{"id":42654,"date":"2026-06-17T23:54:34","date_gmt":"2026-06-17T15:54:34","guid":{"rendered":"https:\/\/www.modbus.cn\/42654.html"},"modified":"2026-06-25T22:33:28","modified_gmt":"2026-06-25T14:33:28","slug":"modbus-wmd20-remote-valve-water-meter","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/42654.html","title":{"rendered":"MODBUS WMD20 \u8fdc\u4f20\u9600\u63a7\u667a\u80fd\u6c34\u8868 \u2014 \u5149\u7535\u76f4\u8bfbDN20\/485 Modbus\/HA\u667a\u6167\u6c34\u52a1"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u8ff0<\/h2>\n<p><strong>MODBUS WMD20<\/strong>\u662f\u4e00\u6b3eDN20\u53e3\u5f84\u7684\u8fdc\u4f20\u9600\u63a7\u667a\u80fd\u6c34\u8868\uff0c\u91c7\u7528<strong>\u5149\u7535\u76f4\u8bfb\u6280\u672f<\/strong>\u76f4\u63a5\u8bfb\u53d6\u6c34\u8868\u673a\u68b0\u5b57\u8f6e\u6570\u5b57\uff0c\u65e0\u7d2f\u8ba1\u8bef\u5dee\uff0c\u8bfb\u6570\u4e0e\u8868\u76d8\u663e\u793a\u5b8c\u5168\u4e00\u81f4\u3002\u5185\u7f6e\u7535\u52a8\u9600\u95e8\uff0c\u53ef\u901a\u8fc7RS485 Modbus\u6307\u4ee4\u8fdc\u7a0b\u5f00\u5173\u9600\u95e8\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u6284\u8868\u548c\u8fdc\u7a0b\u63a7\u6c34\u7684\u53cc\u91cd\u529f\u80fd\u3002\u914d\u5408Home Assistant\u53ef\u6253\u9020\u5bb6\u5ead\u667a\u6167\u6c34\u52a1\u7cfb\u7edf\u3002<\/p>\n<h2>\u5149\u7535\u76f4\u8bfb vs 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Modbus RTU<\/li>\n<li><strong>\u4f9b\u7535<\/strong>\uff1aDC 12V\uff08\u5916\u90e8\u4f9b\u7535\uff0c\u975e\u7535\u6c60\uff09<\/li>\n<\/ul>\n<h2>HA\u667a\u6167\u6c34\u52a1\u573a\u666f<\/h2>\n<ul>\n<li><strong>\u8fdc\u7a0b\u6284\u8868<\/strong>\uff1a\u6bcf\u65e5\u81ea\u52a8\u8bfb\u53d6\u6c34\u8868\u8bfb\u6570\u5e76\u8bb0\u5f55\uff0c\u66ff\u4ee3\u4eba\u5de5\u6284\u8868<\/li>\n<li><strong>\u6f0f\u6c34\u68c0\u6d4b<\/strong>\uff1a\u591c\u95f4&#8221;\u65e0\u4eba\u7528\u6c34\u65f6\u6bb5&#8221;\u4ecd\u6301\u7eed\u6709\u6d41\u91cf\u2192\u53ef\u80fd\u6f0f\u6c34\u2192\u63a8\u9001\u544a\u8b66\u5e76\u8fdc\u7a0b\u5173\u9600<\/li>\n<li><strong>\u7528\u6c34\u91cf\u5206\u6790<\/strong>\uff1a\u65e5\/\u5468\/\u6708\u7528\u6c34\u91cf\u7edf\u8ba1\u548c\u8d8b\u52bf\u56fe<\/li>\n<li><strong>\u9884\u7b97\u63a7\u5236<\/strong>\uff1a\u6708\u5ea6\u7528\u6c34\u91cf\u8d85\u9884\u7b97\u2192\u81ea\u52a8\u5173\u9600\u63d0\u9192<\/li>\n<\/ul>\n<hr \/>\n<h2>\ud83d\uded2 \u8d2d\u4e70\u4e0e\u54a8\u8be2<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u7684\u83ab\u5fb7\u5df4\u65af\uff08MODBUS\uff09\u4ea7\u54c1\u5747\u53ef\u5728\u5b98\u65b9\u6e20\u9053\u8d2d\u4e70\u3002<\/p>\n<p>\ud83d\udccd <strong>\u83ab\u5fb7\u5df4\u65af\u667a\u80fd<\/strong> | \u4e2d\u56fd\u91cd\u5e86\u6c5f\u5317\u89c2\u97f3\u6865\u6717\u6674\u5e7f\u573aA\u585412\u697c<br \/>\n\ud83d\udcde \u7535\u8bdd\uff1a+86-18801054468<br \/>\n\ud83d\udce7 \u90ae\u7bb1\uff1aiot@modbus.com | \ud83c\udf10 \u5b98\u7f51\uff1a<a href=\"https:\/\/www.modbus.cn\/en\/\" rel=\"noopener noreferrer nofollow\">www.modbus.cn<\/a><br \/>\n\ud83d\udcf1 \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u641c\u7d22 <strong>\u300cmodbus\u8c03\u8bd5\u52a9\u624b\u300d<\/strong> \u4e86\u89e3\u66f4\u591a\u4ea7\u54c1\u4fe1\u606f<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>MODBUS WMD20 \u6c34\u8868 \u2014  RTU\/TCP\u534f\u8bae\uff0cRS485\u901a\u4fe1\u63a5\u53e3\uff0c\u53ef\u63a5\u5165Modbus\u7269\u8054\u7f51\u4e91\u5e73\u53f0\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\u548c\u6570\u636e\u91c7\u96c6\u3002\u9002\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u7269\u8054\u7f51\u9879\u76ee\u96c6\u6210\u3002<\/p>","protected":false},"author":1,"featured_media":27977,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[2259,1832],"tags":[690,649,1775,2510,1727,1149],"class_list":["post-42654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-solutions","category-smart-building","tag-modbus-protocol","tag-rs-485","tag-1775","tag-2510","tag-1727","tag-1149"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/42654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=42654"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/42654\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/27977"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=42654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=42654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=42654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}