品牌:ABB | 規格:DSQC138 | 材質:DSQC138 |
產地:瑞士 |
DSQC138
DSQC138
DSQC138
為了進一步提高PLC的可靠性,近年來對大型PLC還採用雙CPU構成冗餘係統,或採用三CPU的表決式係統。這樣,即使某個CPU出現故障,整個係統仍能正常運行。
存儲器
存放係統軟件的存儲器稱為係統程序存儲器。
存放應用軟件的存儲器稱為用戶程序存儲器。
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