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FB<\/strong>\u529f\u80fd\u6a21\u5757\u5b9a\u4e49<\/strong>(Definition)<\/strong><\/p>\n \u529f\u80fd\u5757\u662f\u903b\u8f91\u5757\uff0c\u5305\u542b\u7a0b\u5e8f\u90e8\u5206\uff0c\u5e76\u4e14\u6709\u4e00\u4e2a\u5185\u5b58\u533a\u57df\u63f4\u5f15\u6d3e\u7ed9\u5b83\u3002\u65e0\u8bba\u4f55\u65f6FB\u88ab\u8c03\u7528\uff0c\u5fc5\u987b\u7ed9\u5b83\u6307\u5b9a\u4e00\u4e2a\u5b9e\u4f8b\u6570\u636e\u5757\u3002\u5f53\u5b9a\u4e49FB\u7684\u58f0\u660e\u90e8\u5206\u65f6\uff0c\u5c31\u8bf4\u660e\u4e86\u5b9e\u4f8b\u6570\u636e\u5757\u7684\u7ed3\u6784\u3002<\/p>\n \u8fd9\u4e2a\u529f\u80fd\u5757\u53ef\u4ee5\u7406\u89e3\u6210\u9ad8\u7ea7\u8bed\u8a00\u4e2d\u7684\u51fd\u6570\u5427\uff0c\u4f46\u4e0e\u9ad8\u7ea7\u8bed\u8a00\u4e2d\u7684\u51fd\u6570\u53c8\u6709\u4e00\u5b9a\u7684\u533a\u522b\u3002\u5728\u9ad8\u7ea7\u8bed\u8a00\u4e2d\u7684\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u5185\u90e8\u53d8\u91cf\u7684\u503c\uff0c\u9700\u8981\u5728\u51fd\u6570\u5185\u8fdb\u884c\u521d\u59cb\u5316\u6216\u8d4b\u503c\uff0c\u968f\u7740\u51fd\u6570\u6267\u884c\u5b8c\u540e\u662f\u4e0d\u4f1a\u4fdd\u7559\u5230\u4e0b\u4e00\u6b21\u8c03\u7528\u7684\u3002\u800c\u5728SCL\u7684\u529f\u80fd\u6a21\u5757\u4e2d\u5b9a\u4e49\u7684VAR\u578b\u53d8\u91cf\u7684\u503c\u4f1a\u4e00\u76f4\u5b58\u5728\uff0c\u8fd9\u4e9b\u53d8\u91cf\uff08\u9664VAR_TEMP\u578b\u53d8\u91cf\u5916\u7684\u6240\u6709\u53d8\u91cf\uff09\u4f1a\u5728\u7f16\u8bd1\u540e\u81ea\u52a8\u51fa\u73b0\u5728\u8be5\u529f\u80fd\u5757\u80cc\u666f\u6570\u636e\u5757\uff08DB\u5757\uff09\u4e2d\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u663e\u5f0f\u7684\u5728SCL\u6e90\u4ee3\u7801\u4e2d\u58f0\u660e\u8fd9\u4e2aDB\u5757\u5e76\u521d\u59cb\u5316\u8fd9\u4e9b\u53d8\u91cf\u7684\u503c\u3002\u5f53\u4e3a\u8fd9\u4e2aFB\u5757\u5b9a\u4e49\u591a\u4e2aDB1\u3001DB2\u2026\u2026DBn\u65f6\uff0c\u8fd9\u65f6\u8fd9\u4e2aFB\u5757\u5c31\u6709\u4e86\u591a\u91cd\u80cc\u666f\u6570\u636e\u4e86\u3002FB\u5757\u7684\u8c03\u52a8\u4e5f\u5f88\u6709\u610f\u601d\uff0c\u521a\u5f00\u59cb\u5b66\u4e60\u7684\u65f6\u5019\u8fd8\u5728\u7eb3\u95f7\u600e\u4e48FB\u5757\u7684\u8c03\u7528\u540e\u8fd8\u8ddf\u7740\u4e2aDBn\uff0c\u90fd\u4e0d\u77e5\u9053\u662f\u54ea\u6765\u7684\uff0c\u73b0\u5728\u77e5\u9053\u4e86\u662f\u81ea\u52a8\u751f\u6210\u7684\u3002\u5bf9\u4e0d\u540cDB\u5757\u4e2d\u7684\u53d8\u91cf\u8d4b\u4e0d\u540c\u7684\u503c\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u8ba1\u7b97\u529f\u80fd\u3002\u5177\u4f53\u7684\u5e94\u7528\u8bf7\u770b\u4e0b\u9762\u7684S7-SCL\u6e90\u4ee3\u7801\uff1a<\/p>\n \u524d\u6bb5\u65f6\u95f4\u56e0\u5de5\u4f5c\u9700\u8981\uff0c\u88ab\u5b89\u6392\u8fdb\u884c\u897f\u95e8\u5b50PLC\u7684\u7ef4\u62a4\u3002\u4ee5\u524d\u5728\u5355\u4f4d\u662f\u505a\u8ba1\u7b97\u673a\u7f51\u7edc\u7ef4\u62a4\u548c\u8f6f\u4ef6\u5f00\u53d1\u7684\uff0c\u8ddf\u8fd9\u4e2a\u81ea\u52a8\u63a7\u5236\u5b8c\u5168 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[54,55],"class_list":["post-954","post","type-post","status-publish","format-standard","hentry","category-program","tag-s7-scl","tag-plc"],"_links":{"self":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=954"}],"version-history":[{"count":0,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/954\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=954"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}ORGANIZATION_BLOCK OB1\r\n\r\nTITLE = '\u529f\u80fd\u5757\u591a\u91cd\u80cc\u666f\u6570\u636e\u7684\u8c03\u7528\u4e3e\u4f8b'\r\n\/\/\r\n\/\/ Block Comment...\r\n\/\/\r\nVERSION: '1.0'\r\nAUTHOR: www.tansoo.cn\r\nNAME: BG6RSH\r\nFAMILY: Family\r\n\r\nVAR_TEMP\r\n \/\/ Reserved\r\n info : ARRAY[0..19] OF BYTE;\r\n \/\/ Temporary Variables\r\n i_IN : INT;\r\nEND_VAR\r\n\r\n \/\/ Statement\r\n i_IN := WORD_TO_INT(MW100); \/\/ 0-100% \u9600\u95e8\u5f00\u5ea6\r\n \r\n IF i_IN>50 THEN \/\/ \u901a\u8fc7\u9600\u95e8\u5f00\u5ea6\u7684\u4e0d\u540c\uff0c\u8c03\u7528\u4e0d\u540c\u7684\u80cc\u666f\u6570\u636e\u5b9e\u73b0\u4e0d\u540c\u7684\u63a7\u5236\u529f\u80fd\r\n FB1.DB1(SET_KAIDU := i_IN \/\/ INOUT: WORD\r\n );\r\n ELSE\r\n FB1.DB2(SET_KAIDU := i_IN \/\/ INOUT: WORD\r\n ); \r\n END_IF;\r\n \r\n MW102 := INT_TO_WORD(DB2.REL_KAIDU); \/\/ OUT: WORD \u9600\u95e8\u5f00\u5ea6\u8fd4\u56de\u503cDB1.REL_KAIDU\u6216DB2.REL_KAIDU\u90fd\u53ef\u4ee5\r\nEND_ORGANIZATION_BLOCK\r\n\r\nFUNCTION_BLOCK FB1\r\nTITLE = '\u8bbe\u7f6e\u9600\u95e8\u5f00\u5ea6\uff0c\u5e76\u83b7\u5f97\u5b9e\u65f6\u8fd4\u56de\u503c'\r\n\r\n\/\/ Block Parameters\r\nVAR_INPUT\r\n \/\/ Input Parameters\r\n\r\nEND_VAR\r\n\r\nVAR_IN_OUT\r\n \/\/ I\/O Parameters\r\n SET_KAIDU: INT := 0; \/\/\"\u8bbe\u7f6e\u5f00\u5ea6\" 0-100%\r\nEND_VAR\r\n\r\nVAR_OUTPUT\r\n \/\/ Output Parameters\r\n REL_KAIDU: INT := 0; \/\/\"\u5b9e\u9645\u5f00\u5ea6\u8fd4\u56de\u503c\" 0-100%\r\nEND_VAR\r\n\r\nVAR_TEMP\r\n \/\/ Temporary Variables\r\n\r\nEND_VAR\r\nVAR\r\n \/\/ Static Variables\r\n ZXQ_MAX : BYTE;\r\nEND_VAR\r\n\r\n \/\/ Statement Section\r\n PQW272 := DINT_TO_WORD(trunc(SET_KAIDU*276.48)); \/\/\u5c06\u9600\u95e8\u5f00\u5ea6\u767e\u5206\u6bd4\u6362\u7b97\u4e3a4-20mA\u7684AO\u503c\r\n REL_KAIDU := DINT_TO_INT(trunc(WORD_TO_INT(PIW296)\/276.48)); \/\/\u5c064-20mA\u7684AI\u503c\u6362\u7b97\u4e3a\u9600\u95e8\u5f00\u5ea6\u767e\u5206\u6bd4\r\n QB12 := ZXQ_MAX; \/\/ \u8c03\u7528\u4e0d\u540c\u7684\u80cc\u666f\u6570\u636e\uff0cZXQ_MAX\u503c\u4f1a\u6839\u636e\u80cc\u666f\u6570\u636e\u7684\u521d\u59cb\u503c\u800c\u53d8\u5316\r\nEND_FUNCTION_BLOCK\r\n\r\n\r\n\r\nDATA_BLOCK DB1 FB1 \/\/ \u529f\u80fd\u5757FB1\u7684\u80cc\u666f\u6570\u636e1\r\n\/\/\r\n\/\/ Block Comment...\r\n\/\/\r\nBEGIN\r\n ZXQ_MAX := B#16#0F; \/\/ \u521d\u59cb\u5316\r\nEND_DATA_BLOCK\r\n\r\nDATA_BLOCK DB2 FB1 \/\/ \u529f\u80fd\u5757FB1\u7684\u80cc\u666f\u6570\u636e2\r\n\/\/\r\n\/\/ Block Comment...\r\n\/\/\r\nBEGIN\r\n ZXQ_MAX := B#16#F0; \/\/ \u521d\u59cb\u5316\r\nEND_DATA_BLOCK<\/pre>\n","protected":false},"excerpt":{"rendered":"