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pc8mcu
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樓主  發(fā)表于: 2016-12-15 15:20
ST 語(yǔ)言 T0定時(shí)器使用  為何IF  T0=1 THEN。。無(wú)效？？？

.....

T0:=K20;
....

IF  T0=1 THEN
    Y0:=1;
END_IF;

為何一開(kāi)機Y0就是1 ???
pc8mcu
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1樓  發(fā)表于: 2016-12-15 16:33
.....

T0:=K2000;
....

IF  T0=1 THEN
    Y0:=1;
END_IF;

結果是Y0  都不執行�。。�！
pc8mcu
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2樓  發(fā)表于: 2016-12-16 11:09
感謝，，我本想簡(jiǎn)單一些直接用  T0 與梯形圖那樣符號，看來(lái)不行

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