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wzy4828
風(fēng)流雖能驚天下，唯有悶騷動(dòng)世人
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樓主  發(fā)表于: 2024-04-17 21:09
它們是一樣嗎？
ymmfa
不想大江大河，不想浪起潮落，只愿一灣小湖，靜待歲月安好。
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1樓  發(fā)表于: 2024-04-18 10:23
D = Digital quantity = 數字量
A = Analog quantity = 模擬量
外面接電流電壓模擬量進(jìn)PLC來(lái)的，用AD
從PLC發(fā)出電流電壓模擬量出去的，用DA
樓主留言：
如果要輸入輸出就要買(mǎi)2個(gè)？
特別提醒大家：
偶爾修改下自己的密碼，以防被盜
不要在多個(gè)網(wǎng)站都用一樣賬號密碼
偶爾還是要發(fā)發(fā)貼，回回貼，不要總潛水

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