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Zalman ZM-MFC1 multi-fan kontroler
03.01.2005.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Vladimir Grgić 
- Uvod -

Zimsko vrijeme je već na putu i uskoro će snijeg ali to ne znači da su vaše nabrijane kutije hladne (a ni tihe). Tvrtka Zalman ponudila je riješenje za gore navedene probleme u obliku uređaja za regulaciju brzine okretaja ventilatora. Svojim oblikom i dizajnom podsjeća na uređaje iz 80-tih i 90-tih, a sličan takav je bio i u Mad Maxovom Interceptor vozilu. Uređaj je zbog toga prepun raznih prekidača, ledica i potenciometara a ima i velike mogućnosti različitih konfiguracija hlađenja, bar na papiru. Da li je zaista tako, pročitajte u našem članku.

Sve se vidi i sve se zna

Zalman se ovog puta odlučio za neobičan dizajn koji ne skriva gotovo ništa za razliku od ostalih magičnih kutija gdje je sve u zatvorenom. Tako je prednja strana uređaja prozirno plave boje. Prednji se dio uz svoju prozirnost može pohvaliti i velikim brojem prekidača, ledica i potenciometarskih glava. Četiri metalne glave kontroliraju četiri kanala, dok dva 3-way prekidača kontroliraju ostala dva kanala. Potenciometarske glave se okreću oko 3/4 cijelog kruga i specificirane su tako da mijenjaju naponski raspon od 6.5 volti (testovi su pokazali da je realan rezultat ipak malo manji).

Dodirni me nježno!

Glave su izrađene od metala i čvrsto prijanjaju na potenciometar ostavljajući dobar dojam kod njihovog okretanja, dok njihova težina i dobar spoj sa potenciometrom onemogućuju okretanje slučajnim dodirom. Zasmetalo nas je jedino rješenje indikatora pozicije kojeg uopće nema pa je skoro nemoguće vidjeti gdje potenciometar pokazuje. To se moglo izbjeći da se izglodao mali utor na glavi i napunio crnom ili plavom bojom. Pošto je ljudski griješiti, ali i praštati, očekujemo da nove verzije budu markirane kako Bog zapovijeda, no dok mi to čekamo idemo dalje na 3-way prekidače. Prekidači kao što i samo njihovo ime kaže imaju tri različita položaja definirajući tri različita stanja. To su 12 volta, 5 volta i off stanje uz vizualnu signalizaciju ledica koje mijenjaju boje ovisno o određenom stanju. Svaki od šest kanala ima tako svoju ledicu statusa.

Gore ili dolje, pitanje je sad?

Za potenciometarske glave ledice povećavaju ili smanjuju svoj intenzitet plave svjetlosti ovisno o naponu odabranom na potenciometru. U uvjetima okolnog osvijetljena i naponskih postavki može se primjetiti veće ili manje treperenje ledica. Kod prekidača stanje je drugačije, crvena boja je za 12-voltno stanje dok je plava boja za 5-voltno stanje. Stanje kad su ventilatori ugašeni ili off stanje je pak popraćeno sa ugašenom ledicom na tom kanalu, što je i logično.



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