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YOKOGAWA AAM10 橫河
直流輸入接口電路中，當(dāng)輸入開(kāi)關(guān)閉合時(shí)，光敏晶體管接收到光信號(hào)，并將接受的信號(hào)送入內(nèi)部狀態(tài)寄存器。即當(dāng)現(xiàn)場(chǎng)開(kāi)關(guān)閉合時(shí)，對(duì)應(yīng)的輸入映像寄存器為“1”狀態(tài)，同時(shí)該輸入端的發(fā)光二極管(LED)點(diǎn)亮；當(dāng)現(xiàn)場(chǎng)開(kāi)關(guān)斷開(kāi)時(shí)，對(duì)應(yīng)的輸入映像寄存器為“0”狀態(tài)。光電耦合器隔離了輸入電路與PLC內(nèi)部電路的電氣連接，使外部信號(hào)通過(guò)光電耦合變成內(nèi)部電路能接收的標(biāo)準(zhǔn)信號(hào)。
圖（b）交流輸入接口電路中，當(dāng)輸入開(kāi)關(guān)閉合時(shí)，經(jīng)雙向光電耦合器，將該信號(hào)送至PLC內(nèi)部電路，供CPU處理，同時(shí)發(fā)光二極管（LED）點(diǎn)亮。（2）輸出接口電路
為適應(yīng)不同負(fù)載需要，各類PLC的輸出都有三種類型的接口電路，即繼電器輸出、晶體管輸出、晶閘管輸出。其作用是把PLC內(nèi)部的標(biāo)淮信號(hào)轉(zhuǎn)換成現(xiàn)場(chǎng)執(zhí)行機(jī)構(gòu)所需的開(kāi)關(guān)量信號(hào)，驅(qū)動(dòng)負(fù)載。發(fā)光二極管(LED)用來(lái)顯示某一路輸出端子是否有信號(hào)輸出
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以下產(chǎn)品格式現(xiàn)貨：
TRICONEX 2651
TRICONEX 2652
TRICONEX 2658
TRICONEX 2661
TRICONEX 2750
TRICONEX 2852
TRICONEX 3000110-360
TRICONEX 3000110-380
TRICONEX 3000120-360
TRICONEX 3000120-380
TRICONEX 3000142-220
TRICONEX 3000250-010
TRICONEX 3002
TRICONEX 3005
TRICONEX 3501E
TRICONEX 3503E
TRICONEX 3601E
TRICONEX 3604A
TRICONEX 3604E
TRICONEX 3700
TRICONEX 3805E
TRICONEX 4107
TRICONEX 4118
TRICONEX 4507
TRICONEX 7400028-100
TRICONEX 8300
TRICONEX 8300A
TRICONEX 8305
TRICONEX 8305A
TRICONEX DM305
TRICONEX ICM4101YOKOGAWA AAM10
TRICONEX NCM4320
TRICON 3511
TRICON 4351
TRICON 9563-810
TRICON 7400-143
TRICON 9761-210
TRICON 8310
TRICON 8311
TRICON 8312
TRICON 3004
TRICON 3005
TRICON 3006
TRICON 3007
TRICON 3008
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