產(chǎn)品名稱：Reliance Electric 615055-2R DCS 系統(tǒng)模塊
產(chǎn)品型號(hào)：Reliance Electric 615055-2R
產(chǎn)品參數(shù)：Reliance Electric 615055-2R
產(chǎn)品功能：Reliance Electric 615055-2R
聯(lián)系人：劉錦玲 銷售經(jīng)理
熱 線：0592-5361112
手 機(jī)：15359273791
微 信：15359273791
工作QQ: 2589249356
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1) plc晶體管輸出呼應(yīng)快，能夠用于高速輸出，可是操控電磁閥等仍是需求加中心繼電器；繼電器輸出呼應(yīng)慢，可是能夠省去外接繼電器，接線簡略。詳細(xì)選用什么輸出要視負(fù)載狀況而定。2) 晶體管首要用于定位操控，要用晶體的輸出來宣布脈沖。而繼電器是不能用宣布脈沖的，也就不能定位操控了。如果用繼電器去操控定位伺服或是步進(jìn)的話就還要加定位模塊，經(jīng)濟(jì)上不劃算。而用一個(gè)晶體管輸出的就能夠操控伺服等。就這么回事。根據(jù)
1) plc晶體管輸出呼應(yīng)快，能夠用于高速輸出，可是操控電磁閥等仍是需求加中心繼電器；繼電器輸出呼應(yīng)慢，可是能夠省去外接繼電器，接線簡略。詳細(xì)選用什么輸出要視負(fù)載狀況而定。
2) 晶體管首要用于定位操控，要用晶體的輸出來宣布脈沖。而繼電器是不能用宣布脈沖的，也就不能定位操控了。如果用繼電器去操控定位伺服或是步進(jìn)的話就還要加定位模塊，經(jīng)濟(jì)上不劃算。而用一個(gè)晶體管輸出的就能夠操控伺服等。就這么回事。根據(jù)生產(chǎn)工藝要求，各種指示燈、變頻器/數(shù)字直流調(diào)速器的啟動(dòng)中止應(yīng)選用晶體管輸出，它適應(yīng)于高頻動(dòng)作，而且呼應(yīng)時(shí)刻短;如果PLC系統(tǒng)輸出頻率為每分鐘6次以下，應(yīng)首選繼電器輸出，選用這種方法，輸出電路的規(guī)劃簡略，抗干擾和帶負(fù)載才能強(qiáng)。
細(xì)分：
1) 負(fù)載電壓、電流類型不同
負(fù)載類型：晶體管只能帶直流負(fù)載，而繼電器帶交、直流負(fù)載均可。電流：晶體管電流0.1A-0.5A，繼電器3A。電壓：晶體管可接直流24V一般最大在直流30V左右，繼電器能夠接直流24V或溝通220V。
2) 負(fù)載才能不同
晶體管帶負(fù)載的才能小于繼電器帶負(fù)載的才能，用晶體管時(shí)，有 時(shí)分要加其他東西來帶動(dòng)大負(fù)載（如繼電器，固態(tài)繼電器等）。
3) 晶體管過載才能小于繼電器
過載的才能一般來說，存在沖擊電流較大的狀況時(shí)（例如燈泡、感性負(fù)載等），晶體管過載才能較小，需求降額更多。
4) 晶體管呼應(yīng)速度快于繼電器
繼電器輸出型原理是CPU驅(qū)動(dòng)繼電器線圈，令觸點(diǎn)吸合，使外部電源經(jīng)過閉合的觸點(diǎn)驅(qū)動(dòng)外部負(fù)載，其開路漏電流為零，呼應(yīng)時(shí)刻慢（約10ms）。 晶體管輸出型原理是CPU經(jīng)過光耦合使晶體管通斷，以操控外部直流負(fù)載，呼應(yīng)時(shí)刻快（約0.2ms乃至更?。?。晶體管輸出一般用于高速輸出，如伺服／步進(jìn)等，用于動(dòng)作頻率高的輸出。
5) 在額外作業(yè)狀況下，繼電器有動(dòng)作次數(shù)壽數(shù)，晶體管只要老化沒有運(yùn)用次數(shù)
約束繼電器是機(jī)械元件所以有動(dòng)作壽數(shù)，晶體管是電子元件，只要老化，沒有運(yùn)用次數(shù)約束。繼電器的每分鐘開關(guān)次數(shù)也是有約束的，而晶體管則沒有。
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