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Modbus mar tudruok: Gima duong’ mar gero tudruok maongee ng’wech
Weche manyien

Modbus mar tudruok: Gima duong’ mar gero tudruok maongee ng’wech

dwe mar 2024

Modbus mar tudruok: Gima duong’ mar gero tudruok maongee ng’wech

Neno malong'o

Modbus en yo ma ji mang’eny tiyogo e weche mag loso gikmoko, ma ne olosi e higa mar 1979 mondo oket tudruok e kind gik ma tiyo gi masin. Modbus ne otigodo e chakruok kaka yo ma itiyogo mar oro weche kokalo kuom ng’injo ma luwore, kendo sani bende inyalo medore mondo otigodo kokalo kuom puonj ma luwore, TCP/IP, kod puonj ma luwore gi ng’injo (UDP). Oboke ni chiwo ler matut mar kaka itiyo gi protokol.Picha 4kdn

Ang’o ma en chenro mar Modbus?

Modbus en chenro mar dwoko kwayo ma itiyogo kokalo kuom winjruok e kind jalo kod jatich. E winjruok mar ruoth kod jatich, kinde duto tudruok timore e kind ji ariyo ariyo (gimoro nyaka chak kwayo moro kae to orit dwoko), kendo gimoro ma kwayo (gimoro maduong’) en ema nigi ting’ mar chako tudruok ka tudruok. Kaka pile, gino ma ng’ato tiyogo en gino ma ng’ato tiyogo gi masin (HMI) kata gino ma ng’ato nyalo ng’iyogo kendo yudo weche (SCADA), to gino ma luwogi gin gik ma ng’ato nyalo ng’eyogo gik ma ng’ato nyalo ng’eyo (plcs), kata gik ma nyalo rito gik ma timore giwegi (PAC). Gik ma ni e kwayo kod dwoko ma kamago, kaachiel gi ng’injo mar mbui ma oro ote ma kamago, oler gi ng’injo mopogore opogore mag protokol.


Picha 5skz

En gige tich mage ma nyalo konyo Modbus?


Protokol mar Modbus ochung'ne ahinya gi gige tich, koriwo gigo manyalo keto program mag logic (PLCs), gigo matiyo mabor (RTUs), gigo mawinjo weche, gigo matiyo gi masinde, gigo manyalo tudruok e kind dhano (HMIs), kod gikmoko mathoth e kar loso gikmoko e kar loso gikmoko kod kuonde mag loso gikmoko. Dipatmen mar rito gik ma itimo. Modbus itiyogo ahinya kendo osebedo yo ma adier mar tiyo kanyakla e kind gik ma olosi gi joma loso gik mopogore opogore e weche kaka loso gikmoko, teko, tero gikmoko, kod loso gikmoko giwegi.

 

Rangach mar Modbus en gino ma loko yo mar tudruok ma itiyogo gi mbui mag mbui mag mbui. Owuoyo gi gige rieko, ochoko weche ma wuok kuom gige rieko ma piny kendo oorogi nyaka e rangach mar Modbus, oketo tudruok gi mbui mar kompyuta ma malo, kendo otimo protokol mar Modbus gi kompyuta ma nigi mbui.


Yor tudruok mar Modbus


Modbus nigi yore adek madongo mag tudruok:

lRTU (Gik mabor)

lASCII (Kod mapile mar Amerka mar loko weche)

lTCP/IP (Yor Rieko mar Oro Oboke/Yor Intanet)


E chenro mar Modbus, TCP mar Modbus kod RTU mar Modbus gin yore ariyo ma ji mang’eny tiyogo e tudruok. Kata obedo ni gin duto olosi mondo okony loso data e kind gik moko, nitie pogruok moko madongo e yore ma itiyogo kod gik ma itiyogo.


Yore mag tudruok kod ng’wech


Modbus TCP tiyo kod stek mar protokol mar TCP/IP mar oro weche e mbui, ka ogeno kuom mbui kaka Ethernet mondo ochop oro weche mapiyo kendo madongo.

To Modbus RTU to oro weche kokalo kuom laini ma luwore kaka RS-485 kod RS-232, ma nigi ng’wech matin ahinya mar oro weche. Oboke mar data kod gik matimore.

 

Modbus RTU keto frem mag data e kit kwan matindo, ma oting’o kuonde mag adres, kod mag tich, weche, kod kuonde mag ng’iyo. Fomat ni ioro maber e yor ariyo, ma miyo obedo maber ahinya ne tiyo gi yore mag rito gik moko e kinde ma adier kata e alwora, ahinya ahinya e alwora ma onge gik ma nyalo konyo e loso mbui, kaka kuonde ma loso gik moko giwegi, sistem ma iketo, mbui mag sensa, kod sistem matin mag rito mbui.

Modbus TCP, e yo machielo, loko bait ka bait mar data ma nigi namba ariyo ma ok lokre, ma bang’e iketo kanyachiel kendo ioro e kit kod mar TCP. Nikech yot, geno, kod pesa mang'eny, itiyogo ahinya e sistem madongo mag otomatik, kuonde data, otomatik mag udi, kod Intanet mar Gik Moko, ma dwaro thuolo mabor mar tudruok kod dwaro maduong' mar kinde mar adier kod bedo motegno mar oro data.


Akar tiyo


E tich mar loso gikmoko, Modbus itiyogo mar tudruok gi gige loso gikmoko mopogore opogore kendo yudo ng’iyo kendo rito kaka gikmoko timore e kinde ma adier; E weche mag teko, itiyo kode e rito sistem mag teko ma ok otimre giwegi, moriwo nyaka loso teko, tero, kod keto teko; E tich mar ng’iewo gikmoko, Modbus itiyogo e keto ranyisi mag ng’iewo gikmoko e boma, luwo chal mar gari, kod mamoko; E weche mag loso gik moko giwegi, Modbus itiyogo e loso gik ma nyalo miyo ng’ato obed gi nyalo mar ng’ado yamo, ler, kod gik ma rito gik moko e udi.

 

Kaluwore gi dongruok mar Intanet mar ng’iepo kod teknoloji mar Intanet mar Gik Motudore gi Gik Motudore, Modbus bende siko ka loso gik manyien kendo loso gik manyien mondo owinjore gi gik ma ng’ato timo e ng’iepo ma ng’eny kendo ma lokore. Kuom ranyisi, Modbus/TCP osebedo ka bedo yo maduong’ ahinya e tudruok mag Ethernet mag ng’wech, kendo gige tich mag ng’ado dhoot ma luwore gi Modbus miyo gige tich machon mag Modbus nyalo tudruok mayot gi mbui mag ndalogi, ma miyo inyalo kano kendo nono weche e polo.

 

E yo machuok, Modbus, kaka yo matut kendo ma itiyogo ahinya mar tudruok e weche mag tich, oseneno dongruok mar teknoloji mar loso gik moko giwegi kendo oseketo fundament motegno mar rieko mag tich e kinde mabiro. Ka ng’ato dhi nyime gi dongruok mar teknolojia, Modbus biro dhi nyime bedo gi tich maduong’ e tero gik manyien kod lokruok e sekta mar tich .kata.