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Unxibelelwano phakathi kwemodyuli yonxibelelwano ye-PLC kunye nekhompyutha yemizi-mveliso
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Unxibelelwano phakathi kwemodyuli yonxibelelwano ye-PLC kunye nekhompyutha yemizi-mveliso

2025-01-02 10:57:36

Kwicandelo langoku le-automation yemizi-mveliso, ii-PLC kunye neekhompyutha zemizi-mveliso zizinto ezimbini ezibalulekileyo nezibalulekileyo, kwaye ezi zimbini azinakwahlulwa. Ikhompyutha yemizi-mveliso isetyenziselwa imisebenzi yokujonga nokulawula idatha; intsebenziswano yezi zimbini inokuphucula kakhulu ukusebenza kakuhle kwemveliso. Ukusebenza kakuhle ukufezekisa imisebenzi enzima ye-automation.

Isiqulatho

1. Isishwankathelo sale nqaku:

Eli nqaku liza kuchaza indima yeemodyuli zonxibelelwano ze-PLC kunye nendlela ezi modyuli ezinokunxibelelana ngayo ngempumelelo kunye nokusebenzisana neekhompyutha zoshishino. Ngokuhlalutya imisebenzi, iintlobo kunye neenkqubo eziqhelekileyo zeemodyuli zonxibelelwano ze-PLCC ngokweenkcukacha, ungayiqonda ngakumbi indima yazo kwiinkqubo zokwenza izinto ngokuzenzekelayo zoshishino. , kunye nokuba lunjani ulwalamano phakathi kwezi zimbini.

2. Umsebenzi wemodyuli yonxibelelwano ye-PLC:

Imodyuli yonxibelelwano ye-PLC isetyenziselwa kakhulu ukufezekisa ulwandiso lwezakhono zokutshintshiselana ngedatha kunye nonxibelelwano. Izakhono ezithile ziquka ukutshintshiselana ngedatha ukuze kufezekiswe ukuhanjiswa kwedatha phakathi kwe-PLC kunye nezinye izixhobo ezifana neesensors, ii-actuators, ezinye ii-PLC kunye neekhompyutha zoshishino; ngeemodyuli ezahlukeneyo zonxibelelwano, i-PLC inokunxibelelana nezinye iintlobo zezixhobo ukuphucula ukuguquguquka kwenkqubo kunye nokukhula kwayo.

Iindlela zethu zonxibelelwano ze-PLC eziqhelekileyo zezi zilandelayo:

1. Imodyuli yonxibelelwano olulandelelanayo:

I-RS-232: Isetyenziswa rhoqo ekunxibelelaneni ukusuka kwindawo ukuya kwenye, ifanelekile ekudluliseleni idatha kwinqanaba eliphantsi
I-RS-485: ixhasa unxibelelwano olunamanqaku amaninzi, ifanelekile kunxibelelwano lwexesha elide ngezixhobo ezininzi, kwaye ifanelekile kakhulu kwiimeko zoshishino (ukuzenzekela kwezoshishino)

2. Imodyuli yonxibelelwano engenazingcingo:

Unxibelelwano olungenazingcingo nezinye izixhobo ze-PLC lunokufezekiswa ngetekhnoloji engenazingcingo ezifana ne-WiFi, kodwa ezo modyuli zonxibelelwano kufuneka zisetyenziswe kwiimeko zesicelo seselula.

3. Ubudlelwane phakathi kwemodyuli yonxibelelwano ye-PLC kunye nekhompyutha yemizi-mveliso:

Ukutshintshiselana kwedatha kubandakanya iinkalo ezimbini. Eyokuqala kukufunyanwa kwe-sensor. I-PLC ifumana idatha kwii-sensor ezahlukeneyo ngeemodyuli zonxibelelwano. Ezi datha ziquka kodwa azikhawulelwanga kubushushu, uxinzelelo, ukuhamba, njl.njl., ize emva koko i-PLC idlulisele ezi datha kwikhompyutha yemizi-mveliso ukuze ihlalutywe ngakumbi.

Ikhompyutha yemizi-mveliso emva koko ivelisa imiyalelo ehambelanayo ngokusekelwe kwidatha yesenzi efunyenweyo kunye nengqiqo esetwe kwangaphambili, eya kudluliselwa kwezinye iiyunithi zolawulo ngemodyuli yonxibelelwano ye-PLC ukuze yenze izenzo ezihambelanayo.

Ukusebenza kakuhle konxibelelwano kunye nokuthembeka phakathi kwemodyuli yonxibelelwano ye-PLC kunye nekhompyutha yemizi-mveliso kuya kuxhomekeka kwiprotocol yonxibelelwano. Kubalulekile ukukhetha iprotocol yonxibelelwano efanelekileyo. Iiprotocol zonxibelelwano eziqhelekileyo ziquka iModbus, iProfibus, iEthernet/IP, kunye neCANopen.

4. Ukuhlanganiswa kweenkqubo eziqinileyo ze-PLC kunye neekhompyutha zoshishino:

1. Ulawulo kunye nokubeka iliso ngexesha langempela

Ngemodyuli yonxibelelwano ye-PLC, ikhompyutha yemizi-mveliso inokubeka esweni kwaye ilawule iiparameter ezahlukeneyo kunye neemeko zenkqubo yemveliso ngexesha langempela. Oku kusebenza ngexesha langempela kubalulekile ekuqinisekiseni inkqubela phambili ethe tye yenkqubo yemveliso kunye nokuphendula kwiimeko ezingaqhelekanga ngexesha elifanelekileyo.

2. Ukurekhodwa kweDatha kunye noHlalutyo

Emva kokuba ikhompyutha yemizi-mveliso ifumene idatha kwi-PLC, inokurekhoda nokuhlalutya idatha. Le datha ayinakusetyenziselwa ukujonga ngexesha langempela kuphela, kodwa ikwasetyenziselwa nohlalutyo lwedatha yembali, ngaloo ndlela iphucula inkqubo yemveliso kwaye iphucule ukusebenza kakuhle kwemveliso.

3. Ulawulo olukude kunye nolawulo

Iikhompyutha zoshishino zinokulawula kwaye zilawule izixhobo ezikude ngokusebenzisa iimodyuli zonxibelelwano ze-PLC. Oku kubaluleke kakhulu kwiinkqubo zolawulo ezisasaziweyo kunye neemeko zesicelo ezifuna ukubekwa esweni nokulawulwa okukude.

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