Isikhokelo soKhetho lweeMetha zamandla ze-RS485 zoLawulo lwaMandla eMizi-mveliso kunye noHlanganiso lwe-EMS

Intshayelelo

Izakhiwo zoshishino, izakhiwo zorhwebo, iinkqubo zelanga ze-PV, kunye neeprojekthi zokugcina amandla ebhetri zonke zixhomekeke kwidatha echanekileyo yamandla ukuphucula ukusebenza kakuhle kunye nokunciphisa iindleko zamandla. Ngenxa yoko, imitha yamandla ye-RS485 isahlala yenye yezona zixhobo zokubeka esweni ezisetyenziswa kakhulu kwiinkqubo zolawulo lwamandla zanamhlanje.

Nokuba ukhethaimitha yamandla i-RS485isisombululo somzi-mveliso, ukudibanisa imitha yamandla kunye nonxibelelwano lwe-RS485 Modbus kwiqonga le-EMS, okanye ukuvavanya imitha yamandla enamanqanaba amathathu kunye ne-RS485 yokujonga ilanga, ukukhetha imitha efanelekileyo kunokuchaphazela kakhulu ukusebenza kwenkqubo kunye nokukhula kwayo kwixesha elizayo.

Esi sikhokelo sichaza indlela yokuvavanya nokukhetha imitha yamandla ye-RS485 ngokusekelwe kwiimfuno zeprojekthi zoshishino nezorhwebo zehlabathi lokwenyani.

Kutheni iiProjekthi zeShishini zisakhetha iiMeter zamandla ze-RS485

Nangona amaqonga okubeka esweni asekelwe kwi-Ethernet kunye nelifu esanda kakhulu, i-RS485 iseyeyona ndlela ithembekileyo yonxibelelwano kwiindawo zoshishino.

Zininzi izinto ezibangela ukuba iqhubeke ithandwa:

Unxibelelwano Oluthembekileyo Kwiimeko Ezinzima

Izakhiwo zoshishino zihlala ziqulathe iimoto, iimpompo, iicompressor, kunye nee-variable-frequency drives ezivelisa ingxolo yombane. Iinethiwekhi ze-RS485 zenzelwe ukusebenza ngokuthembekileyo phantsi kwezi meko.

Unxibelelwano Olukude

Xa kuthelekiswa neendlela ezininzi zonxibelelwano ezingenazingcingo, i-RS485 ixhasa ukusetyenziswa kweentambo ixesha elide ngaphandle kokufuna izixhobo ezongezelelweyo zenethiwekhi.

Uthungelwano lweZixhobo ezininzi

Iimitha zamandla ezininzi ze-RS485 zinokunxibelelana kwinethiwekhi enye, nto leyo eyenza kube luncedo ekujongeni iisekethe ezininzi, iiphaneli, okanye izakhiwo.

Ukuhambelana kwe-Broad EMS kunye ne-PLC

Uninzi lwamaqonga e-EMS, ii-PLC, iinkqubo ze-BMS, kunye nesoftware ye-SCADA zixhasa unxibelelwano lwe-Modbus RTU ngeenethiwekhi ze-RS485.

Ngenxa yezi zizathu, imitha yamandla ye-RS485 iyaqhubeka nokuba lukhetho oluqhelekileyo kwiiprojekthi zokubeka esweni amandla emizi-mveliso kunye nolawulo lwamandla.

Indlela yokukhetha i-RS485 Energy Meter

Ngaphambi kokuba uthenge imitha yamandla ye-RS485, kubalulekile ukuqonda iimfuno zokubeka esweni kunye nokudibanisa iprojekthi.

Chonga inkqubo yombane

Imitha kufuneka ixhase inkqubo yombane esetyenziswa kwindawo:

• Isigaba esinye
• Isigaba sokwahlulwahlulwa
• Iintambo ezi-3 zeSigaba esiThathu
• Iintambo ezi-4 zeSigaba eSithathu

Iqonga lemitha eliguquguqukayo lenza kube lula ukusasazwa kwiiprojekthi ezahlukeneyo.

Misela iimfuno zonxibelelwano

Imitha yamandla yanamhlanje enonxibelelwano lwe-RS485 Modbus kufuneka ixhase ukuhlanganiswa kwayo:

• I-EMS
• I-BMS
• I-PLC
• I-SCADA
• Amasango emizi-mveliso

Ezinye iiprojekthi zinokufuna:

• I-Modbus TCP
• i-Ethernet
• I-MQTT
• I-HTTP API

Ukukhetha imitha eneendlela ezininzi zonxibelelwano kunokunciphisa iindleko zokuphucula kwixesha elizayo.

Vavanya iiMfuno zokuBek' esweni eziBini

Kwi-solar PV kunye neenkqubo zokugcina amandla, imitha kufuneka ixhase:

• Ukungenisa iGridi
• Ukuthunyelwa ngaphandle kweGrid
• Ukusetyenziswa kwamandla
• Ukuveliswa kwelanga

Ukubeka iliso kwicala ngalinye kubaluleke ngakumbi kuhlalutyo lokuzisebenzisa ngokwakho kunye namaqhinga okunciphisa ukuthunyelwa kwamanye amazwe.

Imitha yamandla e-CT Clamp vs imitha yamandla eqhagamshelwe ngqo

Omnye wemibuzo edla ngokukhethwa kukuba ukhethe imitha yamandla ye-CT clamp okanye imitha eqhagamshelwe ngqo.

Imitha yamandla eClamp ye-CT

Imitha yamandla e-CT clamp isebenzisa ii-transformers zangaphandle ukulinganisa umsinga wombane ngaphandle kokukhupha ii-conductors ezikhoyo.

Iingenelo ziquka:

• Ukufakwa ngokukhawuleza
• Ixesha lokungasebenzi elincitshisiweyo
• Ukufakwa okulula kokulungiswa kwakhona
• Inkxaso yezicelo zamandla aphezulu
• Ukuphazamiseka okuncinci kwimisebenzi yesikhungo

Kwiiprojekthi zoshishino nezorhwebo, iimitha zamandla ze-CT clamp zihlala zikhethwa kuba ukufakelwa kunokugqitywa ngaphandle kotshintsho olukhulu kwiziseko zombane ezikhoyo.

Imitha yamandla eqhagamshelwe ngqo

Umzila wamanzi weemitha oqhagamshelwe ngqo ngqo ngemitha ngokwayo.

Ezi zixhobo zingafaneleka kwiizicelo ezisebenzisa amandla aphantsi kodwa ngokubanzi aziguquguquki kangako xa kufakelwa izixhobo ezintsha.

Iimpawu ezibalulekileyo ekufuneka uzijonge kwiMitha yamandla yeSigaba esi-3 eneRS485

Xa kuvavanywaImitha yamandla yesigaba esi-3 ene-RS485, iimpawu ezininzi zifanelwe yingqwalasela ekhethekileyo.

Imisebenzi yokulinganisa

Imitha yombane yobungcali ene-RS485 kufuneka ibonelele:

• I-Voltage
• Okwangoku
• Izihlandlo
• Amandla
• Amandla Asebenzayo
• Amandla Okusebenza
• Amandla Abonakalayo
• Ukusetyenziswa kwamandla

Ukuguquguquka konxibelelwano

Iiprojekthi ezininzi zoshishino ngoku zifuna okungaphezulu kunemitha yamandla yesiqhelo yeModbus RS485.

Khangela iimitha ezixhasa:

• I-RS485 (iModbus RTU)
• I-Modbus TCP
• i-Ethernet
• I-MQTT
• I-HTTP API

Ezi ndlela zonxibelelwano zibonelela ngokuguquguquka okukhulu kokudibanisa.

Ukuchaneka kwedatha

Idatha echanekileyo ibalulekile ekwenzeni ngcono amandla, ukunika ingxelo, kunye nokufaka izicelo zokuhlawulisa.

Qinisekisa:

• Ukuchaneka kweVoltage
• Ukuchaneka kwangoku
• Ukuchaneka kwe-CT
• Iinkcukacha zokulinganisa

Ukukhula Kwexesha Elizayo

Iiprojekthi ezininzi ziqala ngokubeka esweni okusisiseko kwaye kamva zandise ukuhlanganiswa kwe-EMS, ukubeka esweni ilanga, okanye ukunika ingxelo esekelwe kwilifu.

Ukukhetha iqonga elinokwandiswa kunceda ukuphepha ukutshintshwa kwezixhobo kwixesha elizayo.

I-Modbus RTU vs i-Modbus TCP yeeProjekthi zokuJonga amandla

Umbuzo oqhelekileyo xa ukhetha imitha yamandla yeModbus RS485 kukuba ingaba iModbus RTU okanye iModbus TCP lolona khetho lungcono na.

I-Modbus RTU

Iingenelo:

• Ixabiso eliphantsi lokusasazwa
• Ukhuseleko olugqwesileyo lwengxolo
• Umgama omde wonxibelelwano
• Inkxaso ebanzi yemizi-mveliso

Eyona ifanelekileyo kwi:

• Izibonelelo zoshishino
• Iiphaneli zombane
• Udibaniso lwe-PLC
• Iinethiwekhi ze-RS485 ezikhoyo

I-Modbus TCP

Iingenelo:

• Unxibelelwano olukhawulezayo
• Uthungelwano olusekelwe kwi-Ethernet
• Ukudibanisa okulula namaqonga anamhlanje e-EMS

Eyona ifanelekileyo kwi:

• Izakhiwo zorhwebo
• Ukuthunyelwa kwe-EMS yeShishini
• Iinkqubo zokubeka esweni eziqhagamshelwe kwilifu

Iiprojekthi ezininzi zanamhlanje zisebenzisa zombini ezi teknoloji ngaxeshanye ukudibanisa ukuthembeka kwinqanaba lentsimi kunye nokuguquguquka kwinqanaba lenethiwekhi.

Ukusetyenziswa okuqhelekileyo kwee-RS485 Energy Meters

Ukubeka iliso kuMandla eMizi-mveliso

Jonga iimoto, iimpompo, iicompressor, izixhobo ze-HVAC, kunye noomatshini bokuvelisa.

Iinkqubo zoLawulo lwaMandla (i-EMS)

Nika idatha yamandla ngexesha langempela ukuze kunikwe ingxelo, kulinganiswe, kulawulwe imfuno, kwaye kuphuculwe.

Iinkqubo zoLawulo lweZakhiwo (i-BMS)

Hlanganisa imilinganiselo yombane kwiiplatfomu zezakhiwo ezizenzekelayo.

Ukubeka iliso kwi-PV yelanga

Landelela ukuveliswa kwamandla elanga, ukusetyenziswa kwezixhobo, kunye nokuhamba kwamandla okungenisa/ukuthumela ngaphandle kwegridi yezixhobo.

Iinkqubo zokugcina amandla ebhetri (ESS)

Jonga ukusebenza kokutshaja, ukukhupha, kunye nokulinganisela amandla.

Umlinganiselo ongaphantsi wezinto ezisetyenziswayo

Xhasa ukuhlawuliswa kwabaqeshi, ukwabiwa kwamandla kwisebe, kunye neenkqubo zokuphucula ukusebenza kakuhle.

Umzekelo: Ukukhetha iMitha yoMbane eneRS485 yoHlanganiso lwe-EMS

Cinga ngesakhiwo sokuvelisa esifuna ukujonga imithwalo emininzi yezigaba ezintathu ngelixa sidibanisa idatha yamandla kwiqonga le-EMS.

Iimfuno zeprojekthi ziquka:

• Ukubeka esweni kwamanqanaba amathathu
• Ukufakwa kwe-CT clamp
• Unxibelelwano lwe-Modbus RTU
• Ukuhlanganiswa kweTCP yeModbus yexesha elizayo
• Inkxaso yokujonga ilanga

Kule meko, imitha yamandla enonxibelelwano lwe-RS485 kunye neendlela ezininzi zeprotocol inika ukuguquguquka okukhulu kwexesha elide.

Iimveliso ezifana neI-OWON PC4713ukudibanisa umlinganiselo we-CT clamp, unxibelelwano lwe-RS485, i-Modbus RTU, i-Modbus TCP, kunye nokubeka esweni amandla ajikelezayo. Olu lwakhiwo lwenza kube lula ukuhlanganiswa namaqonga e-EMS, iinkqubo ze-solar PV, iinkqubo zokugcina amandla, iinethiwekhi zokwenza izinto ngokuzenzekelayo kwimizi-mveliso, kunye neenkqubo zolawulo lwezakhiwo.

Izakhono eziphambili ze-OWON PC4713

Ezi zakhono zenza i-PC4713 ifaneleke ekubekweni kweliso kwamandla kwimizi-mveliso, ukuhlanganiswa kwe-EMS, iinkqubo ze-PV zelanga, iiprojekthi zokugcina amandla ebhetri, ukulinganisa izixhobo ezisetyenziswayo, kunye nezicelo zokunciphisa ukuthumela ngaphandle. Kwimibutho efuna imitha yamandla enonxibelelwano lwe-RS485 Modbus kunye neendlela zokudibanisa eziguquguqukayo, ibonelela ngokulinganisela okusebenzayo phakathi kokulula kokufakela, ukuguquguquka konxibelelwano, kunye nokukhula kwexesha elide.

FAQ

Yintoni imitha yamandla ye-RS485?

Imitha yamandla ye-RS485 ilinganisa iiparameter zombane kwaye idlulisa idatha ngenethiwekhi ye-RS485, ngokuqhelekileyo isebenzisa i-Modbus RTU yokudibanisa i-EMS, i-BMS, i-PLC, kunye ne-SCADA.

Yintoni umahluko phakathi kweModbus RTU kunye neModbus TCP?

I-Modbus RTU isebenzisa unxibelelwano lwe-RS485, ngelixa i-Modbus TCP isebenza kwiinethiwekhi ze-Ethernet. Zombini zisetyenziswa kakhulu ekujongeni amandla emizi-mveliso.

Kutheni i-RS485 isetyenziswa kakhulu kwiiprojekthi ze-EMS?

I-RS485 inika unxibelelwano oluthembekileyo olukude, ukhuseleko oluqinileyo lwengxolo, kunye nokuhambelana ngokubanzi neenkqubo zolawulo lwemizi-mveliso.

Ngaba imitha yamandla ye-RS485 ingasetyenziselwa ukujonga amandla elanga?

Ewe. Iimitha ezininzi zamandla ze-RS485 zixhasa ukujonga iliso kwicala ngalinye, okuvumela abasebenzisi ukuba balandelele zombini ukuvela kwamandla elanga kunye nokuhamba kwamandla okungenisa/ukuthumela ngaphandle kwegridi.

Ndingayikhetha njani imitha yamandla yesigaba sesithathu i-RS485?

Cinga ngokuhambelana kwenkqubo yombane, ukhetho lwe-CT clamp, iiprotokholi zonxibelelwano, amandla okubeka esweni amacandelo amabini, kunye neemfuno zokudibanisa kwixesha elizayo ngaphambi kokuba ukhethe.

Isiphelo

Ukukhetha imitha yamandla ye-RS485 efanelekileyo akupheleli nje ekulinganiseni ukusetyenziswa kombane. Imitha kufuneka ihambelane noyilo lonxibelelwano lweprojekthi, inkqubo yombane, kunye neemfuno zokudibanisa kwixesha elizayo.

Kwindlela yokubeka esweni amandla emizi-mveliso, amaqonga e-EMS, iinkqubo ze-PV zelanga, kunye neeprojekthi zokugcina amandla, izinto ezinje ngokufakelwa kwe-CT clamp, unxibelelwano lweModbus, ukubeka esweni i-bidirectional, kunye nokuguquguquka kweprotocol zonke kufuneka zihlolwe ngexesha lenkqubo yokukhetha.

Njengoko izakhiwo zoshishino ziqhubeka nokwenza ulawulo lwamandla lube yidijithali, iimitha zamandla ze-RS485 zihlala zisisiseko esithembekileyo sokuqokelela idatha yamandla echanekileyo kunye nokuxhasa ukusebenza kakuhle kwexesha elide.

Kwiiprojekthi ezifuna ukulinganiswa kwe-CT clamp, iModbus RTU, iModbus TCP, kunye nobuchule bokudibanisa i-EMS, izisombululo ezifana ne-OWON PC4713 zibonelela ngeqonga eliguquguqukayo lezicelo zokubeka esweni amandla orhwebo kunye noshishino.

Ukufunda okunxulumene noko:

[Isikhokelo soKhetho lweeMetha zamandla eModbus zeZicelo zeLanga, ze-EMS nezeMizi-mveliso]