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廈門市泰尼電器有限公司
主營(yíng)產(chǎn)品： AB模塊PLC |
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廈門市泰尼電器有限公司
主營(yíng)產(chǎn)品： AB模塊PLC |
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更新時(shí)間：2018-01-22 19:40:11瀏覽次數(shù)：596
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490NAA27103 490NAA27103
不同的PLC措施也不*相同，提高響應(yīng)速度的效果也不同。一般的作法是采用輸入中斷，然后再輸出即時(shí)刷新，即中斷程序運(yùn)行后，有關(guān)的輸出點(diǎn)立即刷新，而不等到整個(gè)程序運(yùn)行結(jié)束后再刷新。這個(gè)效果可從兩個(gè)方面來衡量：一是能否對(duì)幾個(gè)輸入信號(hào)作快速響應(yīng)；二是快速響應(yīng)的速度有多快。
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