詳細(xì)內(nèi)容：CR7XMA2 PLC控制柜一般包括以下五部分: 空氣開(kāi)關(guān) 一個(gè)總的空氣開(kāi)關(guān)，這個(gè)是整個(gè)柜體的電源控制。相信每個(gè)柜子都必須要有的一個(gè)東西。 PLC 這個(gè)要根據(jù)工程需要選擇。打個(gè)比方如果工程小可以直接就是一個(gè)一體化的PLC 但如果工程比較大 可能就需要模塊、卡件式的，同時(shí)還可能需要冗余（也就是兩套交替使用）。 電源 一個(gè)24VDC的開(kāi)關(guān)電源，大多數(shù)的PLC都是自帶24VDC的電源，根據(jù)是否確實(shí)需要來(lái)定是否要這個(gè)開(kāi)關(guān)電源。 繼電器 一般PLC是可以直接將指令發(fā)到控制回路里，但也可能先由繼電器中轉(zhuǎn)。打個(gè)比方，如果你PLC的輸出口帶電是24VDC的，但是你的控制回路里畫(huà)的圖 需要PLC供的節(jié)點(diǎn)卻是220VAC的，那么你就必須在PLC輸出口加上一個(gè)繼電器，即指令發(fā)出時(shí) 繼電器動(dòng)作，但后讓控制回路的節(jié)點(diǎn)接到繼電器的常開(kāi)或常閉點(diǎn)上。也是根據(jù)情況選擇是否使用繼電器。 接線端子 這個(gè)肯定是每個(gè)柜子都必不可少的東西 根據(jù)信號(hào)數(shù)量可以配置。如果只是一個(gè)單純的PLC控制柜 基本就是需要這些玩意，如果你的控制柜內(nèi)還需要有其他的東西 就看情況增加。比方說(shuō)你有可能要對(duì)某些現(xiàn)場(chǎng)的儀表或者小控制箱供電，可能你就得要增加空開(kāi)數(shù)量。或者你要PLC接至上位機(jī)，可能就需要增加交換機(jī)什么的。視情況而定。 主營(yíng)產(chǎn)品：Schneider ,Foxboro,Ovatin,Allen-Bradley,Siemens等各類(lèi)工控產(chǎn)品， 歡迎來(lái)電咨詢(xún)！ Allen Bradley Servo Motor - MPL-B4540F-MJ24AA Allen Bradley Servo Motor MPL-B4540F-MJ22AA Allen Bradley MPL-B4540F-MJ22AA Kinetix Inverter Duty AC Servo Motor *Tested* From Canada Allen Bradley MPL-B4540F-SJ24AA Servo Motor Allen Bradley MPL-B4540F-MJ22AA Inverter Duty AC Servo Motor 3.0Kw Ser/A*Tested* From Canada Allen-Bradley Servo Moto MPL-B580F-MJ24AA NIB (#3024) NEW ALLEN BRADLEY SERVO MOTOR MPL B4540F-MK24AA SERIES AB 460V Allen Bradley Servo Motor - MPL-B4540F-SJ22AA - in Germany From Germany Allen Bradley Servo Motor - MPL-B4530F-MJ22AA - in Germany From Germany Allen Bradley MPL-B430P-MJ24AA Servo Motor (#3242) ALLEN BRADLEY SERVO MOTOR MPL B680F-MJ24AA Allen Bradley Servo Motor MPL-B4540F-MJ22AA Allen Bradley Servo Motor - MPL-B4540F-MJ24AA Allen Bradley Kinetix AC Servo Motor MPL-B4540F-MJ22AA EXCELLENT! 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