Matou te fiafia e tali soʻo se fesili, faʻamolemole lafo mai au fesili ma faʻatonuga.
RS-485 o se fa'atonuga na'o le eletise. E le pei o faʻataʻitaʻiga faʻataʻitaʻiga atoa, lea e faʻamatalaina ai galuega, masini, ma eletise, RS-485 naʻo le faʻamalamalamaina o uiga eletise o avetaʻavale ma tagata e taliaina e mafai ona faʻaaogaina e faʻaogaina ai se laina paleni multidrop. O lenei tulaga, e ui i lea, o loʻo faʻamoemoe e faʻasino i tulaga maualuga maualuga, e pei ole DL/T645, mo se faʻataʻitaʻiga, lea e faʻamatalaina ai le fesoʻotaʻiga.
mo mita eletise eletise i Saina, faʻamaonia le RS-485 o le tulaga faʻavae faʻaletino.
1. Tete'e vevela, mumu mumu
2.excellent insulation fa'atinoga, fa'atinoga fa'atupu kemisi mautu
3. lelei tele fa'atinoga fa'asalalauga ona o le fa'aogaina o le polyethylene maualuga mo le fa'aluina uaea talipupuni
4.Effective teteʻe i le electromagnetic faʻalavelave ona o le faʻaaogaina o se ituaiga fou o le alumini pepa, faʻapipiʻi faʻamau apamemea faʻapipiʻi lua-laupapa talipupuni.
O fa'ailoga RS-485 o lo'o fa'aogaina i le tele o ituaiga komepiuta ma faiga fa'aautomatika. I totonu o se komipiuta, SCSI-2 ma SCSI-3 e mafai ona faʻaogaina lenei faʻamatalaga e faʻatino ai le faʻaogaina o le tino mo le tuʻuina atu o faʻamatalaga i le va o le pule ma le tisiki. RS-485 o lo'o fa'aogaina mo feso'ota'iga fa'amatalaga maualalo i va'alele fa'atau pasi. E mana'omia le la'ititi o uaea ma e mafai ona fa'asoa uaea i le va o nofoa e tele, fa'aitiitia ai le mamafa.
Fa'ata'ita'iga NO | MAI(MM) | Umi (m) | Maualuluga o le ta'avale tetee i le 20℃(Ω/KM) | La'ititi la'ititi o le ta'avale i le 70℃(Ω/KM) |
RS-485 2*0.5 | 5.5 | 100/200 | 39 | 0.012 |
RS-485 2*0.75 | 6.0 | 100/200 | 26 | 0.010 |
RS-485 2*1.0 | 6.6 | 100/200 | 19.5 | 0.010 |
RS-485 2*1.5 | 7.5 | 100/200 | 13.3 | 0.009 |
RS-485 2*2.5 | 8.7 | 100/200 | 7.98 | 0.008 |
RS-485 3*0.5 | 5.8 | 100/200 | 39 | 0.012 |
RS-485 3*0.75 | 6.3 | 100/200 | 26 | 0.010 |
Mr Herry
Telefoni/Wechat/Whatsapp:+8618123897029
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Mr James
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Skype:aixton05