品牌:其他 | 規格:50-A017-MWI | 材質:50-A017-MWI |
產地:美國 |
50-A017-MWI
50-A017-MWI
50-A017-MWI
當PLC運行時,CPU就要執行用戶程序中的操作。但是CPU不可能同時執行多個操作,只能分時地一個操作一個操作地執行。PLC利用係統軟件在其內部建立了輸入輸出映像區,當PLC的CPU執行用戶程序時,從輸入映像區中讀取輸入信號的狀態,進行相應的操作。當CPU執行完第一個操作後,將操作結果輸出到輸出映像區,然後再執行第二個操作,操作結果送到輸出映像區。
PHD 65151-07 TIP KIT DBL NO SCRATCH SW MTG -TA(B)045 OPT GRM2 (3)
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DURANT 53300400 8 DIGIT TOTALIZER 10-30VDC INTERNAL BATTERY 3V LITHIUM
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NUMATICS 123BA400L035A WITH ATTACHED PART NUMBER 237-804B 150 PSIG
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PHD 53622-2 PRESSURE SENSOR WITH QUICK DISCONNECT INPUT 4.5-24 VDC
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BOSCH REXROTH 9810161192 RELIEF VALVE DUAL CROSSOVER