\u9600\u95e8SIL\u7b49\u7ea7\u662f\u5de5\u4e1a\u5b89\u5168\u9886\u57df\u4e2d\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u76f4\u63a5\u5173\u7cfb\u5230\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\uff08SIS\uff09\u4e2d\u9600\u95e8\u7684\u6027\u80fd\u8868\u73b0\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n
\u5728\u6d41\u7a0b\u5de5\u4e1a\u5982\u77f3\u6cb9\u3001\u5316\u5de5\u3001\u7535\u529b\u7b49\u884c\u4e1a\u4e2d\uff0c\u9600\u95e8\u4f5c\u4e3a\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\u7684\u6700\u7ec8\u6267\u884c\u5143\u4ef6\uff0c\u5176\u5931\u6548\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u5b89\u5168\u4e8b\u6545\u6216\u751f\u4ea7\u4e2d\u65ad\u3002<\/p>\n<\/p>\n
\u56e0\u6b64\uff0c\u7406\u89e3\u9600\u95e8SIL\u7b49\u7ea7\u7684\u542b\u4e49\u3001\u8bc4\u4f30\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\uff0c\u5bf9\u4e8e\u786e\u4fdd\u5de5\u5382\u5b89\u5168\u8fd0\u884c\u548c\u4eba\u5458\u8bbe\u5907\u4fdd\u62a4\u5177\u6709\u6781\u5176\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4ec0\u4e48\u662f\u9600\u95e8SIL\u7b49\u7ea7\uff1f<\/strong><\/p>\n SIL\u662f\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Safety Integrity Level\uff09\u7684\u82f1\u6587\u7f29\u5199\uff0c\u5b83\u662f\u6839\u636e\u56fd\u9645\u6807\u51c6IEC 61508\u548cIEC 61511\u5b9a\u4e49\u7684\u5bf9\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u6240\u8981\u6c42\u7684\u5b89\u5168\u5b8c\u6574\u6027\u6c34\u5e73\u7684\u5ea6\u91cf\u3002<\/p>\n<\/p>\n SIL\u7b49\u7ea7\u5206\u4e3a\u56db\u4e2a\u7ea7\u522b\uff0c\u4eceSIL 1\u5230SIL 4\uff0c\u5176\u4e2dSIL 4\u4ee3\u8868\u6700\u9ad8\u7ea7\u522b\u7684\u98ce\u9669\u964d\u4f4e\u8981\u6c42\uff0c\u901a\u5e38\u7528\u4e8e\u6838\u5de5\u4e1a\u7b49\u6781\u7aef\u9ad8\u98ce\u9669\u573a\u5408\u3002<\/p>\n<\/p>\n \u800c\u9600\u95e8\u4f5c\u4e3a\u5b89\u5168\u4eea\u8868\u529f\u80fd\u56de\u8def\u7684\u4e00\u90e8\u5206\uff0c\u5176SIL\u7b49\u7ea7\u5e76\u975e\u6307\u9600\u95e8\u672c\u8eab\u5355\u72ec\u62e5\u6709\u4e00\u4e2a\u7b49\u7ea7\uff0c\u800c\u662f\u6307\u5b83\u80fd\u591f\u88ab\u7528\u4e8e\u67d0\u4e2a\u7279\u5b9aSIL\u7b49\u7ea7\u7684\u5b89\u5168\u529f\u80fd\u4e2d\u3002<\/p>\n<\/p>\n \u8fd9\u610f\u5473\u7740\u9600\u95e8\u5fc5\u987b\u901a\u8fc7\u4e25\u683c\u7684\u5b9a\u91cf\u548c\u5b9a\u6027\u8bc4\u4f30\uff0c\u8bc1\u660e\u5176\u5931\u6548\u6982\u7387\u548c\u67b6\u6784\u80fd\u591f\u6ee1\u8db3\u76ee\u6807SIL\u7b49\u7ea7\u7684\u8981\u6c42\u3002<\/p>\n<\/p>\n \u4e8c\u3001\u9600\u95e8SIL\u7b49\u7ea7\u7684\u6838\u5fc3\u53c2\u6570\uff1aPFDavg\u548cHFT<\/strong><\/p>\n \u8bc4\u4f30\u4e00\u4e2a\u9600\u95e8\u6216\u9600\u95e8\u7ec4\u5408\uff08\u901a\u5e38\u5305\u62ec\u6267\u884c\u5668\u548c\u9600\u4f53\uff09\u662f\u5426\u9002\u7528\u4e8e\u67d0\u4e2aSIL\u7b49\u7ea7\uff0c\u4e3b\u8981\u4f9d\u8d56\u4e24\u4e2a\u6838\u5fc3\u91cf\u5316\u6307\u6807\uff1a\u5e73\u5747\u8981\u6c42\u65f6\u5931\u6548\u6982\u7387\uff08PFDavg\uff09\u548c\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09\u3002<\/p>\n<\/p>\n PFDavg\u8861\u91cf\u7684\u662f\u5b89\u5168\u529f\u80fd\u5728\u9700\u8981\u5176\u52a8\u4f5c\u65f6\u53d1\u751f\u5931\u6548\u7684\u5e73\u5747\u6982\u7387\u3002<\/p>\n<\/p>\n SIL\u7b49\u7ea7\u8d8a\u9ad8\uff0c\u6240\u5141\u8bb8\u7684PFDavg\u503c\u8303\u56f4\u5c31\u8d8a\u4f4e\uff0c\u5373\u8981\u6c42\u8bbe\u5907\u7684\u53ef\u9760\u6027\u8d8a\u9ad8\u3002<\/p>\n<\/p>\n \u4f8b\u5982\uff0cSIL 2\u8981\u6c42\u7684PFDavg\u8303\u56f4\u57280.01\u52300.001\u4e4b\u95f4\uff0c\u8fd9\u610f\u5473\u7740\u5176\u5931\u6548\u6982\u7387\u5fc5\u987b\u5728\u5343\u5206\u4e4b\u4e00\u5230\u767e\u5206\u4e4b\u4e00\u4e4b\u95f4\u3002<\/p>\n<\/p>\n \u786c\u4ef6\u6545\u969c\u88d5\u5ea6\u5219\u662f\u6307\u4e00\u4e2a\u90e8\u4ef6\u5728\u53d1\u751f\u4e00\u4e2a\u5371\u9669\u6545\u969c\u540e\uff0c\u6574\u4e2a\u7cfb\u7edf\u4ecd\u80fd\u7ee7\u7eed\u6267\u884c\u5176\u5b89\u5168\u529f\u80fd\u7684\u80fd\u529b\u3002<\/p>\n<\/p>\n \u5bf9\u4e8e\u9600\u95e8\u7ec4\u4ef6\uff0c\u901a\u5e38\u901a\u8fc7\u5197\u4f59\u8bbe\u8ba1\uff08\u5982\u4f7f\u7528\u4e24\u53f0\u9600\u95e8\u4e32\u8054\u6216\u5e76\u8054\uff09\u6765\u63d0\u9ad8HFT\uff0c\u4ece\u800c\u6ee1\u8db3\u66f4\u9ad8SIL\u7b49\u7ea7\u7684\u8981\u6c42\u3002<\/p>\n<\/p>\n \u4e09\u3001\u5982\u4f55\u786e\u5b9a\u9600\u95e8\u7684SIL\u7b49\u7ea7\uff1f<\/strong><\/p>\n \u786e\u5b9a\u4e00\u4e2a\u9600\u95e8\u7ec4\u5408\u9002\u7528\u4e8e\u54ea\u4e2aSIL\u7b49\u7ea7\u662f\u4e00\u4e2a\u7cfb\u7edf\u6027\u7684\u5de5\u7a0b\u8fc7\u7a0b\uff0c\u901a\u5e38\u9700\u8981\u9600\u95e8\u5236\u9020\u5546\u548c\u7cfb\u7edf\u96c6\u6210\u5546\u5171\u540c\u5b8c\u6210\u3002<\/p>\n<\/p>\n \u5236\u9020\u5546\u9700\u8981\u63d0\u4f9b\u57fa\u4e8e\u56fd\u9645\u6807\u51c6\u8ba1\u7b97\u7684\u9600\u95e8\u5931\u6548\u6570\u636e\uff0c\u5305\u62ec\u5371\u9669\u5931\u6548\u7387\uff08\u03bbdu\uff09\u3001\u5b89\u5168\u5931\u6548\u7387\uff08\u03bbsafe\uff09\u3001\u8bca\u65ad\u8986\u76d6\u7387\uff08DC\uff09\u548c\u5171\u56e0\u5931\u6548\u56e0\u5b50\uff08\u03b2\uff09\u7b49\u3002<\/p>\n<\/p>\n \u7cfb\u7edf\u96c6\u6210\u5546\u6216\u6700\u7ec8\u7528\u6237\u5219\u5229\u7528\u8fd9\u4e9b\u6570\u636e\uff0c\u6839\u636e\u5b89\u5168\u4eea\u8868\u529f\u80fd\u7684\u67b6\u6784\uff0c\u8ba1\u7b97\u6574\u4e2a\u529f\u80fd\u56de\u8def\u7684PFDavg\u503c\uff0c\u5e76\u5c06\u5176\u4e0e\u76ee\u6807SIL\u7b49\u7ea7\u7684\u8981\u6c42\u8fdb\u884c\u6bd4\u5bf9\u3002<\/p>\n<\/p>\n \u6b64\u5916\uff0c\u8fd8\u5fc5\u987b\u8fdb\u884c\u4e25\u683c\u7684\u5b9a\u6027\u8bc4\u4f30\uff0c\u5305\u62ec\u5ba1\u67e5\u9600\u95e8\u7684\u8bbe\u8ba1\u3001\u5236\u9020\u5de5\u827a\u3001\u8d28\u91cf\u7ba1\u7406\u4f53\u7cfb\u3001\u6d4b\u8bd5\u9a8c\u8bc1\u7a0b\u5e8f\u4ee5\u53ca\u64cd\u4f5c\u7ef4\u62a4\u624b\u518c\u7b49\u3002<\/p>\n<\/p>\n \u56db\u3001\u9600\u95e8SIL\u8ba4\u8bc1\u7684\u610f\u4e49\u4e0e\u6d41\u7a0b<\/strong><\/p>\n \u5e02\u573a\u4e0a\u5e38\u89c1\u7684\u201cSIL\u8ba4\u8bc1\u9600\u95e8\u201d\u901a\u5e38\u662f\u6307\u7ecf\u8fc7\u7b2c\u4e09\u65b9\u6743\u5a01\u673a\u6784\uff08\u5982T\u00dcV\u3001exida\uff09\u8bc4\u4f30\u548c\u8ba4\u8bc1\u7684\u9600\u95e8\u4ea7\u54c1\u3002<\/p>\n<\/p>\n \u8ba4\u8bc1\u673a\u6784\u4f1a\u5ba1\u67e5\u5236\u9020\u5546\u63d0\u4f9b\u7684\u6240\u6709\u5b9a\u91cf\u6570\u636e\u548c\u5b9a\u6027\u8bc1\u636e\uff0c\u5e76\u51fa\u5177\u62a5\u544a\u8bc1\u660e\u8be5\u9600\u95e8\u4ea7\u54c1\u53ef\u7528\u4e8e\u6700\u9ad8\u81f3\u67d0\u4e2aSIL\u7b49\u7ea7\uff08\u5982SIL 2\u6216SIL 3\uff09\u7684\u5e94\u7528\u4e2d\u3002<\/p>\n<\/p>\n \u83b7\u5f97SIL\u8ba4\u8bc1\u6781\u5927\u5730\u7b80\u5316\u4e86\u7cfb\u7edf\u96c6\u6210\u5546\u548c\u6700\u7ec8\u7528\u6237\u7684\u9009\u578b\u5de5\u4f5c\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u72ec\u7acb\u3001\u53ef\u4fe1\u7684\u6027\u80fd\u8bc1\u660e\u3002<\/p>\n<\/p>\n \u7136\u800c\uff0c\u5fc5\u987b\u6ce8\u610f\u7684\u662f\uff0c\u8ba4\u8bc1\u662f\u9488\u5bf9\u7279\u5b9a\u7684\u4ea7\u54c1\u578b\u53f7\u3001\u914d\u7f6e\u548c\u4f7f\u7528\u6761\u4ef6\u800c\u8a00\u7684\uff0c\u4e0d\u80fd\u968f\u610f extrapolate\uff08\u5916\u63a8\uff09\u5230\u672a\u7ecf\u9a8c\u8bc1\u7684\u5176\u4ed6\u5de5\u51b5\u3002<\/p>\n<\/p>\n \u4e94\u3001\u4e0d\u540cSIL\u7b49\u7ea7\u5bf9\u9600\u95e8\u9009\u578b\u7684\u5f71\u54cd<\/strong><\/p>\n \u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u5b89\u5168\u4eea\u8868\u529f\u80fd\u7684\u76ee\u6807SIL\u7b49\u7ea7\u76f4\u63a5\u51b3\u5b9a\u4e86\u9600\u95e8\u7684\u9009\u578b\u548c\u914d\u7f6e\u65b9\u6848\u3002<\/p>\n<\/p>\n \u5bf9\u4e8eSIL 1\u7b49\u7ea7\u7684\u5e94\u7528\uff0c\u6709\u65f6\u4e00\u4e2a\u5355\u4e00\u7684\u3001\u9ad8\u53ef\u9760\u6027\u7684\u5207\u65ad\u9600\u5c31\u53ef\u80fd\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n<\/p>\n \u800c\u5bf9\u4e8eSIL 2\u6216SIL 3\u7b49\u7ea7\uff0c\u5219\u901a\u5e38\u9700\u8981\u91c7\u7528\u5197\u4f59\u914d\u7f6e\uff0c\u4f8b\u5982\u201c1oo2\u201d\uff08\u4e8c\u9009\u4e00\uff09\u6216\u201c2oo3\u201d\uff08\u4e09\u9009\u4e8c\uff09\u7684\u9600\u95e8\u8868\u51b3\u7cfb\u7edf\uff0c\u4ee5\u964d\u4f4e\u56e0\u5355\u4e2a\u9600\u95e8\u5931\u6548\u800c\u5bfc\u81f4\u6574\u4e2a\u5b89\u5168\u529f\u80fd\u5931\u6548\u7684\u6982\u7387\u3002<\/p>\n<\/p>\n \u6b64\u5916\uff0c\u66f4\u9ad8SIL\u7b49\u7ea7\u7684\u5e94\u7528\u8fd8\u4f1a\u8981\u6c42\u9600\u95e8\u5177\u5907\u66f4\u9ad8\u7684\u8bca\u65ad\u8986\u76d6\u7387\uff0c\u4f8b\u5982\u901a\u8fc7\u5b89\u88c5\u9600\u4f4d\u53d8\u9001\u5668\uff08PVT\uff09\u6765\u5b9e\u65f6\u76d1\u6d4b\u9600\u95e8\u7684\u5b9e\u9645\u4f4d\u7f6e\uff0c\u53ca\u65f6\u53d1\u73b0\u5371\u9669\u9690\u85cf\u6545\u969c\u3002<\/p>\n<\/p>\n \u516d\u3001\u5b89\u88c5\u3001\u8c03\u8bd5\u4e0e\u7ef4\u62a4\u7684\u91cd\u8981\u6027<\/strong><\/p>\n 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