Siyajabula ukuphendula noma imiphi imibuzo, sicela uthumele imibuzo yakho nama-oda.
I-RS-485 iyindinganiso kagesi kuphela. Ngokungafani namazinga okusebenzelana okugcwele, achaza ukucaciswa kokusebenza, komshini, kanye nogesi, i-RS-485 ichaza kuphela izici zikagesi zabashayeli nabamukeli abangasetshenziswa ukuze kusetshenziswe ulayini wokudlulisela we-multidrop olinganiselayo. Leli zinga, nokho, kuhloswe ngalo ukuthi kubhekiselwe kumazinga aphezulu, njenge-DL/T645, isibonelo, echaza umthetho olandelwayo wokuxhumana.
kumamitha wamandla kagesi e-China, ecacisa i-RS-485 njengezinga elijwayelekile lesendlalelo esibonakalayo.
1.Ukumelana nokushisa, ukumelana nelangabi
I-2.ukusebenza okuhle kakhulu kokufakwa, ukusebenza kwamakhemikhali okuzinzile
3.ukusebenza kahle kokudlulisa ngenxa yokusetshenziswa kwe-polyethylene yekhwalithi ephezulu yokuvikela ikhebula elilukiweyo
4.Ukumelana okuphumelelayo nokugxambukela kwe-electromagnetic ngenxa yokusetshenziswa kohlobo olusha lwe-aluminium foil, i-mesh yethusi ephothiweyo evikela izendlalelo ezimbili.
Izimpawu ze-RS-485 zisetshenziswa ezinhlobonhlobo zamakhompiyutha kanye nezinhlelo ezizenzakalelayo. Ohlelweni lwekhompiyutha, i-SCSI-2 ne-SCSI-3 ingasebenzisa lokhu kucaciswa ukuze kuqalise isendlalelo esibonakalayo sokudlulisa idatha phakathi kwesilawuli nedrayivu yediski. I-RS-485 isetshenziselwa ukuxhumana kwedatha enesivinini esiphansi emabhasini ezimoto zendiza yezindiza. Idinga izintambo ezincane futhi ingabelana ngezintambo phakathi kwezihlalo eziningi, kwehlise isisindo.
Inombolo yemodeli | KUSUKA(MM) | Ubude (m) | Ubukhulu bokumelana ne-conductor ku-20℃(Ω/KM) | Ukumelana ne-conductor okuncane ku-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 |
UMnu Herry
Ucingo/Wechat/Whatsapp:+8618123897029
Skype:sales09@aixton.com
UMnu James
Ucingo/Wechat/Whatsapp:+8618566291592
Skype:aixton05