Indlela yokuxhumanisa yesisindo samakhanda amaningi

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Ngokuthuthuka kobuchwepheshe, isikali samakhanda amaningi sesibe yithuluzi elibalulekile ekuphathweni kwenqubo. , ohlelweni lokuhlanganisa ngokuzenzakalelayo lokuxuba nokusabalalisa izinto zokusetshenziswa ezahlukahlukene, ukuhlonza okuzenzakalelayo enqubweni yokukhiqiza kanye nokulawula inani lokuphakelwa kwempuphu, njll., kusetshenziswa isikali samakhanda amaningi. Kulesi sigaba, isikali samakhanda amaningi sisetshenziswa kakhulu kuzo zonke izikali zokulinganisa. Ngezansi ngizokunikeza isingeniso esiningiliziwe sendlela yokuxhuma yesisikali samakhanda amaningi. Indlela yokuxhuma yesisikali samakhanda amaningi: 1. Isikali samakhanda amaningi esijwayelekile siqukethe izintambo eziyisithupha.

Uma isofthiwe yesistimu yezintambo ezine ixhunyiwe, ipulagi yamandla (EXC-, EXC+) kanye nomugqa wempendulo (SEN-, SEN+) ziyafinyezwa. I-SEN+ kanye ne-SEN- zisetshenziselwa ukunxephezela ama-resistor esekethe yamandla. I-SEN+ kanye ne-EXC+ yizindlela, i-SEN- kanye ne-EXC- izindlela.

2. I-EXC+ kanye ne-EXC- zinikwa amandla yi-multihead weigher, kodwa ngenxa yokuthi umzila ophakathi kweseli yomthwalo kanye ne-sensor unqanyuliwe, i-voltage yokusebenza etholwe yi-sensor empeleni ingaphansi kwe-voltage yokunikezwa kwamandla. I-sensor ngayinye enesisindo inezici ze-mV/V, futhi ukusakazwa kwayo kwevidiyo okuphumayo kuhlobene eduze ne-voltage yokusebenza etholayo. I-SENS+ kanye ne-SENS-- empeleni ziyi-multihead weigher ku-circuit ye-impedance enesici esiphezulu, futhi i-sensor yomthwalo ingayamukela ngempela Impendulo ye-voltage yokusebenza ku-load cell. Uma sicabanga ukuthi i-EXC+ kanye ne-EXC- ziyi-10V, umzila uphelile, futhi i-sensor ingu-1mV/V. Eqinisweni, ukuphuma kwesignali enkulu yedatha ye-sensor kungu-()*2=19mV, hhayi u-50mV.

Ngalesi sikhathi, i-19mV iyibanga elikhulu le-multihead weigher, futhi isisekelo siwukuthi i-sensor kumele ibuyisele umbono we-voltage yokusebenza othize kuseli lomthwalo ngokuya nge-loop yokulawula impendulo. Ku-multihead weigher, i-EXC+ ne-SENS+ short, i-EXC- kanye ne-sens-short zixhunywe komunye nomunye, kuphela uma i-sensor iseduze neseli lomthwalo futhi umonakalo we-voltage yokusebenza umncane, ngaphandle kwalokho kuzoba namaphutha edatha. 3. Kunezinhlobo ezimbili zezindlela zokuqinisekisa i-multihead weigher: i-4-wire kanye ne-6-wire. Imojula yokulawula noma isokhethi ye-multihead weigher kanye nezinhlobo zayo ezimbili ze-4-wire kanye ne-6-wire, qala ukhiphe intambo uye ku-4 noma ku-6 bese ubheka imithethonqubo yakho yokucushwa kwehadiwe. Isimiso esiyisisekelo siwukuthi: i-sensor ingaba nezintambo ezi-6 esikhundleni sezintambo ezi-4, futhi kuyimpendulo emfushane necacile okufanele uqhamuke nezintambo ezi-4.

Okuqukethwe okungenhla kuyisingeniso esiningiliziwe sendlela yokuxhumanisa ye-multihead weigher. Kuhlelo lokulinganisa, kusetshenziswa izinzwa ezinezintambo ezine kakhulu. Impendulo enhle kanye nesikhuthazo esihle kwamukelwa ndawonye, ​​​​futhi impendulo embi kanye nesikhuthazo esibi kwamukelwa ndawonye. Into eyodwa okufanele uyiqaphele ngentambo kagesi ukuthi izimpawu zedatha yokukhipha ezibomvu nezimhlophe zihlukile ezinhlotsheni ezimbili zezinzwa.

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