Isisindo se-Multihead esihlanganiswe nesilawuli se-logic esihleliwe

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Izikali ze-multihead zisetshenziswa kakhulu emigqeni yokukhiqiza ezenzakalelayo yokupakisha. Ama-conveyor ahlukahlukene, imishini yokushaja, ama-stacker kanye neminye imishini ifakiwe emgqeni wokukhiqiza. Imishini eyinhloko elawulwa yiwo wonke umugqa wokukhiqiza iyisilawuli se-logic esihleliwe (i-PLC). I-multihead weiger ihlanganiswe emgqeni wokukhiqiza onjalo. Ngaphezu kokuqeda imisebenzi yayo yomsebenzi, yamukela nokulawulwa kwe-PLC njengeminye imishini emgqeni wokukhiqiza.

Ngakho-ke ukuxhumana ne-PLC (kufaka phakathi uhlelo lokuthola idatha) ngumsebenzi oyinhloko wokuxhumana we-multihead weigher. Umenzi we-multihead weigher uklame i-interface ne-PLC ngefomethi efanayo, evumela ukuxhumana okungenamthungo ohlelweni lwe-PLC. Uma i-multihead weigher isihlanganisiwe ne-PLC, i-multihead weigher ingaqashwa futhi idatha iqoqwe nge-PLC.

Isikali samakhanda amaningi siya ngokuya siba yidivayisi yokufaka kanye nendlela yokuphendula yokulawula inqubo ephelele yezibalo (i-SPC). Singadlulisela idatha yesisindo noma sibe nemisebenzi efana nezibalo, ukuphathwa kokukhiqiza, kanye nokuguqulwa komkhiqizo. Njengamanje, ukuxhumana phakathi kwesikali samakhanda amaningi kanye ne-PLC kufaka phakathi i-Modbus TCP, i-MODBUS RTU, i-Profi-bus DP, i-Ethernet IP, i-Device Net, i-Control Net, i-OPC, njll., eseyindinganiso embonini yokukhiqiza nokupakisha. Ngalezi zikhombisi-ndlela eziya ku-PLC, kufaka phakathi iziteshi ze-PLC ezikude, isikali samakhanda amaningi singaxhunywa ohlelweni lokuphathwa kwenqubo yokukhiqiza.

Ngokuvamile, lapho kukhethwa imishini, umenzi wesikali samakhanda amaningi kufanele abuze izinhlobo zesibonisi se-PLC kanye nemithetho yesibonisi esingakhethwa yisikali samakhanda amaningi, futhi ethule uhlelo ukuze kufezwe ukuhlanganiswa okuyisisekelo ngokuningiliziwe. Ukuhlanganiswa ne-PLC kufanele kuqale kudatha eyisisekelo yokukala kuya ekulayishweni nasekulandweni kwedatha eyinkimbinkimbi, kuyilapho ngesikhathi esifanayo kufanele kukwazi ukunikeza izinga eliphezulu lokuzenzakalela. Isikali samakhanda amaningi kufanele sikwazi ukudlulisa idatha yemiphumela yokukhiqiza efana nalokhu: inani eliphelele, inani lemikhiqizo ehambisanayo, inani lemikhiqizo engahambisani, isisindo sokuhlukanisa amaphakethe, isilinganiso, kanye nokuphambuka okujwayelekile kwemisebenzi yokukhiqiza. Isixazululo sokuxhumana esinamandla kakhulu singasetshenziswa kusuka ku-PLC Yenza ukuphathwa komkhiqizo okude kanye nokushintsha komkhiqizo.

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