Muna farin cikin amsa kowace tambaya, da fatan za a aiko da tambayoyinku da odar ku.
RS-485 mizanin lantarki ne kawai. Ba kamar cikakken ƙa'idodin mu'amala ba, waɗanda ke ayyana ƙayyadaddun ayyuka, inji, da na lantarki, RS-485 kawai ke bayyana halayen lantarki na direbobi da masu karɓa waɗanda za a iya amfani da su don aiwatar da daidaitaccen layin watsa multidrop. Wannan ma'auni, duk da haka, an yi niyya don yin nuni da ma'auni mafi girma, kamar DL/T645, alal misali, wanda ke bayyana ƙa'idar sadarwa.
don mita makamashi na lantarki a kasar Sin, yana ƙayyade RS-485 a matsayin ma'auni na jiki.
1.Mai juriya da zafi, mai hana wuta
2.excelent rufi yi, barga sinadaran yi
3.excelent watsa aikin saboda amfani da babban ingancin polyethylene don braided na USB garkuwa
4.Effective juriya ga electromagnetic tsangwama saboda yin amfani da wani sabon nau'i na aluminum foil, braided jan karfe raga biyu-Layer garkuwa.
Ana amfani da siginar RS-485 a cikin kewayon kwamfuta da tsarin sarrafa kansa. A cikin tsarin kwamfuta, SCSI-2 da SCSI-3 za su iya amfani da wannan ƙayyadaddun don aiwatar da Layer na zahiri don watsa bayanai tsakanin mai sarrafawa da faifan diski. Ana amfani da RS-485 don sadarwar bayanai mai sauƙi a cikin motocin motocin haya na jirgin sama. Yana buƙatar ƙarancin wayoyi kuma yana iya raba wayoyi tsakanin kujeru da yawa, rage nauyi.
Samfurin NO | DAGA (MM) | Tsawon (m) | Matsakaicin juriya na jagora a cikin 20 ℃(Ω/KM) | Mafi qarancin juriya a cikin 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
Waya/Wechat/Whatsapp:+8618123897029
Skype:sales09@aixton.com
Mr James
Waya/Wechat/Whatsapp:+8618566291592
Skype: aixton05