Ziziphi iimfuno ezikhethekileyo zeentambo zeProfinet?

I-Profinet yiprotocol yonxibelelwano lwemizi-mveliso esekwe kwi-Ethernet, esetyenziswa kakhulu kwiinkqubo zolawulo lwe-automation, iimfuno ezikhethekileyo zekhebula le-Profinet zigxile kakhulu kwiimpawu zomzimba, ukusebenza kombane, ukulungelelaniswa kwendalo kunye neemfuno zokufakela. Eli nqaku liza kugxila kwikhebula le-Profinet ukuze kuhlalutywe ngokweenkcukacha.

I. Iimpawu zomzimba

1, uhlobo lwentambo

I-Shielded Twisted Pair (STP/FTP): I-Shielded Twisted Pair iyacetyiswa ukunciphisa ukuphazamiseka kwe-electromagnetic (EMI) kunye nokuthetha ngokulandelelana. I-Shielded twisted pair inokuthintela ngempumelelo ukuphazamiseka kwe-electromagnetic yangaphandle kwaye iphucule uzinzo kunye nokuthembeka kokudluliselwa kwesignali.

I-Unshielded Twisted Pair (UTP): I-Unshielded Twisted Pair ingasetyenziswa kwiindawo apho kungekho kuphazamiseka kwe-electromagnetic, kodwa ayikhuthazwa ukuba isetyenziswe kwiindawo zoshishino.

2, isakhiwo sentambo

Iintambo ezine ze-twist-pair: Intambo yeProfinet idla ngokuba neentambo ezine ze-twist-pair, intambo nganye yenziwe ngeentambo ezimbini zokudlulisela idatha kunye nombane (ukuba kuyimfuneko).

Ububanzi beNtambo: Iidayamitha zentambo zihlala ziyi-22 AWG, 24 AWG, okanye 26 AWG, kuxhomekeke kumgama wokudluliselwa kunye neemfuno zamandla esignali. I-24 AWG ifanelekile kumgama wokudluliselwa omde, kwaye i-26 AWG ifanelekile kumgama omfutshane.

3, Isinxibelelanisi

Isixhumi se-RJ45: Iintambo zeProfinet zisebenzisa izixhumi ze-RJ45 eziqhelekileyo ukuqinisekisa ukuba ziyahambelana nezixhobo zeProfinet.

Indlela Yokutshixa: Kucetyiswa ukuba izihlanganisi ze-RJ45 ezinendlela yokutshixa zisetyenziswe kwiindawo zoshishino ukuthintela uqhagamshelo olukhululekileyo nokuqinisekisa ukuthembeka koqhagamshelo.

Okwesibini, ukuziqhelanisa nokusingqongileyo

1, Uluhlu lobushushu

Uyilo lobushushu obubanzi: Intambo yeProfinet kufuneka ikwazi ukusebenza kakuhle kubushushu obubanzi, ngokuqhelekileyo ifuneka ukuxhasa ubushushu obuphakathi kwe--40 ° C ukuya kwi-70 ° C.

2, inqanaba loKhuseleko

Inqanaba eliphezulu lokhuseleko: Khetha iintambo ezinenqanaba eliphezulu lokhuseleko (umz. IP67) ukuthintela ukungena kothuli nomphunga wamanzi kwiindawo zoshishino ezinzima.

3, Ukungcangcazela kunye nokumelana nomothuko

Amandla oomatshini: Iintambo zeProfinet kufuneka zibe nokungcangcazela okuhle kunye nokumelana nokungcangcazela, zilungele ukungcangcazela kunye nendawo yokungcangcazela.

4, ukumelana neekhemikhali

Ukumelana neoyile, iasidi kunye nealkali: Khetha iintambo ezinokumelana neekhemikhali ezifana nokumelana neoyile, iasidi kunye nealkali ukuze zilungele iimeko ezahlukeneyo zoshishino.

III. Iimfuneko zoFakelo

1, indlela yocingo

Kuphephe ukuphazamiseka kombane okunamandla: kwiingcingo kufuneka uzame ukuphepha ukufakwa ngaxeshanye ngemigca yombane enamandla aphezulu, iimoto kunye nezinye izixhobo zombane eziqinileyo ukunciphisa ukuphazamiseka kombane.

Uyilo olufanelekileyo: Ucwangciso olufanelekileyo lwendlela yocingo, ukuze kuthintelwe ukugoba okanye uxinzelelo olugqithisileyo kwintambo, ukuqinisekisa ukuthembeka okubonakalayo kwentambo.

2, indlela yokulungisa

Isibiyeli esizinzileyo: Sebenzisa isibiyeli esizinzileyo kunye nesifakelo esifanelekileyo ukuqinisekisa ukuba intambo iqinile ukuthintela ukungcangcazela okanye intshukumo ebangelwa kukunxibelelana okukhululekileyo.

Itshaneli yocingo kunye nombhobho: Kwiindawo ezintsonkothileyo, kucetyiswa ukusebenzisa itshaneli yocingo okanye umbhobho ukukhusela iintambo ukuthintela umonakalo woomatshini kunye nempembelelo yokusingqongileyo.

IV. Isiqinisekiso kunye nemigangatho

1, imigangatho yokuthobela imithetho

I-IEC 61158: Iintambo zeProfinet mazihambelane nemigangatho yeKhomishini ye-International Electrotechnical Commission (IEC), efana ne-IEC 61158.

Imodeli ye-ISO/OSI: Iintambo zeProfinet kufuneka zihambelane nemigangatho yomaleko obonakalayo kunye nemigangatho yomaleko wekhonkco ledatha yemodeli ye-ISO/OSI.

V. Indlela yokukhetha

1. Uvavanyo lweemfuno zesicelo

Umgama wokudlulisa: Ngokwendlela yokusetyenziswa komgama wokudlulisa, ukukhetha uhlobo olufanelekileyo lwentambo. Umgama omfutshane wokudlulisa unokukhetha intambo ye-24 AWG, umgama omde wokudlulisa uyacetyiswa ukuba ukhethe intambo ye-22 AWG.

Iimeko zendalo: Khetha intambo efanelekileyo ngokweqondo lobushushu, ukufuma, ukungcangcazela kunye nezinye izinto ezikwindawo yokufakela. Umzekelo, khetha intambo engangeni bushushu obuphezulu kwindawo yobushushu obuphezulu kunye nentambo engangeni manzi kwindawo efumileyo.

2, khetha uhlobo olufanelekileyo lwentambo

Intambo ejijekileyo ekhuselweyo: Intambo ejijekileyo ekhuselweyo ecetyiswayo ukuba isetyenziswe kwiindawo ezininzi zoshishino ukunciphisa ukuphazamiseka kwe-electromagnetic kunye nokuthetha ngokudibeneyo.

Intambo ye-twisted-pair engatshixwanga: kuphela kwimeko-bume yokuphazamiseka kwe-electromagnetic, incinci kakhulu ukuba ingasetyenziswa kwintambo ye-twisted-pair engatshixwanga.

3, cinga ngokuziqhelanisa nokusingqongileyo

Uluhlu lobushushu, inqanaba lokhuseleko, ukungcangcazela kunye nokumelana nomothuko, ukumelana neekhemikhali: khetha iintambo ezinokusebenza ngokuzinzileyo kwindawo yokusetyenziswa kwayo.