{"id":3808,"date":"2025-09-04T13:57:50","date_gmt":"2025-09-04T05:57:50","guid":{"rendered":"https:\/\/rohs.ac.cn\/?p=3808"},"modified":"2025-09-04T13:57:50","modified_gmt":"2025-09-04T05:57:50","slug":"%e5%8f%98%e9%80%81%e5%99%a8sil%e8%ae%a4%e8%af%81","status":"publish","type":"post","link":"https:\/\/rohs.ac.cn\/?p=3808","title":{"rendered":"\u53d8\u9001\u5668sil\u8ba4\u8bc1"},"content":{"rendered":"<p>\u53d8\u9001\u5668SIL\u8ba4\u8bc1\u662f\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u7279\u522b\u662f\u529f\u80fd\u5b89\u5168\u65b9\u9762\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u4e14\u4e13\u4e1a\u6027\u6781\u5f3a\u7684\u8ba4\u8bc1\u6807\u51c6\u3002<\/p>\n<p>\u5b83\u5e76\u975e\u4e00\u4e2a\u72ec\u7acb\u7684\u4ea7\u54c1\u8ba4\u8bc1\uff0c\u800c\u662f\u9488\u5bf9\u7531\u53d8\u9001\u5668\u53c2\u4e0e\u7ec4\u6210\u7684\u6574\u4e2a\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\uff08SIS\uff09\u6240\u8981\u6c42\u8fbe\u5230\u7684\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08SIL\uff09\u7684\u4e00\u79cd\u8bc4\u4f30\u548c\u786e\u8ba4\u3002<\/p>\n<p>\u5bf9\u4e8e\u6d41\u7a0b\u5de5\u4e1a\uff0c\u5982\u77f3\u6cb9\u3001\u5316\u5de5\u3001\u5929\u7136\u6c14\u3001\u7535\u529b\u7b49\u884c\u4e1a\u800c\u8a00\uff0c\u7406\u89e3\u548c\u5e94\u7528\u7ecf\u8fc7SIL\u8ba4\u8bc1\u7684\u53d8\u9001\u5668\uff0c\u662f\u4fdd\u969c\u751f\u4ea7\u88c5\u7f6e\u5b89\u5168\u3001\u9884\u9632\u707e\u96be\u6027\u4e8b\u6545\u53d1\u751f\u7684\u6838\u5fc3\u73af\u8282\u4e4b\u4e00\u3002<\/p>\n<\/p>\n<p><strong>\u4e00\u3001\u4ec0\u4e48\u662fSIL\u8ba4\u8bc1\uff1f<\/strong><\/p>\n<\/p>\n<p>SIL\uff0c\u5373\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Safety Integrity Level\uff09\uff0c\u6e90\u81ea\u4e8e\u56fd\u9645\u6807\u51c6IEC 61508\u548cIEC 61511\u3002<\/p>\n<p>\u5b83\u662f\u8861\u91cf\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u6027\u80fd\u6c34\u5e73\u7684\u4e00\u4e2a\u91cf\u5316\u6307\u6807\uff0c\u5171\u5206\u4e3a\u56db\u4e2a\u7b49\u7ea7\uff0c\u4eceSIL1\u5230SIL4\uff0c\u5176\u4e2dSIL4\u4ee3\u8868\u6700\u9ad8\u7b49\u7ea7\u7684\u5b89\u5168\u5b8c\u6574\u6027\u8981\u6c42\uff0c\u901a\u5e38\u7528\u4e8e\u98ce\u9669\u6781\u9ad8\u7684\u573a\u5408\u3002<\/p>\n<p>SIL\u8ba4\u8bc1\u5219\u662f\u7531\u7b2c\u4e09\u65b9\u6743\u5a01\u8ba4\u8bc1\u673a\u6784\uff0c\u4f9d\u636e\u4e0a\u8ff0\u56fd\u9645\u6807\u51c6\uff0c\u5bf9\u7528\u4e8e\u6267\u884c\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u7684\u8bbe\u5907\uff08\u5982\u4f20\u611f\u5668\u3001\u903b\u8f91\u63a7\u5236\u5668\u3001\u6700\u7ec8\u5143\u4ef6\uff09\u8fdb\u884c\u8bc4\u4f30\u548c\u786e\u8ba4\uff0c\u8bc1\u660e\u5176\u80fd\u591f\u8fbe\u5230\u5ba3\u79f0\u7684SIL\u7b49\u7ea7\u8981\u6c42\u3002<\/p>\n<\/p>\n<p><strong>\u4e8c\u3001\u4e3a\u4ec0\u4e48\u53d8\u9001\u5668\u9700\u8981SIL\u8ba4\u8bc1\uff1f<\/strong><\/p>\n<\/p>\n<p>\u53d8\u9001\u5668\u4f5c\u4e3a\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\uff08SIS\uff09\u7684\u201c\u611f\u89c9\u5668\u5b98\u201d\uff0c\u8d1f\u8d23\u76d1\u6d4b\u8fc7\u7a0b\u53d8\u91cf\uff08\u5982\u538b\u529b\u3001\u6e29\u5ea6\u3001\u6d41\u91cf\u3001\u6db2\u4f4d\u7b49\uff09\uff0c\u5e76\u5c06\u8fd9\u4e9b\u7269\u7406\u91cf\u8f6c\u6362\u4e3a\u6807\u51c6\u4fe1\u53f7\u4f20\u8f93\u7ed9\u5b89\u5168\u903b\u8f91\u63a7\u5236\u5668\uff08SIS\uff09\u3002<\/p>\n<p>\u5982\u679c\u53d8\u9001\u5668\u672c\u8eab\u5931\u6548\uff0c\u65e0\u6cd5\u6b63\u786e\u68c0\u6d4b\u5230\u5371\u9669\u5de5\u51b5\uff0c\u90a3\u4e48\u540e\u7eed\u7684\u6574\u4e2a\u5b89\u5168\u94fe\u90fd\u5c06\u5931\u53bb\u4f5c\u7528\uff0c\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u5728\u9884\u5b9a\u7684\u6761\u4ef6\u4e0b\u6267\u884c\u5b89\u5168\u529f\u80fd\uff0c\u4ece\u800c\u5f15\u53d1\u4e25\u91cd\u7684\u5b89\u5168\u4e8b\u6545\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4f7f\u7528\u7ecf\u8fc7SIL\u8ba4\u8bc1\u7684\u53d8\u9001\u5668\uff0c\u53ef\u4ee5\u786e\u4fdd\u5176\u5177\u6709\u8db3\u591f\u4f4e\u7684\u968f\u673a\u786c\u4ef6\u5931\u6548\u6982\u7387\u548c\u8db3\u591f\u9ad8\u7684\u62b5\u5fa1\u7cfb\u7edf\u6027\u6545\u969c\u7684\u80fd\u529b\uff0c\u4ece\u800c\u4e3a\u6574\u4e2aSIS\u56de\u8def\u8fbe\u5230\u76ee\u6807SIL\u7b49\u7ea7\u63d0\u4f9b\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><strong>\u4e09\u3001\u53d8\u9001\u5668SIL\u8ba4\u8bc1\u7684\u6838\u5fc3\u53c2\u6570\u4e0e\u8981\u6c42<\/strong><\/p>\n<\/p>\n<p>\u8bc4\u4f30\u4e00\u4e2a\u53d8\u9001\u5668\u662f\u5426\u6ee1\u8db3\u7279\u5b9aSIL\u7b49\u7ea7\uff0c\u5e76\u975e\u53ea\u770b\u5355\u4e00\u6307\u6807\uff0c\u800c\u662f\u9700\u8981\u7efc\u5408\u8003\u5bdf\u4e00\u7cfb\u5217\u5173\u952e\u53c2\u6570\u3002<\/p>\n<p>\u8fd9\u4e9b\u53c2\u6570\u5171\u540c\u5b9a\u4e49\u4e86\u53d8\u9001\u5668\u5728\u5371\u9669\u5931\u6548\u6a21\u5f0f\u4e0b\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<\/p>\n<p><strong>1. \u5e73\u5747\u5371\u9669\u5931\u6548\u6982\u7387\uff08PFDavg\uff09<\/strong><\/p>\n<\/p>\n<p>PFDavg\u662f\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\uff08SIS\uff09\u4e2d\u6700\u91cd\u8981\u7684\u53ef\u9760\u6027\u6307\u6807\u4e4b\u4e00\uff0c\u5b83\u8868\u793a\u5b89\u5168\u529f\u80fd\u5728\u8981\u6c42\u65f6\u5931\u6548\u7684\u5e73\u5747\u6982\u7387\u3002<\/p>\n<p>\u5bf9\u4e8e\u53d8\u9001\u5668\u800c\u8a00\uff0c\u5176PFDavg\u503c\u5fc5\u987b\u8db3\u591f\u4f4e\uff0c\u4ee5\u6ee1\u8db3\u6574\u4e2a\u5b89\u5168\u56de\u8def\u5206\u914d\u7684PFDavg\u9884\u7b97\u3002<\/p>\n<p>SIL\u7b49\u7ea7\u8d8a\u9ad8\uff0c\u6240\u5141\u8bb8\u7684PFDavg\u503c\u8303\u56f4\u5c31\u8d8a\u4f4e\uff08\u5373\u8981\u6c42\u66f4\u9ad8\u7684\u53ef\u9760\u6027\uff09\u3002<\/p>\n<\/p>\n<p><strong>2. \u5b89\u5168\u5931\u6548\u5206\u6570\uff08SFF\uff09<\/strong><\/p>\n<\/p>\n<p>SFF\u662f\u6307\u6240\u6709\u5931\u6548\u4e2d\u4e0d\u4f1a\u5bfc\u81f4\u5b89\u5168\u529f\u80fd\u4e27\u5931\u7684\u5931\u6548\uff08\u5b89\u5168\u5931\u6548\uff09\u548c\u53ef\u68c0\u6d4b\u5230\u7684\u5371\u9669\u5931\u6548\u6240\u5360\u7684\u6bd4\u4f8b\u3002<\/p>\n<p>IEC 61508\u6807\u51c6\u6839\u636e\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09\u548cSFF\u503c\uff0c\u5bf9\u8bbe\u5907\u63d0\u51fa\u4e86\u4e0d\u540c\u7684\u8981\u6c42\u3002<\/p>\n<p>\u9ad8\u7684SFF\u503c\u8868\u660e\u8bbe\u5907\u7684\u5927\u90e8\u5206\u5931\u6548\u662f\u5b89\u5168\u7684\u6216\u662f\u53ef\u88ab\u68c0\u6d4b\u5230\u7684\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u53d1\u751f\u672a\u68c0\u6d4b\u5230\u7684\u5371\u9669\u5931\u6548\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><strong>3. \u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09<\/strong><\/p>\n<\/p>\n<p>\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\u662f\u6307\u5728\u51fa\u73b0\u4e00\u4e2a\u6216\u591a\u4e2a\u5371\u9669\u6545\u969c\u540e\uff0c\u8bbe\u5907\u4ecd\u80fd\u7ee7\u7eed\u6267\u884c\u6240\u9700\u5b89\u5168\u529f\u80fd\u7684\u80fd\u529b\u3002<\/p>\n<p>\u4f8b\u5982\uff0cHFT=1\u610f\u5473\u7740\u5728\u51fa\u73b0\u4e00\u4e2a\u5371\u9669\u6545\u969c\u540e\uff0c\u8bbe\u5907\u4ecd\u7136\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u8fd9\u901a\u5e38\u901a\u8fc7\u5197\u4f59\u8bbe\u8ba1\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u66f4\u9ad8\u7684SIL\u7b49\u7ea7\u901a\u5e38\u8981\u6c42\u66f4\u9ad8\u7684HFT\u3002<\/p>\n<\/p>\n<p><strong>4. 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proof test interval\uff0c \u6821\u9a8c\u5468\u671f\uff09\u3002<\/p>\n<p>\u786e\u4fdd\u6240\u9009\u53d8\u9001\u5668\u7684\u5b9e\u9645\u4f7f\u7528\u6761\u4ef6\uff08\u5982\u73af\u5883\u6e29\u5ea6\u3001\u8fc7\u7a0b\u4ecb\u8d28\uff09\u7b26\u5408\u8ba4\u8bc1\u62a5\u544a\u4e2d\u89c4\u5b9a\u7684\u6761\u4ef6\u3002<\/p>\n<\/p>\n<p>\u7b2c\u4e09\uff0c\u8003\u8651\u53d8\u9001\u5668\u7684\u8bca\u65ad\u80fd\u529b\u548c\u5197\u4f59\u914d\u7f6e\u3002<\/p>\n<p>\u5bf9\u4e8e\u9ad8SIL\u7b49\u7ea7\uff08\u5982SIL2\/SIL3\uff09\u7684\u5e94\u7528\uff0c\u901a\u5e38\u9700\u8981\u9009\u62e9\u8bca\u65ad\u8986\u76d6\u7387\uff08DC\uff09\u9ad8\u7684\u53d8\u9001\u5668\uff0c\u6216\u8005\u91c7\u7528\u5197\u4f59\u67b6\u6784\uff08\u5982oo1d, 1oo2, 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