Re thabela ho araba lipotso leha e le life, ka kopo romella lipotso le litaelo tsa hau.
RS-485 ke tekanyetso ea motlakase feela. Ho fapana le litekanyetso tse felletseng tsa sehokelo, tse hlalosang ts'ebetso, mochini le litlhaloso tsa motlakase, RS-485 e hlalosa feela litšobotsi tsa motlakase tsa bakhanni le ba amohelang tse ka sebelisoang ho kenya tšebetsong mohala o leka-lekaneng oa phetisetso ea li-multidrop. Tekanyetso ena, leha ho le joalo, e reretsoe ho buuoa ka litekanyetso tse phahameng, tse kang DL/T645, mohlala, e hlalosang protocol ea puisano.
bakeng sa limithara tsa matla a elektroniki naheng ea China, e totobatsang RS-485 e le maemo a 'mele.
1.Ho hanyetsa mocheso, ho thibela lelakabe
2.ts'ebetso e ntle ea ho kenya letsoho, ts'ebetso e tsitsitseng ea lik'hemik'hale
3. Ts'ebetso e ntle ea phetisetso ka lebaka la ts'ebeliso ea polyethylene ea boleng bo holimo bakeng sa tšireletso ea cable e lohiloeng
4.Ho hanyetsa ka katleho ho kena-kenana le motlakase ka lebaka la tšebeliso ea mofuta o mocha oa foil ea aluminium, mesh ea koporo e khabisitsoeng habeli e sireletsang.
Lipontšo tsa RS-485 li sebelisoa mefuteng e mengata ea likhomphutha le litsamaiso tse ikemetseng. Sistimi ea khomphutha, SCSI-2 le SCSI-3 li ka sebelisa tlhaloso ena ho kenya tšebetsong lera la 'mele bakeng sa phetiso ea data lipakeng tsa molaoli le disk drive. RS-485 e sebelisoa bakeng sa puisano ea data e lebelo le tlase libese tsa likoloi tsa likoloi tsa lifofane. E hloka wiring e fokolang mme e ka arolelana mohala pakeng tsa litulo tse ngata, ho fokotsa boima ba 'mele.
Mohlala NO | HO TLOHA(MM) | Bolelele (m) | Boholo ba khanyetso ea conductor ho 20℃(Ω/KM) | Bonyane khanyetso ea conductor ho 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 |
Mong Herry
Lengolo-tsoibila:sales11@aixton.com
Phone/Wechat/Whatsapp:+8618123897029
Skype:sales09@aixton.com
Mong James
Lengolo-tsoibila:sales05@aixton.com
Phone/Wechat/Whatsapp:+8618566291592
Skype:aixton05