在石油加工工業(yè)中，大型旋轉(zhuǎn)機(jī)組是裝置設(shè)備的重要組成部分，重油催化裂化氣壓機(jī)組的聯(lián)鎖-自保系統(tǒng)從滿足工藝生產(chǎn)需求出發(fā)，考慮到安全性、可靠性、經(jīng)濟(jì)性、可擴(kuò)展性等因素，采用了OMRON公司生產(chǎn)的CPM2AH型PLC進(jìn)行系統(tǒng)構(gòu)建，CPM2AH自帶I/O接口，可以接36點(diǎn)輸入，24點(diǎn)輸出，輸出形式是繼電器，并且通過RS232C串口與PC機(jī)通訊，使生產(chǎn)過程表現(xiàn)穩(wěn)定，動(dòng)作可靠，在事故狀態(tài)下對(duì)機(jī)組及生產(chǎn)裝置實(shí)行了自我保護(hù)，杜絕了惡性事故的擴(kuò)大和蔓延，取得了顯著的效果。
GE Versamax IC200ALG325 is an analog output module, 13 bit voltage 8 channel. The GE Versamax IC200ALG325 provides eight analog voltage outputs ranging from either –10vdc to +10vdc (bipolar) or 0v to +10VDC (unipolar). The GE Versamax channels are 8 single-ended, one group.
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