本文關(guān)鍵詞： EnDat. FPGA CRC 編碼器　出處：《液晶與顯示》2014年05期 　論文類型：期刊論文

【摘要】：在數(shù)控系統(tǒng)中EnDat2.2接口協(xié)議因其高速率、高智能和高可靠性而得到廣泛應(yīng)用。針對數(shù)控系統(tǒng)對EnDat2.2協(xié)議的接口系統(tǒng)的需要和替代廠家昂貴接口板卡,分析了Endat2.2通信協(xié)議,采用FPGA開發(fā)了雙路獨(dú)立EnDat2.2譯碼模塊,并集成了CRC校驗(yàn)功能,設(shè)計(jì)了雙路絕對式編碼器的數(shù)據(jù)傳輸電路,并在LC181光柵尺上進(jìn)行了應(yīng)用和測試。測試結(jié)果顯示該電路可以快速準(zhǔn)確地傳輸數(shù)據(jù),證明了該接口電路的可行性。
[Abstract]:EnDat2.2 interface protocol is widely used in NC system because of its high speed, high intelligence and high reliability. According to the need of CNC system for EnDat2.2 protocol interface system and the expensive interface card of substitute manufacturer, the Endat2.2 communication protocol is analyzed. The dual independent EnDat2.2 decoding module is developed by using FPGA, and the function of CRC verification is integrated. The data transmission circuit of the double channel absolute encoder is designed. The test results show that the circuit can transmit data quickly and accurately, which proves the feasibility of the interface circuit.
【作者單位】： 中國科學(xué)院長春光學(xué)精密機(jī)械與物理研究所;中國科學(xué)院大學(xué);
【分類號】：TN762;TP334.7
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本文編號：1545803