Modbus RTU
Modbus RTU yarjejeniya ce ta sadarwa ta serial wacce ta dogara da hanyar haɗin hardware ta RS-485.
Yana amfani da lambar binary don ingantaccen aiki.
Matsakaicin ƙimar baud: 9600, 19200, 38400, 57600, 115200 bps.
Tsarin gine-ginen bawa na ubangida: ubangida ɗaya, bayi da yawa.
Nisa ta sadarwa: har zuwa mita 1200 (tare da mai maimaitawa na RS‑485).
Aikace-aikace na yau da kullun: kayan aikin filin, firikwensin, PLCs, mitar matakin, mitar kwarara.
Fa'idodi:
Wayoyi masu sauƙi, ƙarancin farashi
Barga a cikin yanayin masana'antu
Ana samun tallafi sosai daga kayan aikin masana'antu
Rashin amfani:
Nisa ta hanyar sadarwa kaɗan
Ƙarancin gudu idan aka kwatanta da Ethernet
Bai dace da manyan tsarin sadarwa ba
TCP na Modbus
Modbus TCP wani tsari ne na Modbus wanda ke tushen Ethernet wanda ke gudana akan TCP/IP.
Yana amfani da hanyar sadarwa ta Ethernet (RJ45) ta yau da kullun.
Sadarwa ta hanyar tashar TCP ta yau da kullun: 502.
Babban gudu, dogon nisa, kuma ana iya faɗaɗa shi ta hanyar maɓallan/na'urorin sadarwa.
Zai iya haɗa na'urori da yawa ta hanyar hanyar sadarwa.
Fa'idodi:
Babban saurin sadarwa
Nisan watsawa mai tsawo
Mai sauƙin haɗawa tare da kwamfutocin SCADA, DCS, da manyan kwamfutoci
Ya dace da manyan sikelin da kuma na nesa
Rashin amfani:
Babban farashin kayan aiki
Yana buƙatar saitin hanyar sadarwa (IP, subnet, ƙofar shiga)
Takaitaccen Kwatanta
Modbus RTU: Serial (RS485), ɗan gajeren lokaci, mai rahusa, ana amfani da shi sosai a cikin kayan aikin filin.
Modbus TCP: Ethernet, babban gudu, dogon nisa, ana amfani da shi a cikin hanyoyin sadarwa na masana'antu da manyan tsarin.
Lokacin Saƙo: Maris-17-2026