\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u529f\u80fd\u5b89\u5168\u9886\u57df\uff0cSIL 2\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u4ee3\u8868\u7740\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Safety Integrity Level\uff09\u4e2d\u7684\u7b2c\u4e8c\u7ea7<\/p>\n<\/p>\n
\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08SIL\uff09\u662f\u6839\u636e\u56fd\u9645\u6807\u51c6IEC 61508\u548cIEC 61511\u5b9a\u4e49\u7684\u4e00\u79cd\u8861\u91cf\u5b89\u5168\u7cfb\u7edf\u6027\u80fd\u7684\u6307\u6807\uff0c\u7528\u4e8e\u8bc4\u4f30\u5b89\u5168\u76f8\u5173\u7cfb\u7edf\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u6267\u884c\u5176\u5b89\u5168\u529f\u80fd\u7684\u53ef\u9760\u6027<\/p>\n<\/p>\n
SIL\u7b49\u7ea7\u5206\u4e3a\u56db\u4e2a\u7ea7\u522b\uff0c\u4eceSIL 1\u5230SIL 4\uff0c\u5176\u4e2dSIL 1\u4e3a\u6700\u4f4e\u7b49\u7ea7\uff0cSIL 4\u4e3a\u6700\u9ad8\u7b49\u7ea7\uff0c\u6bcf\u4e2a\u7b49\u7ea7\u5bf9\u5e94\u7740\u4e0d\u540c\u7684\u98ce\u9669\u964d\u4f4e\u8981\u6c42\u548c\u6982\u7387\u76ee\u6807<\/p>\n<\/p>\n
SIL 2\u7684\u5b9a\u4e49\u4e0e\u6838\u5fc3\u8981\u6c42<\/strong><\/p>\n SIL 2 specifically refers to a moderate level of risk reduction, typically required for systems where the consequences of failure could be significant but not catastrophic<\/p>\n<\/p>\n \u8981\u8fbe\u5230SIL 2\u8ba4\u8bc1\uff0c\u4e00\u4e2a\u5b89\u5168\u7cfb\u7edf\u5fc5\u987b\u6ee1\u8db3\u4e00\u7cfb\u5217\u4e25\u683c\u7684\u8981\u6c42\uff0c\u5305\u62ec\u786c\u4ef6\u5b89\u5168\u5b8c\u6574\u6027\uff08Hardware Safety Integrity\uff09\u548c\u7cfb\u7edf\u5b89\u5168\u5b8c\u6574\u6027\uff08Systematic Safety Integrity\uff09\u4e24\u4e2a\u65b9\u9762<\/p>\n<\/p>\n \u5728\u786c\u4ef6\u65b9\u9762\uff0c\u5b83\u8981\u6c42\u7cfb\u7edf\u7684\u5371\u9669\u5931\u6548\u6982\u7387\uff08Probability of Dangerous Failure per Hour \u2013 PFH\uff09\u572810^{-7}\u523010^{-6}\u4e4b\u95f4\uff0c\u8fd9\u610f\u5473\u7740\u7cfb\u7edf\u5728\u6bcf\u5c0f\u65f6\u8fd0\u884c\u4e2d\u53d1\u751f\u5371\u9669\u5931\u6548\u7684\u6982\u7387\u6781\u4f4e<\/p>\n<\/p>\n \u5728\u7cfb\u7edf\u65b9\u9762\uff0c\u5b83\u8981\u6c42\u5728\u6574\u4e2a\u751f\u547d\u5468\u671f\u5185\uff0c\u4ece\u8bbe\u8ba1\u3001\u5b9e\u65bd\u3001\u5b89\u88c5\u3001\u64cd\u4f5c\u5230\u7ef4\u62a4\uff0c\u90fd\u9075\u5faa\u4e25\u683c\u7684\u6d41\u7a0b\u548c\u6807\u51c6\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u6027\u5931\u6548\u5f97\u5230\u6709\u6548\u63a7\u5236<\/p>\n<\/p>\n SIL 2\u7684\u5e94\u7528\u573a\u666f<\/strong><\/p>\n SIL 2\u7b49\u7ea7\u7684\u5b89\u5168\u7cfb\u7edf\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5de5\u4e1a\u9886\u57df\uff0c\u5305\u62ec\u8fc7\u7a0b\u5de5\u4e1a\u3001\u5236\u9020\u4e1a\u3001\u8f68\u9053\u4ea4\u901a\u4ee5\u53ca\u673a\u68b0\u8bbe\u5907\u7b49<\/p>\n<\/p>\n \u4f8b\u5982\uff0c\u5728\u5316\u5de5\u5382\u4e2d\uff0c\u4e00\u4e2a\u7d27\u6025\u505c\u8f66\u7cfb\u7edf\uff08ESD\uff09\u6216\u4e00\u4e2a\u71c3\u70e7\u5668\u7ba1\u7406\u7cfb\u7edf\uff08BMS\uff09\u53ef\u80fd\u88ab\u8981\u6c42\u8fbe\u5230SIL 2\u7b49\u7ea7\uff0c\u4ee5\u786e\u4fdd\u5728\u68c0\u6d4b\u5230\u5371\u9669\u6761\u4ef6\u65f6\u80fd\u591f\u5b89\u5168\u5730\u5173\u95ed\u8fc7\u7a0b\uff0c\u9632\u6b62\u4e8b\u6545\u53d1\u751f<\/p>\n<\/p>\n \u5728\u673a\u68b0\u8bbe\u5907\u9886\u57df\uff0c\u8bf8\u5982\u5b89\u5168\u8054\u9501\u88c5\u7f6e\u6216\u5149\u5e55\u7b49\u9632\u62a4\u8bbe\u5907\u4e5f\u5e38\u5e38\u8bbe\u8ba1\u4e3a\u6ee1\u8db3SIL 2\u8981\u6c42\uff0c\u4e3a\u64cd\u4f5c\u4eba\u5458\u63d0\u4f9b\u53ef\u9760\u7684\u4fdd\u62a4<\/p>\n<\/p>\n \u5982\u4f55\u5b9e\u73b0SIL 2\u8ba4\u8bc1<\/strong><\/p>\n \u5b9e\u73b0\u4e00\u4e2a\u7cfb\u7edf\u6216\u5143\u4ef6\u8fbe\u5230SIL 2\u7b49\u7ea7\u662f\u4e00\u4e2a\u590d\u6742\u4e14\u8017\u65f6\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u9075\u5faaIEC 61508\u6807\u51c6\u4e2d\u6982\u8ff0\u7684\u6574\u4e2a\u5b89\u5168\u751f\u547d\u5468\u671f<\/p>\n<\/p>\n \u8fd9\u4e2a\u8fc7\u7a0b\u901a\u5e38\u59cb\u4e8e\u5371\u5bb3\u548c\u98ce\u9669\u5206\u6790\uff08Hazard and Risk Analysis\uff09\uff0c\u4ee5\u786e\u5b9a\u9700\u8981\u591a\u9ad8\u7684SIL\u7b49\u7ea7\u6765\u5c06\u98ce\u9669\u964d\u4f4e\u5230\u53ef\u63a5\u53d7\u7684\u6c34\u5e73<\/p>\n<\/p>\n \u968f\u540e\u662f\u5b89\u5168\u9700\u6c42\u89c4\u683c\uff08Safety Requirements Specification\uff09\u7684\u5236\u5b9a\uff0c\u660e\u786e\u7cfb\u7edf\u5fc5\u987b\u5b9e\u73b0\u7684\u5b89\u5168\u529f\u80fd\u53ca\u5176\u76ee\u6807SIL\u7b49\u7ea7<\/p>\n<\/p>\n \u5728\u8bbe\u8ba1\u548c\u5f00\u53d1\u9636\u6bb5\uff0c\u5fc5\u987b\u91c7\u7528\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u6280\u672f\u548c\u7ec4\u4ef6\uff0c\u5e76\u8fdb\u884c\u8be6\u7ec6\u7684\u5931\u6548\u6a21\u5f0f\u4e0e\u5f71\u54cd\u5206\u6790\uff08FMEA\uff09\u548c\u6545\u969c\u6811\u5206\u6790\uff08FTA\uff09\uff0c\u4ee5\u8bc4\u4f30\u548c\u4f18\u5316\u7cfb\u7edf\u7684\u53ef\u9760\u6027<\/p>\n<\/p>\n \u6700\u540e\uff0c\u8fd8\u9700\u8981\u8fdb\u884c\u5168\u9762\u7684\u6d4b\u8bd5\u3001\u9a8c\u8bc1\u548c\u786e\u8ba4\uff0c\u5e76\u5efa\u7acb\u5b8c\u5584\u7684\u64cd\u4f5c\u548c\u7ef4\u62a4\u89c4\u7a0b\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u5728\u6574\u4e2a\u751f\u547d\u5468\u671f\u5185\u6301\u7eed\u6ee1\u8db3SIL 2\u7684\u8981\u6c42<\/p>\n<\/p>\n SIL 2\u4e0e\u5176\u4ed6SIL\u7b49\u7ea7\u7684\u533a\u522b<\/strong><\/p>\n \u4e0eSIL 1\u76f8\u6bd4\uff0cSIL 2\u5bf9\u7cfb\u7edf\u7684\u67b6\u6784\u7ea6\u675f\u3001\u8bca\u65ad\u8986\u76d6\u7387\u4ee5\u53ca\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09\u7684\u8981\u6c42\u66f4\u4e3a\u4e25\u683c<\/p>\n<\/p>\n \u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2aSIL 2\u7684\u7cfb\u7edf\uff0c\u53ef\u80fd\u8981\u6c42\u5176\u5177\u6709\u66f4\u9ad8\u7684\u8bca\u65ad\u8986\u76d6\u7387\uff0c\u4ee5\u4fbf\u80fd\u591f\u68c0\u6d4b\u5230\u66f4\u591a\u7684\u6f5c\u5728\u6545\u969c\uff0c\u5e76\u53ca\u65f6\u91c7\u53d6\u5b89\u5168\u63aa\u65bd<\/p>\n<\/p>\n \u800c\u4e0eSIL 3\u6216SIL 4\u76f8\u6bd4\uff0cSIL 2\u7684\u8981\u6c42\u5219\u76f8\u5bf9\u8f83\u4f4e\uff0c\u540e\u8005\u901a\u5e38\u7528\u4e8e\u4fdd\u62a4\u529f\u80fd\u5931\u6548\u53ef\u80fd\u5bfc\u81f4\u707e\u96be\u6027\u540e\u679c\uff08\u5982\u591a\u4eba\u4f24\u4ea1\uff09\u7684\u8d85\u9ad8\u98ce\u9669\u573a\u5408\uff0c\u56e0\u6b64\u5bf9\u5197\u4f59\u3001\u591a\u6837\u6027\u548c\u72ec\u7acb\u6027\u7684\u8981\u6c42\u8fd1\u4e4e\u82db\u523b<\/p>\n<\/p>\n \u9009\u62e9SIL 2\u7ec4\u4ef6\u4e0e\u7cfb\u7edf\u7684\u8003\u91cf\u56e0\u7d20<\/strong><\/p>\n \u5728\u4e3a\u7279\u5b9a\u5e94\u7528\u9009\u62e9SIL 2\u8ba4\u8bc1\u7684\u4ea7\u54c1\u6216\u7cfb\u7edf\u65f6\uff0c\u5de5\u7a0b\u5e08\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20<\/p>\n<\/p>\n \u9996\u5148\uff0c\u5fc5\u987b\u786e\u4fdd\u6240\u9009\u4ea7\u54c1\u5177\u6709\u7531\u6743\u5a01\u8ba4\u8bc1\u673a\u6784\uff08\u5982T\u00dcV\uff09\u9881\u53d1\u7684\u6b63\u5f0fSIL\u8bc1\u4e66\uff0c\u8bc1\u660e\u5176\u786e\u5b9e\u7b26\u5408IEC 61508\u6807\u51c6\u4e2d\u5bf9\u4e8eSIL 2\u7684\u8981\u6c42<\/p>\n<\/p>\n \u5176\u6b21\uff0c\u9700\u8981\u8003\u8651\u4ea7\u54c1\u7684\u5b9e\u9645\u6027\u80fd\u53c2\u6570\uff0c\u5982PFH\u503c\u3001\u5b89\u5168\u5931\u6548\u5206\u6570\uff08SFF\uff09\u548c\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09\uff0c\u786e\u4fdd\u5b83\u4eec\u4e0e\u5e94\u7528\u7684\u9700\u6c42\u76f8\u5339\u914d<\/p>\n<\/p>\n \u6b64\u5916\uff0c\u4f9b\u5e94\u5546\u7684\u652f\u6301\u80fd\u529b\u3001\u4ea7\u54c1\u7684\u53ef\u7528\u6027\u4ee5\u53ca\u751f\u547d\u5468\u671f\u6210\u672c\u4e5f\u662f\u91cd\u8981\u7684\u51b3\u7b56\u4f9d\u636e<\/p>\n<\/p>\n \u603b\u7ed3<\/strong><\/p>\n \u603b\u800c\u8a00\u4e4b\uff0cSIL 2\u662f\u529f\u80fd\u5b89\u5168\u4f53\u7cfb\u4e2d\u4e00\u4e2a\u627f\u4e0a\u542f\u4e0b\u7684\u5173\u952e\u7b49\u7ea7\uff0c\u5b83\u4e3a\u4f17\u591a\u5de5\u4e1a\u5e94\u7528\u63d0\u4f9b\u4e86\u53ef\u9760\u4e14\u7ecf\u6d4e\u9ad8\u6548\u7684\u5b89\u5168\u4fdd\u969c\u65b9\u6848<\/p>\n<\/p>\n \u7406\u89e3\u548c\u6b63\u786e\u5e94\u7528SIL 2\u6982\u5ff5\uff0c\u5bf9\u4e8e\u8bbe\u8ba1\u3001\u64cd\u4f5c\u548c\u7ef4\u62a4\u5b89\u5168\u76f8\u5173\u7684\u63a7\u5236\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\uff0c\u662f\u786e\u4fdd\u4eba\u5458\u3001\u8bbe\u5907\u548c\u73af\u5883\u5b89\u5168\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u73af<\/p>\n<\/p>\n \u514d\u8d23\u58f0\u660e\uff1a\u4ec5\u4f9b\u53c2\u8003\uff0c\u672c\u6587\u4f5c\u8005\u53ca\u53d1\u5e03\u5e73\u53f0\u4e0d\u627f\u62c5\u56e0\u53c2\u8003\u672c\u6587\u5185\u5bb9\u800c\u4ea7\u751f\u7684\u4efb\u4f55\u8d23\u4efb<\/p>\n","protected":false},"excerpt":{"rendered":" \u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u529f\u80fd\u5b89\u5168\u9886\u57df\uff0cSIL 2\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u4ee3\u8868\u7740\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Safety Integr […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[180],"class_list":["post-3749","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-sil-2"],"_links":{"self":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts\/3749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3749"}],"version-history":[{"count":0,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts\/3749\/revisions"}],"wp:attachment":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}