{"id":106455,"date":"2026-09-17T12:48:35","date_gmt":"2026-09-17T04:48:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/106455.html"},"modified":"2026-09-17T12:48:35","modified_gmt":"2026-09-17T04:48:35","slug":"labview%e6%95%b0%e6%8d%ae%e9%a2%84%e5%88%a4%e6%95%85%e9%9a%9c-%e5%87%8f%e6%91%87%e9%b3%8d%e6%99%ba%e8%83%bd%e9%a2%84%e7%bb%b4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/106455.html","title":{"rendered":"LabVIEW\u6570\u636e\u9884\u5224\u6545\u969c \u51cf\u6447\u9ccd\u667a\u80fd\u9884\u7ef4"},"content":{"rendered":"

\u4f20\u7edf\u6a21\u5f0f\u91cc，\u51cf\u6447\u9ccd\u603b\u662f"\u574f\u4e86\u5927\u4fee"，\u53ef\u6545\u969c\u65e9\u5728\u51e0\u4e2a\u6708\u524d\u5c31\u5199\u8fdb\u4e86\u632f\u52a8\u6570\u636e\u91cc\u2014\u2014\u5173\u952e\u662f\u4f60\u8bfb\u4e0d\u8bfb\u5f97\u61c2\u3002<\/span><\/p>\n

\u9884\u8ba1\u9605\u8bfb\u7ea6 4 \u5206\u949f<\/span><\/p>\n

01 <\/span>\u673a\u3001\u7535\u3001\u6db2\u4e00\u4f53\u7684\u51cf\u6447\u9ccd，\u6545\u969c\u4ece\u6765\u4e0d\u662f"\u7a81\u7136"\u6765\u7684<\/span><\/p>\n

\u5bf9\u8fdc\u6d0b\u8239\u6765\u8bf4，\u51cf\u6447\u9ccd\u5931\u6548\u90a3\u4e00\u523b，\u624d\u662f\u7ef4\u62a4\u6210\u672c\u6700\u9ad8\u7684\u5f00\u59cb\u3002<\/span> \u98ce\u6d6a\u91cc\u7684\u51cf\u6447\u80fd\u529b\u5927\u6253\u6298\u6263\u4e0d\u8bf4，\u7d27\u6025\u62a2\u4fee\u5f80\u5f80\u8981\u505c\u822a\u3001\u4e0a\u575e\u3001\u7b49\u5907\u4ef6，\u4e00\u6b21\u4e0b\u6765\u7684\u4eba\u529b\u7269\u529b\u8fdc\u8d85\u60f3\u8c61\u3002<\/span><\/p>\n

\u51cf\u6447\u9ccd\u662f\u8239\u8236\u51cf\u6447\u7684\u6838\u5fc3\u8bbe\u5907，\u673a\u68b0\u3001\u6db2\u538b\u3001\u7535\u6c14\u4e09\u4e2a\u5b50\u7cfb\u7edf\u8026\u5408\u5728\u4e00\u8d77：\u6db2\u538b\u6cf5\u7ad9\u63d0\u4f9b\u52a8\u529b，\u6267\u884c\u673a\u6784\u5e26\u52a8\u9ccd\u7ffc\u6446\u52a8，\u7535\u6c14\u7cfb\u7edf\u8d1f\u8d23\u63a7\u5236\u548c\u53cd\u9988\u3002\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u51fa\u95ee\u9898，\u6574\u4e2a\u51cf\u6447\u529f\u80fd\u90fd\u4f1a\u53d7\u5f71\u54cd\u3002<\/span><\/p>\n

\u800c\u4e14\u51cf\u6447\u9ccd\u957f\u671f\u5904\u5728\u76d0\u96fe\u3001\u6d77\u6c34\u98de\u6cab\u548c\u6301\u7eed\u632f\u52a8\u7684\u6076\u52a3\u73af\u5883\u91cc，\u6db2\u538b\u7ba1\u8def\u8001\u5316\u3001\u5bc6\u5c01\u6e17\u6f0f\u3001\u8f74\u627f\u78e8\u635f\u51e0\u4e4e\u4e0d\u53ef\u907f\u514d，\u65e9\u671f\u5f81\u5146\u53c8\u5f80\u5f80\u88ab\u566a\u58f0\u63a9\u76d6\u3002\u9760\u4eba\u5de5\u5de1\u68c0\u548c\u8001\u5e08\u5085\u7ecf\u9a8c，\u5f88\u96be\u5728\u6545\u969c\u840c\u82bd\u65f6\u628a\u5b83\u6293\u4f4f\u3002<\/span><\/p>\n

\u53ef\u957f\u671f\u4ee5\u6765，\u56fd\u5185\u51cf\u6447\u9ccd\u88c5\u7f6e\u7684\u7ef4\u62a4\u57fa\u672c\u9760"\u8ba1\u5212\u6027\u7ef4\u4fee + \u4e8b\u6545\u7ef4\u4fee"：\u8bbe\u5907\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4\u77ed，\u4fee\u590d\u65f6\u95f4\u957f，\u5927\u91cf\u4eba\u529b\u548c\u7269\u529b\u6d6a\u8d39\u5728"\u574f\u4e00\u6b21\u4fee\u4e00\u6b21"\u7684\u5faa\u73af\u91cc\u3002\u5f88\u591a\u88c5\u7f6e\u53ea\u505a\u5230\u4e86\u7b80\u5355\u4fe1\u606f\u5316\u2014\u2014\u6709\u76d1\u6d4b\u6570\u636e，\u5374\u6ca1\u6709\u8bca\u65ad\u548c\u9884\u62a5\u3002<\/span><\/p>\n

\u95ee\u9898\u7684\u6838\u5fc3\u4e0d\u5728"\u6709\u6ca1\u6709\u6570\u636e"，\u800c\u5728\u6570\u636e\u91cc\u85cf\u7740\u6545\u969c\u5f81\u5146，\u5374\u6ca1\u6709\u4eba\u5e2e\u8fd0\u7ef4\u4eba\u5458\u628a\u5b83\u4eec\u7ffb\u8bd1\u51fa\u6765\u3002\u4e0b\u9762\u8fd9\u5957\u7cfb\u7edf\u8981\u89e3\u51b3\u7684，\u6b63\u662f\u8fd9\u4e2a\u95ee\u9898\u3002<\/span><\/p>\n

02 <\/span>\u4e00\u5957 PXIe \u5e73\u53f0，\u628a\u4f20\u611f\u5668\u3001\u7b97\u6cd5\u548c\u6570\u636e\u5e93\u4e32\u6210\u4e00\u6761\u94fe<\/span><\/p>\n

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\u786c\u4ef6\u94fe\u8def\u7684\u5173\u952e\u73af\u8282：<\/span><\/p>\n

– <\/span>\u632f\u52a8\u4f20\u611f\u5668：\u901a\u8fc7 BNC \u63a5\u53e3\u76f4\u63a5\u63a5 PXIe \u52a8\u6001\u91c7\u96c6\u6a21\u5757，\u8d70\u9ad8\u901f\u901a\u9053\u3002- \u538b\u529b\u3001\u6d41\u91cf\u4f20\u611f\u5668：\u8f93\u51fa 4~20mA \u7535\u6d41\u4fe1\u53f7，\u63a5\u5165 PXIe \u6a21\u62df\u91cf\u91c7\u96c6\u6a21\u5757\u3002- \u4e09\u8f74\u9640\u87ba\u4eea：RS232 \u63a5\u53e3\u63a5\u5165，\u7528\u4e8e\u59ff\u6001\u548c\u9ccd\u89d2\u53c2\u8003\u3002- \u6cb9\u6db2\u6c34\u5206\u4f20\u611f\u5668：Modbus RTU \u534f\u8bae，\u6302\u5728\u4e32\u53e3\u603b\u7ebf\u4e0a\u3002- \u9ccd\u8f74\u6e17\u6c34\u68c0\u6d4b\u7b49\u8f85\u52a9\u76d1\u6d4b，\u8865\u9f50\u5173\u952e\u90e8\u4f4d\u7684\u65e9\u671f\u9690\u60a3\u3002<\/span><\/p>\n

\u8f6f\u4ef6\u5c42\u9762，\u7528 LabVIEW 2018 \u5f00\u53d1\u4eba\u673a\u4ea4\u4e92\u754c\u9762，\u5212\u5206\u6570\u636e\u91c7\u96c6\u3001\u6570\u636e\u7ba1\u7406\u3001\u72b6\u6001\u5206\u6790\u3001\u4eba\u673a\u4ea4\u4e92\u56db\u5927\u6a21\u5757\u3002\u91c7\u96c6\u6a21\u5757\u53ea\u8d1f\u8d23"\u62ff\u5230\u4fe1\u53f7"，\u72b6\u6001\u5206\u6790\u6a21\u5757\u8d1f\u8d23"\u770b\u61c2\u4fe1\u53f7"，\u6570\u636e\u7ba1\u7406\u6a21\u5757\u8d1f\u8d23"\u8bb0\u4f4f\u5386\u53f2"，\u754c\u9762\u5219\u628a\u7ed3\u8bba\u76f4\u63a5\u6446\u5230\u8fd0\u7ef4\u4eba\u5458\u773c\u524d\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u8fd9\u5957\u67b6\u6784\u91cc，RS232 \u548c Modbus \u53ea\u662f"\u4f20\u6570\u636e\u7684\u7ba1\u9053"，\u771f\u6b63\u7684\u4ef7\u503c\u5728\u8f6f\u4ef6\u600e\u4e48\u5904\u7406\u62ff\u5230\u7684\u6570\u636e\u3002\u4e0b\u9762\u4e24\u4e2a\u6280\u672f\u70b9，\u624d\u662f\u7cfb\u7edf\u91cc\u6700\u503c\u94b1\u7684\u90e8\u5206\u3002<\/span><\/p>\n

03 200kHz <\/span>\u7684\u632f\u52a8\u4fe1\u53f7，\u600e\u4e48\u53d8\u6210"\u770b\u5f97\u61c2\u7684\u6545\u969c\u7279\u5f81"<\/span><\/p>\n

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\u6240\u4ee5\u7cfb\u7edf\u5bf9\u632f\u52a8\u4fe1\u53f7\u91c7\u7528 200kHz \u91c7\u6837，\u505a FFT \u65f6\u9891\u53d8\u6362，\u628a\u65f6\u57df\u6ce2\u5f62\u8f6c\u5230\u9891\u57df，\u518d\u63d0\u53d6\u5e45\u503c\u57df\u7279\u5f81\u503c\u5b58\u5165\u6570\u636e\u5e93\u3002<\/span><\/p>\n

FFT <\/span>\u7684\u4f5c\u7528，\u662f\u628a\u65f6\u57df\u4e0a\u4e71\u6210\u4e00\u56e2\u7684\u632f\u52a8\u6ce2\u5f62\u5206\u89e3\u6210\u4e00\u4e2a\u4e2a\u9891\u7387\u5206\u91cf：\u9f7f\u8f6e\u7684\u556e\u5408\u9891\u7387\u3001\u8f74\u627f\u5185\u5708\u5916\u5708\u7684\u6545\u969c\u7279\u5f81\u9891\u7387，\u90fd\u80fd\u5728\u9891\u8c31\u91cc\u5bf9\u53f7\u5165\u5ea7\u3002\u6bd4\u8d77\u76f4\u63a5\u76ef\u6ce2\u5f62，\u9891\u57df\u91cc\u7684\u5f02\u5e38\u8981\u9192\u76ee\u5f97\u591a，\u4e5f\u66f4\u5bb9\u6613\u91cf\u5316\u3002\u8fd9\u5957\u6d41\u7a0b\u7684\u6280\u672f\u542b\u91cf，\u5728\u4e8e\u4e09\u4e2a\u7ec6\u8282\u3002<\/span><\/p>\n

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04 <\/span>\u6a21\u7cca\u795e\u7ecf\u7f51\u7edc\u5224\u65ad"\u574f\u5728\u54ea"，S-N \u66f2\u7ebf\u56de\u7b54"\u8fd8\u80fd\u6491\u591a\u4e45"<\/span><\/p>\n

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