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winpe
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樓主  發(fā)表于: 2014-06-26 09:43
PLC的高速計數器設置為軟件復位，增量模式。對計數的精度要求不高，只要計數值大于10000個(gè)脈沖對計數器清零，再重新計數
就可以了�？刹豢梢灾苯佑帽容^指令，如：
P_ON    CMP(20) 248 #2710
P_GT                252.00
因為計數值是10000，忽略了249，不知這樣可不可以？
如果計數器沒(méi)有復位，發(fā)生溢出后，計數器是停止工作還是從0開(kāi)始計數？

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