{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finstant.engineer%2Fentry%2Fmodbus\" title=\"Modbus\u3068\u306f\uff1fRTU\u3068TCP\u306e\u9055\u3044\u3092\u89e3\u8aac - Instant Engineering\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u60c5\u5831\u51e6\u7406","\u60c5\u5831\u51e6\u7406-\u7523\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af"],"width":"100%","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/y/yuinomi/20260511/20260511215340.png","provider_name":"Hatena Blog","blog_url":"https://instant.engineer/","author_url":"https://blog.hatena.ne.jp/yuinomi/","published":"2026-05-11 21:54:32","type":"rich","blog_title":"Instant Engineering","provider_url":"https://hatena.blog","title":"Modbus\u3068\u306f\uff1fRTU\u3068TCP\u306e\u9055\u3044\u3092\u89e3\u8aac","url":"https://instant.engineer/entry/modbus","height":"190","author_name":"yuinomi","description":"\u5de5\u5834\u8a2d\u5099\u306e\u7acb\u3061\u4e0a\u3052\u3067\u3001\u6e29\u8abf\u5668\u3084\u30a4\u30f3\u30d0\u30fc\u30bf\u3001\u96fb\u529b\u8a08\u3092PLC\u306b\u3064\u306a\u3054\u3046\u3068\u3057\u305f\u3068\u304d\u3001\u300cModbus\u5bfe\u5fdc\u300d\u3068\u66f8\u304b\u308c\u3066\u3044\u3066\u6238\u60d1\u3063\u305f\u7d4c\u9a13\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 Modbus\u306f\u7523\u696d\u6a5f\u5668\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u304c\u3001\u5b9f\u52d9\u3067\u306f\u300cRTU\u3068TCP\u306e\u9055\u3044\u300d\u300cRS-485\u306e\u914d\u7dda\u300d\u300c\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u300d\u300c\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u300d\u3067\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u3067\u3059\u3002 Modbus\u3068\u306f\u3001PLC\u3084\u30de\u30a4\u30b3\u30f3\u3001\u30bb\u30f3\u30b5\u3001\u8a08\u6e2c\u5668\u306a\u3069\u304c\u3001\u6c7a\u3081\u3089\u308c\u305f\u5f62\u5f0f\u3067\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u305f\u3081\u306e\u7523\u696d\u7528\u901a\u4fe1\u30eb\u30fc\u30eb\u3067\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001Modbus\u306e\u57fa\u672c\u304b\u3089\u3001Modbus RTU\u3068Modbus TCP\u306e\u9055\u3044\u3001\u901a\u4fe1\u306e\u4ed5\u7d44\u307f\u3001\u30ec\u30b8\u30b9\u30bf\u306e\u8aad\u307f\u65b9\u3001\u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u307e\u3067\u3092\u5b9f\u52d9\u76ee\u7dda\u3067\u89e3\u2026"}