tiv taus cov nqi tiv. Tua cov ntsuas ntsuas hluav taws xob. Rov sim dua cov khoom thauj khoom. Khiav lwm 100 kev voj voog.
Rov ua cov kauj ruam no kom txog rau thaum lub relay ua tsis tiav lossis koj ua tiav kev sim. Qhov no pab koj sau ntau cov ntaub ntawv hais txog yuav ua li cas cov neeg sib tw ua haujlwm dhau sijhawm.
Tswv yim:Nco ntsoov xyuas cov relay qhov kub thiab txias thaum xeem. Cua sov kub tuaj yeem ua rau cov neeg sib tiv tauj.
Inductive Thauj Kuaj
Inductive thauj khoom, zoo li lub cev muaj zog lossis cov solenoids, yog qhov nyuaj rau kev rov qab. Lawv ua cov hluav taws xob hluav taws xob thaum muab tua. Cov kab mob spikes no tuaj yeem ua rau arcing thiab hnav cov neeg hu tau sai dua. Thaum kuaj ib qho relay nrog lub nra hauv inductive, saib rau cov kev pheej hmoo no:
|
Kev sib tw / kev pheej hmoo |
Kev piav txog |
|---|---|
|
Kho neeg puas swb |
Lub relay lub caij nplooj ntoo hlav feem yuav qaug tsis tau kev siv dua. |
|
Kev ntxhov siab ib puag ncig kev ntxhov siab |
Kub kub los yog av noo tuaj yeem ua rau lub coil hnav tawm lossis ua rau rwb thaiv tsev swb. |
|
Cov teeb meem hluav taws xob |
Inductive thauj tau tuaj yeem tsim cov hluav taws xob muaj zog volt, ua rau arcing thiab sai dua kev sib ze hnav. |
Txhawm rau ntsuas nrog lub thauj inductive:
Txuas cov relay rau lub nra zoo li lub cev muaj zog me me lossis relay chev.
Hloov cov relay rau thiab tawm ntau zaus, ib yam li hauv kev tawm tsam tiv taus.
Saib rau cov cim ntawm arcing lossis hlawv ntawm cov neeg sib tiv tauj.
Ntsuas kev sib cuag tiv thaiv nyob rau lub sijhawm.
Sau cov kev hloov pauv ntawm kev ua haujlwm lossis cov cim tsis ua haujlwm.
⚠️ Nco tseg:Inductive thauj tuaj yeem ua rau rov qab hnav ua kom nrawm dua. Txhua zaus yuav tsum siv tus snubber lossis flyback diode los tiv thaiv cov neeg hu thaum xeem.
Kev ntsuas hluav taws xob thauj khoom
Lub zog tau loads, xws li capacitors lossis ntev cables, tuaj yeem ua kom siab inrush cov dej ntws thaum tau hloov mus. Cov dej siab no tuaj yeem ua rau kev puas tsuaj relay tiv tauj sai. Nov yog qee yam koj yuav pom thaum lub sij hawm thauj khoom hluav taws xob
Koj tuaj yeem pom ib lub siab dhia hauv qhov tam sim no. Piv txwv li, 1-ohm NTC thermistor tuaj yeem tsa lub ncov inrush tam sim no los ntawm 36%. Ib 5-Ohm NTC tuaj yeem tsa nws 58%.
Cov kev sib cuag relay tuaj yeem hnav cov nrawm dua. Hauv qee qhov kev xeem, cov neeg hu tau pom hnyav hnav thiab txawm tias daig ua ke tom qab 26,000 voj voog tsis muaj NTC ntaus ntawv.
Siv SPTC tus cua sov tuaj yeem pab tau. Nws txiav cov khoom xa mus los ntawm 40-50% thiab lowers qhov kev pheej hmoo ntawm "lub khob hliav qab thiab kev ua qab yub. Qhov no pab tau cov relay ntev dua.
Los sim nrog lub peev xwm thauj khoom:
Txuas cov relay rau ib puag ncig nrog lub capacitor loj.
Hloov cov relay rau thiab tawm rau ntau lub voj voog.
Saib rau cov cim ntawm kev sib cuag hnav lossis sticking.
Sim siv NTC thermistor nyob rau hauv Circuitor hauv lub hauv paus hniav pom yog tias nws pab tiv thaiv cov neeg sib tiv toj.
💡 Tswv yim:Nco ntsoov saib cov relay rau cov suab thaum tshav kub thiab coj txawv txawv thaum lub sijhawm ntsuas no.
Xam load ntsuas kev txwv
Koj yuav tsum paub tag nrho cov kev thauj koj lub relay tuaj yeem lis. Qhov no hu ua kev thauj khoom. Koj tuaj yeem nrhiav nws los ntawm kev nthuav dav los ntawm tam sim no. Ntawm no yog rooj los pab koj:
|
Voltage (V) |
Tam sim no (a) |
Hwjchim (W) |
|---|---|---|
|
AC 250 |
5 |
1250 |
|
DC 24 |
5 |
120 |
Piv txwv li, yog tias koj lub relay hloov 250V AC ntawm 5A, tag nrho cov nra yog 1250 Watts. Yog tias koj siv 24V DC ntawm 5A, lub load yog 120 watts. Tsis txhob cia koj qhov kev kuaj mus rau saum toj no qhov tseem ceeb ntawm cov khw. Mus rau ntawm kev tiv tauj kev thauj khoom muaj peev xwm ntawm relay tuaj yeem ua rau nws swb lossis tsis nyab xeeb.
Nco tseg:Nco ntsoov xyuas cov chaw tsim khoom lag luam Datasheet rau txoj kev ntaus nqi yog ua ntej koj pib ib qho kev xeem.
Cov Lus Qhia Kev Ntsuas Ntxiv
Sib txawv hom kev caij nyoog xav tau cov kev sib tw sib txawv. Ntawm no yog ib lub rooj uas sib piv cov tawv - Xeev Relays (SSR) thiab elec):
|
Yam zoo |
Lub xeev relay (SSR) |
Electromechanical Relay (EMR) |
|---|---|---|
|
Hloov txoj kev |
Siv cov semiconductors thiab optos |
Siv cov coil sib nqus thiab sib cuag |
|
Txav chaw |
Tsis muaj |
Tau txav chaw |
|
Hloov nrawm |
Heev ceev |
Yuag |
|
Neeg Kho Tshuab Hnav |
Tsis muaj |
Tuaj yeem hnav |
|
Hluav Taws Xob |
Qi |
Tuaj yeem nrov |
|
Kev Ua Haujlwm Lub Neej |
Ntev ntev |
Luv dua |
Koj yuav tsum ua raws li cov qauv kev lag luam rau kev sim. Nov yog qee qhov tseem ceeb:
|
Cov Koom Haum |
Txheem cim |
Kev piav txog |
|---|---|---|
|
Mee |
C37 |
Ruav cov qauv kev ua tau zoo, phiaj xwm kev sim, thiab cov txuj ci kev sim rau kev xa tawm. |
|
Iec |
60255 |
Muab cov lus qhia rau kev sim hluav taws xob rov qab thiab relays nrog ua - hauv kev sim lub peev xwm. |
Kev xeem yuav tsum tshwm sim rau lub sijhawm tsis tu ncua. Ntawm no yog daim phiaj qhia uas qhia tias ntau npaum li cas koj yuav tsum tau kuaj kom rov qab nyob rau hauv cov Hoobkas
Kev Ntsuam Xyuas Pom: Txhua 1 txog 2 xyoos
Kev Tshuaj Xyuas Kev Txhaj Tshuaj Thib Ob: Txhua 1 txog 3 xyoos
Kev Tshuaj Ntsuam Kev Txhaj Tshuaj Tiv Thaiv: Txhua 3 rau 5 xyoos lossis tom qab hloov loj
Ib txwm sim tom qab kev teeb tsa, teeb tsa hloov pauv, lossis kev ua txhaum
Ceeb toom:Kev sim tsis tu ncua pab koj nrhiav teeb meem thaum ntxov thiab ua kom koj cov khoom siv kom muaj kev nyab xeeb.
Cov txiaj ntsig thiab teeb meem
Txhais lus ntsuam xyuas
Tom qab koj ua tiav kev xeem, saib koj cov txiaj ntsig zoo. Cov txiaj ntsig tau zoo txhais tau tias koj relay ua haujlwm li nws yuav tsum tau. Cov txiaj ntsig tsis zoo tuaj yeem qhia koj tias muaj teeb meem. Koj tuaj yeem siv lub rooj kom pom dab tsi yog qhov qub thiab dab tsi tsis yog:
|
Sim nam nam nam |
Ua haujlwm relay tshwm sim |
Faulty reeay tshwm sim |
|---|---|---|
|
Coil Kuj (Ohms) |
Nruab nrab ntawm 40 thiab 120 ohms (li qub chev) |
Sab nraum 40-120 ohms (qhia tau kev txhaum) |
|
Txuas ntxiv ntawm com thiab NC |
Txuas ntxiv tam sim no thaum relay yog de -}} energized |
Ncua ntxiv tsis yog lossis tsis sib xws |
|
Txuas ntxiv ntawm com thiab tsis muaj |
Txuas ntxiv tam sim no thaum relay yog energized |
Ncua ntxiv tsis yog lossis tsis sib xws |
Koj yuav tsum kuaj cov ntaub ntawv tshwm sim thiab cov ntaub ntawv. Qhov kev txhaum cov ntaub ntawv ntawm cov khoom siv hluav taws xob (ieds) qhia li cas koj cov relay ua haujlwm thaum muaj teeb meem. Yog tias koj piv qhov ntsuas tam sim no thiab simulated tam sim no, koj tuaj yeem nrhiav ua tsis raug cai nyob rau hauv relay chaw lossis xaim. Saib ntawm cov ntaub ntawv ua txhaum pab koj nrhiav thiab kho cov teeb meem teeb tsa ua ntej lawv ua teeb meem.
Yog tias koj xav kuaj yog tias Relay Software yog kev ntseeg siab, koj tuaj yeem siv kev ua yuam kev txhaj tshuaj. Qhov kev ntsuas no qhia tau ntau npaum li cas cov software tsis ua thaum ntxhov siab. Nws yog ib qho tseem ceeb rau kev ua kom koj lub cev muaj kev nyab xeeb.
📝 Tswv yim:Nco ntsoov sau koj cov ntawv xeem. Qhov no pab koj pom tias koj cov relay ua haujlwm dhau sijhawm thiab cov teeb meem thaum ntxov.
Cov cim ntawm overload lossis tsis ua tiav
Koj yuav tsum tau saib rau cov cim qhia tias koj lub relay yog overloaded los yog tsis ua haujlwm. Qee cov phiajcim tau raug hlawv cov neeg, kev tswj kev tawg tawg, thiab thermal keeb ua tsis tiav. Cov lus hauv qab no qhia tias yuav saib xyuas dab tsi rau:
|
Kos npe ntawm overload / tsis ua tiav |
Kev piav txog |
|---|---|
|
Kev Tswj Xyuas Kev Tswj Xyuas Kev Lag Luam Malfunction |
Txoj kev tswj hwm hluav taws xob tsis ua haujlwm vim muaj kev hloov kho tsis zoo lossis raug tua. |
|
Kev Tiv Thaiv Hlawv |
Cov neeg sib cuag tau hlawv lossis hloov tus pas nrig txav yog puas. Koj yuav tsum tau kho lossis hloov cov relay. |
|
Thermal caij ua swb |
Lub thermal caij hlawv tawm los ntawm ntau tam sim no lossis siv nws ntau dhau hauv lub sijhawm luv. |
Koj tuaj yeem tshawb xyuas cov teeb meem no los ntawm:
Kev tshuaj ntsuam ib txwm qhib kev sib cuag (97 txog 98) rau kev qhib Circuit Court ("ol" ntawm koj lub meter).
Nco ntsoov tias cov neeg nquag raug kaw (95 rau 96) nyob qis qis (0 ohms).
Nias lub pob ntsuas ntsuas kom ua rau muaj ntau dhau thiab saib seb cov kev ua relay li cas.
Yog tias koj pom ib qho ntawm cov teeb meem no, koj yuav tsum:
Kaw lub zog muaj kev nyab xeeb thiab siv cov kab / cim npe tag nrho.
Nco ntsoov tias lub zog tawm nrog lub ntsuas hluav taws xob.
Txheeb xyuas cov chaw relay thiab sib piv rau koj lub cev muaj zog tag nrho cov khoom lag luam amperage (FLA).
Hloov cov chaw yog tias xav tau, feem ntau yog 110% -125% ntawm cov fla.
Yog tias koj tsis xyuas qhov kev tiv tauj muaj peev xwm ntawm Relay, nws tuaj yeem tau kub heev, hnav tawm, weld ua ke, lossis txawm tias swb. Qee lub sij hawm rov qab saib zoo tab sis tsis ua haujlwm thaum lub txim. Qhov no tuaj yeem tso koj cov khoom siv thiab kev nyab xeeb ntawm kev pheej hmoo. Kev sim feem ntau thiab kho cov teeb meem sai sai pab ua kom koj lub cev ua haujlwm zoo.
⚡ Nco tseg:Ib txwm saib rau cov av, xeb, lossis hnav rau kev sib cav. Ntxuav lawv maj mam thiab sim lawv feem ntau los nrhiav teeb meem thaum ntxov.
Yog tias koj ua raws li ob qho tib si qhov siab tshaj plaws thiab tsis tshua muaj kev sib tiv tauj kev sib tiv tauj, koj cov ntawv sau thiab khoom siv nyob nyab xeeb. Qhov kev ntaus nqi siab tshaj plaws nres kev puas tsuaj. Qhov kev ntaus nqi tsawg kawg pab cov khoom ua haujlwm txhua lub sijhawm.
Yog tias koj siv cov kev ntsuas yog lawm, koj relay yuav nyob ntev thiab ua haujlwm zoo.
Kuaj kev nyab xeeb thiab raug, ib txwm:
Hnav cov iav ruaj ntseg zoo li hnab looj tes thiab tsom iav
Ua raws cov cai kev nyab xeeb thiab kuaj xyuas cov kev pheej hmoo
Xaiv cov cuab yeej txoj cai rau kev sim
Saib ntawm cov chaw tsim khoom cov ntaub ntawv ua ntej koj pib. Thaum koj siv tus cwj pwm zoo, koj zam dhau kev yuam kev thiab ua kom koj lub cev ua haujlwm.
Cov FAQ
Yuav muaj dab tsi tshwm sim yog tias koj tshaj li relay qhov kev sib cuag siab tshaj plaws?
Yog tias koj tshaj qhov siab tshaj plaws load, cov neeg xa xov hluav taws xob tuaj yeem hlawv, weld ua ke, lossis swb. Qhov no tuaj yeem ua rau koj lub Circuit Court tsum tsis ua haujlwm. Nco ntsoov xyuas cov kev ntaus nqi cov kev ntaus nqi ua ntej kev sim lossis siv cov lus xa tawm.
Yuav ua li cas koj thiaj paub tias kev sib cuag relay yog hnav?
Koj tuaj yeem pom pitting, tshem tawm, lossis hlawv ntawm cov neeg sib tiv tauj. Tus relay yuav tsis hloov kom zoo. Koj tuaj yeem siv tshuaj tsw qab rau kev kuaj xyuas lub siab tiv thaiv lossis txuas ntxiv.
Koj tuaj yeem kuaj ib qho relay yam tsis tshem nws ntawm Circuit Court?
Yog lawm, koj tuaj yeem sim ua haujlwm yooj yim nrog lub malimeter heev thaum lub relay yog nyob rau hauv qhov chaw. Rau kev xeem tag nrho, koj yuav tsum tshem tawm cov relay kom tsis txhob muaj lwm qhov ntawm koj lub Circuit Court.
Vim li cas kev caij tsheb muaj tsawg kawg thauj cov kev ntsuas?
Kev pub muaj kev thauj mus los tsawg kawg nkaus los khaws cov neeg huv thiab ntseeg tau. Yog tias koj siv tsawg dua qhov tsawg kawg nkaus, cov contacts yuav tsis kaw tag nrho lossis yuav tsim cov av, ua rau tsis muaj kev hloov pauv.
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