產(chǎn)品名稱：Reliance Electric 615055-2R DCS 系統(tǒng)模塊
產(chǎn)品型號：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
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微 信：15359273791
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1) plc晶體管輸出呼應快，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；繼電器輸出呼應慢，可是能夠省去外接繼電器，接線簡略。詳細選用什么輸出要視負載狀況而定。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的話就還要加定位模塊，經(jīng)濟上不劃算。而用一個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；繼電器輸出呼應慢，可是能夠省去外接繼電器，接線簡略。詳細選用什么輸出要視負載狀況而定。
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的話就還要加定位模塊，經(jīng)濟上不劃算。而用一個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)速器的啟動中止應選用晶體管輸出，它適應于高頻動作，而且呼應時刻短;如果PLC系統(tǒng)輸出頻率為每分鐘6次以下，應首選繼電器輸出，選用這種方法，輸出電路的規(guī)劃簡略，抗干擾和帶負載才能強。
細分：
1) 負載電壓、電流類型不同
負載類型：晶體管只能帶直流負載，而繼電器帶交、直流負載均可。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) 負載才能不同
晶體管帶負載的才能小于繼電器帶負載的才能，用晶體管時，有 時分要加其他東西來帶動大負載（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（例如燈泡、感性負載等），晶體管過載才能較小，需求降額更多。
4) 晶體管呼應速度快于繼電器
繼電器輸出型原理是CPU驅(qū)動繼電器線圈，令觸點吸合，使外部電源經(jīng)過閉合的觸點驅(qū)動外部負載，其開路漏電流為零，呼應時刻慢（約10ms）。 晶體管輸出型原理是CPU經(jīng)過光耦合使晶體管通斷，以操控外部直流負載，呼應時刻快（約0.2ms乃至更?。＞w管輸出一般用于高速輸出，如伺服／步進等，用于動作頻率高的輸出。
5) 在額外作業(yè)狀況下，繼電器有動作次數(shù)壽數(shù)，晶體管只要老化沒有運用次數(shù)
約束繼電器是機械元件所以有動作壽數(shù)，晶體管是電子元件，只要老化，沒有運用次數(shù)約束。繼電器的每分鐘開關次數(shù)也是有約束的，而晶體管則沒有。
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