點(diǎn)擊圖片查看大圖例三、程序內(nèi)容是這樣的：
①.當(dāng)I0.0為自復(fù)位按鈕輸入變量，按一下I0.0,q0.0輸出為1，再按一下I0.0，q0.0輸出0
②.當(dāng)I0.1為自復(fù)位按鈕輸入變量，按一下I0.1,q0.1輸出為1，再按一下I0.1，q0.1輸出0
3③.當(dāng)雙擊（1S以內(nèi)連續(xù)按兩下按鈕算雙擊）I0.0或I0.1任何一個(gè)按鈕時(shí)，Q0.0，Q0.1都為0，當(dāng)再次單擊I0.0或者I0.1時(shí)，Q0.0或者Q0.1仍會(huì)延續(xù)①與②的邏輯。
解析：這個(gè)命題看似簡(jiǎn)單，編程時(shí)會(huì)發(fā)現(xiàn)還是有點(diǎn)難度，對(duì)“按一下I0.0,q0.0輸出為1，再按一下I0.0，q0.0輸出0”及“按一下I0.1,q0.1輸出為1，再按一下I0.1，q0.1輸出0”這個(gè)控制要求并不難，用二個(gè)SR觸發(fā)器即可組成此控制程序。難在：當(dāng)雙擊（1S以內(nèi)連續(xù)按兩下按鈕算雙擊）I0.0或I0.1任何一個(gè)按鈕時(shí)，Q0.0，Q0.1都為0。的程序控制。具體講解如下：
本命題也采用二種不同思路編寫二個(gè)程序，下面分別解析這二個(gè)程序構(gòu)思與編程技巧。
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