{"id":42617,"date":"2026-06-17T23:46:52","date_gmt":"2026-06-17T15:46:52","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=42617"},"modified":"2026-06-25T22:33:50","modified_gmt":"2026-06-25T14:33:50","slug":"modbus-ea02-ultrasonic-liquid-level-sensor","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/42617.html","title":{"rendered":"MODBUS EA02 \u9632\u8150\u9632\u7206\u8d85\u58f0\u6ce2\u6db2\u4f4d\u8ba1 \u2014 5-10m\u91cf\u7a0b\/4-20mA+RS485\/Modbus+HA"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u8ff0<\/h2>\n

MODBUS EA02<\/strong> \u662f\u4e00\u6b3e\u8d85\u58f0\u6ce2\u6db2\u4f4d\u8ba1<\/strong>\uff08Ultrasonic Liquid Level Gauge\uff09\uff0c\u91c7\u7528\u975e\u63a5\u89e6\u5f0f\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u539f\u7406\uff0c\u65e0\u9700\u63a5\u89e6\u6db2\u4f53\u5373\u53ef\u6d4b\u91cf\u6db2\u4f4d\u9ad8\u5ea6\u3002\u4ea7\u54c1\u5177\u5907\u9632\u8150\u9632\u7206<\/strong>\u8bbe\u8ba1\uff0c\u9002\u7528\u4e8e\u5316\u5de5\u50a8\u7f50\u3001\u6c61\u6c34\u6c60\u3001\u6cb9\u7f50\u3001\u6c34\u5854\u7b49\u5404\u7c7b\u6db2\u4f53\u7684\u6db2\u4f4d\u76d1\u6d4b\u3002\u652f\u63014-20mA\u6a21\u62df\u91cf\u8f93\u51fa\u548cRS485 Modbus\u6570\u5b57\u8f93\u51fa\u4e24\u79cd\u65b9\u5f0f\uff0c\u53ef\u63a5\u5165PLC\u3001DCS\u6216Home Assistant\u7cfb\u7edf\u3002<\/p>\n

\u8d85\u58f0\u6ce2\u6d4b\u91cf\u539f\u7406<\/h2>\n

\u63a2\u5934\u5411\u6db2\u9762\u53d1\u5c04\u8d85\u58f0\u6ce2\u8109\u51b2\u2192\u78b0\u5230\u6db2\u9762\u53cd\u5c04\u56de\u6ce2\u2192\u63a2\u5934\u63a5\u6536\u56de\u6ce2\u2192\u6839\u636e\u58f0\u6ce2\u5f80\u8fd4\u65f6\u95f4\u00d7\u58f0\u901f\u00f72=\u8ddd\u79bb\u3002\u975e\u63a5\u89e6\u5f0f\u6d4b\u91cf\u65e0\u78e8\u635f\u3001\u65e0\u6c61\u67d3\u3001\u4e0d\u53d7\u6db2\u4f53\u8150\u8680\u6027\u5f71\u54cd\u3002<\/p>\n

\u6838\u5fc3\u53c2\u6570<\/h2>\n\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n\u6807\u51c6\u578b\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
\u91cf\u7a0b<\/td>\n5m \/ 10m<\/td>\n\u53ef\u9009\uff0c\u6839\u636e\u50a8\u7f50\u6df1\u5ea6<\/td>\n<\/tr>\n
\u7cbe\u5ea6<\/td>\n0.5% \/ 0.3%<\/td>\n\u53ef\u9009\u66f4\u9ad8\u7cbe\u5ea6\u7248\u672c<\/td>\n<\/tr>\n
\u5206\u8fa8\u7387<\/td>\n1mm \/ 0.1%<\/td>\n\u53d6\u6700\u5927\u503c<\/td>\n<\/tr>\n
\u663e\u793a<\/td>\n\u4e2d\u82f1\u6587LCD<\/td>\n\u73b0\u573a\u76f4\u63a5\u8bfb\u6570<\/td>\n<\/tr>\n
\u6a21\u62df\u8f93\u51fa<\/td>\n4-20mA\u4e8c\u7ebf\u5236<\/td>\n\u76f4\u63a5\u63a5PLC\u6a21\u62df\u91cf\u8f93\u5165<\/td>\n<\/tr>\n
\u6570\u5b57\u8f93\u51fa<\/td>\nRS485 Modbus<\/td>\n\u63a5\u5165HA\/SCADA\u7cfb\u7edf<\/td>\n<\/tr>\n<\/table>\n

\u9632\u7206\u9632\u8150\u7279\u6027<\/h2>\n

\u63a2\u5934\u6750\u8d28\u8010\u9178\u78b1\u8150\u8680\uff0c\u9002\u7528\u4e8e\u5316\u5de5\u5382\u3001\u7535\u9540\u5382\u7b49\u8150\u8680\u6027\u73af\u5883\u3002\u9632\u7206\u8ba4\u8bc1\u786e\u4fdd\u5728\u6cb9\u6c14\u3001\u5316\u5de5\u7b49\u6613\u71c3\u6613\u7206\u573a\u6240\u5b89\u5168\u4f7f\u7528\u3002<\/p>\n

HA\u96c6\u6210<\/h2>\n

\u901a\u8fc7RS485 Modbus RTU\u63a5\u5165Home Assistant\uff0c\u5728HA\u4e2d\u521b\u5efa\u6db2\u4f4d\u5b9e\u4f53\uff08sensor\uff09\uff0c\u5b9e\u65f6\u663e\u793a\u6db2\u4f4d\u9ad8\u5ea6\u548c\u767e\u5206\u6bd4\u3002\u914d\u5408\u81ea\u52a8\u5316\u89c4\u5219\u5b9e\u73b0\uff1a\u6db2\u4f4d\u4f4e\u4e8e\u4e0b\u9650\u2192\u81ea\u52a8\u542f\u52a8\u8865\u6c34\u6cf5\uff1b\u6db2\u4f4d\u9ad8\u4e8e\u4e0a\u9650\u2192\u505c\u6b62\u8865\u6c34\u5e76\u62a5\u8b66\u3002<\/p>\n

\n

\ud83d\uded2 \u8d2d\u4e70\u4e0e\u54a8\u8be2<\/h2>\n

\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

\ud83d\udccd \u83ab\u5fb7\u5df4\u65af\u667a\u80fd<\/strong> | \u4e2d\u56fd\u91cd\u5e86\u6c5f\u5317\u89c2\u97f3\u6865\u6717\u6674\u5e7f\u573aA\u585412\u697c
\n\ud83d\udcde \u7535\u8bdd\uff1a+86-023-65218879 | \u503c\u73ed\u624b\u673a\uff1a+86-17723047591
\n\ud83d\udce7 \u90ae\u7bb1\uff1aadmin@modbus.com | \ud83c\udf10 \u5b98\u7f51\uff1awww.modbus.cn<\/a>
\n\ud83d\udcf1 \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u641c\u7d22 \u300cmodbus\u8c03\u8bd5\u52a9\u624b\u300d<\/strong> \u4e86\u89e3\u66f4\u591a\u4ea7\u54c1\u4fe1\u606f<\/p>\n<\/span>","protected":false},"excerpt":{"rendered":"

MODBUS EA02 \u6db2\u4f4d\u8ba1 \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":[2089],"tags":[690,649,1775,1727],"class_list":["post-42617","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shuomingshu","tag-modbus-protocol","tag-rs-485","tag-1775","tag-1727"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/42617","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=42617"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/42617\/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=42617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=42617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=42617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}