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EEPW首頁(yè) > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > DK04監(jiān)控模塊與計(jì)算機(jī)通信接口電路

DK04監(jiān)控模塊與計(jì)算機(jī)通信接口電路

作者：時(shí)間：2016-11-14 來(lái)源：網(wǎng)絡(luò)

如圖所示，D187是一個(gè)通用異步接收發(fā)送器(UART)，其RX/TX的信號(hào)接到光耦N21、N22和N29上，這樣就把RS-485通信接口接收/發(fā)送器D28和微處理器D211完全地電源變換成用于±l2V通信的專用RS-232驅(qū)動(dòng)芯片

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關(guān)鍵詞： DK04 監(jiān)控模塊 計(jì)算機(jī)通信