風(fēng)機(jī)泵類商業(yè)應(yīng)用的最佳選擇
羅克韋爾自動(dòng)化旗下艾倫-布拉德利PowerFlex400變頻器擁有眾多內(nèi)置特性支持變頻器與樓宇控制系統(tǒng)之間的無(wú)縫連接，大大方便了風(fēng)機(jī)和泵類在商業(yè)領(lǐng)域的應(yīng)用（如HVAC）?？蛇x功率范圍從7.5HP到100HP（電壓等級(jí)為交流380V到480V時(shí)）和7.5HP到50HP（電壓等級(jí)為交流200V到240V時(shí)）。PowerFlex400是為滿足全球OEM、分銷商和最終用戶對(duì)于靈活性、節(jié)省空間和使用方便的要求設(shè)計(jì)的。明智地選擇PowerFlex 400高效率低成本變頻設(shè)備，為您的風(fēng)機(jī)和泵類運(yùn)用提供完美的速度控制。
特性：
· 集成的PID控制器可自動(dòng)調(diào)整輸出頻率，調(diào)節(jié)過(guò)程變量。
· 三個(gè)可編程的跳變頻率段防止了變頻器在共振頻率中連續(xù)運(yùn)行，避免機(jī)械損壞。
· 可選的風(fēng)扇/泵類曲線針對(duì)離心風(fēng)扇和泵類負(fù)載提供降電壓模式。
· PowerFlex400變頻器獨(dú)特的休眠功能在系統(tǒng)需求降低到預(yù)先設(shè)定標(biāo)準(zhǔn)時(shí)，自動(dòng)關(guān)閉機(jī)器；當(dāng)系統(tǒng)需求增加時(shí)，自動(dòng)起動(dòng)機(jī)器。
· 針對(duì)某些無(wú)人看管運(yùn)行環(huán)境，系統(tǒng)斷電而后恢復(fù)時(shí)，變頻器將自動(dòng)重起運(yùn)行。
· Freeze/Fire和Purge等特定輸入，可直接連接到消防等緊急安全系統(tǒng)。
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