{"id":100207,"date":"2023-12-05T17:42:50","date_gmt":"2023-12-05T09:42:50","guid":{"rendered":"https:\/\/www.optcore.net\/difference-between-rs-232-rs-422-and-rs-485\/"},"modified":"2023-12-05T18:12:24","modified_gmt":"2023-12-05T10:12:24","slug":"difference-between-rs-232-rs-422-and-rs-485","status":"publish","type":"post","link":"https:\/\/www.optcore.net\/ja\/difference-between-rs-232-rs-422-and-rs-485\/","title":{"rendered":"RS-232 vs RS-422 vs RS-485\u3001\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"\n<p><em>\u521d\u7248:2018 \u5e74 10 \u6708 7 \u65e5<\/em><\/p>\n\n<p>\u4eca\u65e5\u306e\u591a\u304f\u306e\u82e5\u8005\u306b\u3068\u3063\u3066\u3001\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306f\u6642\u4ee3\u9045\u308c\u306e\u7528\u8a9e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u3057\u304b\u3057\u3001\u4eca\u65e5\u3067\u306f\u3001RS-232\u3001RS-422\u3001RS-485\u306a\u3069\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u898f\u683c\u306e\u3044\u304f\u3064\u304b\u304c\u3001\u7523\u696d\u7528\u901a\u4fe1\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u521d\u5fc3\u8005\u304c\u3053\u308c\u3089\u306e\u57fa\u6e96\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3088\u3046\u306b\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3057\u305f\u3002 \u305d\u3057\u3066\u3001\u305d\u308c\u3089\u3092\u8a73\u7d30\u306b\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u9055\u3044\u3092\u8a8d\u8b58\u3057\u307e\u3059\u3002<\/p>\n\n<p>\u305d\u308c\u3067\u306f\u3001\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<p><strong>\u76ee\u6b21<\/strong><\/p>\n\n<ul style=\"background-color:#f9f7f7\" class=\"has-background wp-block-list\">\n<li><a href=\"#what-is-rs232\">RS-232\u3068\u306f?<\/a><\/li>\n\n\n\n<li><a href=\"#rs232-feature\">RS-232\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u3069\u3046\u3067\u3059\u304b?<\/a><\/li>\n\n\n\n<li><a href=\"#what-is-rs485\">RS-485\u3068\u306f?<\/a><\/li>\n\n\n\n<li><a href=\"#rs485-feature\">RS422\u306e\u6a5f\u80fd\u306f\u3069\u3046\u3067\u3059\u304b?<\/a><\/li>\n\n\n\n<li><a href=\"#rs422-vs-rs-485\">RS422\u3068RS-485\u306e\u6bd4\u8f03<\/a><\/li>\n\n\n\n<li><a href=\"#what-is-rs423\">RS-423\u3068\u306f?<\/a><\/li>\n\n\n\n<li><a title=\"&#x30A8;&#x30C3;&#x30B8;&#x30B3;&#x30F3;&#x30D4;&#x30E5;&#x30FC;&#x30C6;&#x30A3;&#x30F3;&#x30B0;&#x306E;&#x30C7;&#x30E1;&#x30EA;&#x30C3;&#x30C8;\" href=\"#Disadvantages%20of%20Edge%20Computing\">RS-232\u3068RS-422\u3068RS-485\u306e\u6bd4\u8f03<\/a><\/li>\n\n\n\n<li><a href=\"#faq\">\u3088\u304f\u3042\u308b\u3054\u8cea\u554f(FAQ)<\/a><\/li>\n\n\n\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ul>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"what-is-rs232\">RS232\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n\n<p>RS-232\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u7c73\u56fd\u96fb\u5b50\u5de5\u696d\u4f1a(<a href=\"https:\/\/www.eia.gov\/\">EIA<\/a>)\u304c\u5b9a\u3081\u305f\u30b7\u30ea\u30a2\u30eb\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002 \u5143\u306e\u756a\u53f7\u306fEIA-RS-232(232\u3001\u7565\u3057\u3066RS232)\u3067\u3059\u3002 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30b7\u30ea\u30a2\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5468\u8fba\u6a5f\u5668\u63a5\u7d9a\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u63a5\u7d9a\u3001\u6a5f\u68b0\u7684\u3001\u96fb\u6c17\u7684\u3001\u4fe1\u53f7\u3001\u304a\u3088\u3073\u8ee2\u9001\u30d7\u30ed\u30bb\u30b9\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<p>RS-232-C\u898f\u683c\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u4f1d\u9001\u901f\u5ea6\u306f\u3001\u6bce\u79d250\u300175\u3001100\u3001150\u3001300\u3001600\u30011200\u30012400\u30014800\u30019600\u3001\u304a\u3088\u307319200\u30dc\u30fc\/\u79d2\u3067\u3059\u3002<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image alignright is-resized\"><a href=\"https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS232-DB9-Pinout.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"387\" height=\"400\" src=\"https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS232-DB9-Pinout-387x400.jpg\" alt=\"\" class=\"wp-image-19720\" style=\"width:280px;height:auto\" srcset=\"https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS232-DB9-Pinout-387x400.jpg 387w, https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS232-DB9-Pinout.jpg 433w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><\/a><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"rs232-feature\">RS232\u306e\u6a5f\u80fd\u306f\u3069\u3046\u3067\u3059\u304b?<\/h2>\n\n<p>RS-232\u306f\u3001\u4e3b\u6d41\u306e\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e1\u3064\u3067\u3059\u3002 RS232\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u898f\u683c\u306e\u65e9\u671f\u767b\u5834\u306b\u3088\u308a\u3001\u4e3b\u306b\u6b21\u306e4\u3064\u306e\u70b9\u3067\u5fc5\u7136\u7684\u306b\u6b20\u9665\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-1-high-interface-signal-level\">#1:\u9ad8\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4fe1\u53f7\u30ec\u30d9\u30eb<\/h3>\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4fe1\u53f7\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u56de\u8def\u306e\u30c1\u30c3\u30d7\u304c\u640d\u50b7\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002 RS232\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4e0a\u306e\u4fe1\u53f7\u7dda\u306e\u96fb\u5727\u306f\u8ca0\u306e\u8ad6\u7406\u95a2\u4fc2\u306b\u3042\u308a\u307e\u3059\u3002 <\/p>\n\n<p>\u30ed\u30b8\u30c3\u30af\u300c1\u300d\u306f-3\u301c15V\u3067\u3059\u3002\u30ed\u30b8\u30c3\u30af\u306f\u300c0\u300d:+3 \u2013 +15V\u3067\u3001\u30ce\u30a4\u30ba\u30de\u30fc\u30b8\u30f3\u306f2V\u3067\u3059\u3002 \u30ec\u30b7\u30fc\u30d0\u306f\u3001+3V\u3088\u308a\u9ad8\u3044\u4fe1\u53f7\u3092\u30ed\u30b8\u30c3\u30af\u300c0\u300d\u3001-3V\u3088\u308a\u4f4e\u3044\u4fe1\u53f7\u3092\u30ed\u30b8\u30c3\u30af\u300c1\u300d\u30015V\u306eTTL\u30ec\u30d9\u30eb\u3092\u30ed\u30b8\u30c3\u30af\u6b63\u30010\u3092\u30ed\u30b8\u30c3\u30af\u8ca0\u3068\u3057\u3066\u8a8d\u8b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 TTL\u30ec\u30d9\u30eb\u3068\u4e92\u63db\u6027\u304c\u306a\u3044\u305f\u3081\u3001TTL\u56de\u8def\u306b\u63a5\u7d9a\u3059\u308b\u306b\u306f\u30ec\u30d9\u30eb\u30b7\u30d5\u30c8\u56de\u8def\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-2-low-transmission-rate\">#2:\u4f1d\u9001\u901f\u5ea6\u304c\u4f4e\u3044<\/h3>\n\n<p>\u4f1d\u9001\u901f\u5ea6\u304c\u9045\u3044\u3002 \u975e\u540c\u671f\u4f1d\u9001\u3067\u306f\u3001\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306f20Kbps\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u300151CPLD\u958b\u767a\u30dc\u30fc\u30c9\u3067\u306f\u3001\u7d71\u5408\u30d7\u30ed\u30b0\u30e9\u30e0\u30dc\u30fc\u30ec\u30fc\u30c8\u306f19200\u3057\u304b\u3067\u304d\u305a\u3001\u3053\u308c\u3082\u7406\u7531\u3067\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3-weak-noise-immunity\">#3:\u30ce\u30a4\u30ba\u8010\u6027\u304c\u5f31\u3044<\/h3>\n\n<p>RS232\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u4fe1\u53f7\u7dda\u3068\u4fe1\u53f7\u30ea\u30bf\u30fc\u30f3\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3001\u5171\u901a\u306e\u30b0\u30e9\u30f3\u30c9\u4f1d\u9001\u5f62\u5f0f\u3092\u5f62\u6210\u3057\u307e\u3059\u3002 \u3053\u306e\u6a19\u6e96\u7684\u306a\u30b0\u30e9\u30f3\u30c9\u4f1d\u9001\u306f\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u5e72\u6e09\u3092\u53d7\u3051\u3084\u3059\u3044\u305f\u3081\u3001\u30ce\u30a4\u30ba\u8010\u6027\u306f\u5f31\u3044\u3067\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-4-short-transmission-distance\">#4:\u4f1d\u9001\u8ddd\u96e2\u304c\u77ed\u3044<\/h3>\n\n<p>\u4f1d\u9001\u8ddd\u96e2\u306f\u9650\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u6700\u5927\u4f1d\u9001\u8ddd\u96e2\u306f50\u30d5\u30a3\u30fc\u30c8\u3067\u3059\u3002 \u7d0415\u30e1\u30fc\u30c8\u30eb\u306b\u3057\u304b\u5c4a\u304d\u307e\u305b\u3093\u3002 <\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"what-is-rs485\">RS485\u3068\u306f?<\/h2>\n\n<p>RS-485\u30b7\u30ea\u30a2\u30eb\u30d0\u30b9\u306f\u3001\u901a\u4fe1\u8ddd\u96e2\u304c\u6570\u5341\u30e1\u30fc\u30c8\u30eb\u304b\u3089\u6570\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 RS-485\u306f\u3001\u5e73\u8861\u578b\u9001\u4fe1\u304a\u3088\u3073\u5dee\u52d5\u53d7\u4fe1\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u5e72\u6e09\u3092\u9664\u53bb\u3057\u307e\u3059\u3002 <\/p>\n\n<p>\u30d0\u30b9\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u9ad8\u611f\u5ea6\u306b\u52a0\u3048\u3066\u3001200mV\u3068\u3044\u3046\u4f4e\u3044\u96fb\u5727\u3092\u691c\u51fa\u3067\u304d\u308b\u305f\u3081\u3001\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u3092\u8d85\u3048\u3066\u9001\u4fe1\u4fe1\u53f7\u3092\u56de\u5fa9\u3057\u307e\u3059\u3002<\/p>\n\n<p>RS-485 \u306f\u534a\u4e8c\u91cd\u30e2\u30fc\u30c9\u306e\u52d5\u4f5c\u3092\u4f7f\u7528\u3057\u3001\u5e38\u306b 1 \u3064\u306e\u30dd\u30a4\u30f3\u30c8\u306e\u307f\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u9001\u4fe1\u56de\u8def\u306f\u30a4\u30cd\u30fc\u30d6\u30eb\u3055\u308c\u305f\u4fe1\u53f7\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS422-485-Pinout.jpg\"><\/a><\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"rs485-feature\">RS485\u306e\u6a5f\u80fd\u306f\u3069\u3046\u3067\u3059\u304b?<\/h2>\n\n<p>RS-485\u306f\u3001\u591a\u70b9\u76f8\u4e92\u63a5\u7d9a\u306b\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3001\u591a\u304f\u306e\u4fe1\u53f7\u7dda\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 RS-485\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5316\u3057\u3066\u3001\u6700\u592732\u53f0\u306e\u30c9\u30e9\u30a4\u30d6\u306832\u53f0\u306e\u30ec\u30b7\u30fc\u30d0\u3092\u4e26\u5217\u306b\u63a5\u7d9a\u3059\u308b\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002 RS-232-C\u306e\u6b20\u70b9\u306b\u5bfe\u5fdc\u3057\u3066\u3001\u65b0\u3057\u3044\u898f\u683cRS-485\u306b\u306f\u6b21\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<ul class=\"wp-block-list\">\n<li>RS-485\u306e\u96fb\u6c17\u7684\u7279\u6027:\u30ed\u30b8\u30c3\u30af\u300c1\u300d\u306f2\u672c\u306e\u7dda\u9593\u306e\u96fb\u5727\u5dee+2V~+6V\u3067\u8868\u3055\u308c\u3001\u30ed\u30b8\u30c3\u30af\u300c0\u300d\u306f2\u672c\u306e\u7dda\u9593\u306e\u96fb\u5727\u5dee-6V~-2V\u3067\u8868\u3055\u308c\u307e\u3059\u3002 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4fe1\u53f7\u30ec\u30d9\u30eb\u306fRS-232-C\u3088\u308a\u3082\u4f4e\u304f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u56de\u8def\u30c1\u30c3\u30d7\u306e\u640d\u50b7\u306f\u56f0\u96e3\u3067\u3059\u3002 \u30ec\u30d9\u30eb\u306fTTL\u30ec\u30d9\u30eb\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001TTL\u56de\u8def\u3068\u306e\u63a5\u7d9a\u306b\u4fbf\u5229\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9ad8\u306e\u30c7\u30fc\u30bf\u4f1d\u9001\u901f\u5ea6\u306f10Mbps\u3067\u3059<\/li>\n\n\n\n<li>RS-485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u30d0\u30e9\u30f3\u30b9\u30c9\u30fb\u30c9\u30e9\u30a4\u30d0\u3068\u5dee\u52d5\u30ec\u30b7\u30fc\u30d0\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3001\u53cd\u4e00\u822c\u7684\u306a\u30bd\u30ea\u30c3\u30c9\u30fb\u30e2\u30fc\u30c9\u5e72\u6e09\u6a5f\u80fd\u3068\u512a\u308c\u305f\u30a2\u30f3\u30c1\u30ce\u30a4\u30ba\u6027\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>RS-485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u6700\u5927\u4f1d\u9001\u8ddd\u96e2\u306f4000\u30d5\u30a3\u30fc\u30c8\u3001\u6700\u59273000\u30e1\u30fc\u30c8\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li>RS-232-C\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u3001\u30d0\u30b9\u306b\u63a5\u7d9a\u3067\u304d\u308b\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306f1\u3064\u3060\u3051\u3067\u3059\u3002 \u5bfe\u7167\u7684\u306b\u3001RS-485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u3001\u30d0\u30b9\u4e0a\u306b\u6700\u5927128\u500b\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3057\u304b\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\u3002 \u30e6\u30fc\u30b6\u30fc:\u5358\u4e00\u306eRS-485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30d0\u30a4\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8fc5\u901f\u306b\u78ba\u7acb\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">RS422\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n\n<p>RS-422\u898f\u683c\u306e\u6b63\u5f0f\u540d\u79f0\u306f\u300c\u5e73\u8861\u96fb\u5727\u30c7\u30b8\u30bf\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u56de\u8def\u306e\u96fb\u6c17\u7684\u7279\u6027\u300d\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u56de\u8def\u306e\u7279\u6027\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002 \u4fe1\u53f7\u30b0\u30e9\u30f3\u30c9\u304c\u3042\u308a\u3001\u5408\u8a085\u672c\u306e\u7dda\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n\n<p>\u53d7\u4fe1\u6a5f\u306f\u9ad8\u3044\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3001\u9001\u4fe1\u30c9\u30e9\u30a4\u30d0\u306fRS232\u3088\u308a\u3082\u91cd\u8981\u306a\u99c6\u52d5\u80fd\u529b\u3092\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u540c\u3058\u4f1d\u9001\u7dda\u8def\u4e0a\u306e\u8907\u6570\u306e\u53d7\u4fe1\u30ce\u30fc\u30c9\u3092\u63a5\u7d9a\u3067\u304d\u3001\u6700\u592710\u30ce\u30fc\u30c9\u3092\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002 <\/p>\n\n<p>1\u3064\u306e\u30de\u30b9\u30bf\u30fc\u30c7\u30d0\u30a4\u30b9(\u30de\u30b9\u30bf\u30fc)\u3068\u6b8b\u308a\u306e\u30b9\u30ec\u30fc\u30d6\u30c7\u30d0\u30a4\u30b9(\u30b9\u30ec\u30fc\u30d6)\u3067\u306f\u3001\u30b9\u30ec\u30fc\u30d6\u30c7\u30d0\u30a4\u30b9\u306f\u76f8\u4e92\u306b\u901a\u4fe1\u3067\u304d\u306a\u3044\u305f\u3081\u3001RS-422\u306f\u30dd\u30a4\u30f3\u30c8\u304b\u3089\u591a\u65b9\u5411\u3078\u306e\u53cc\u65b9\u5411\u901a\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 \u53d7\u4fe1\u6a5f\u306e\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f4k\u306a\u306e\u3067\u3001\u9001\u4fe1\u6a5f\u306e\u6700\u5927\u8ca0\u8377\u5bb9\u91cf\u306f10 &amp; TImes\u3067\u3059\u30024k + 100\u03a9 (\u7d42\u7aef\u62b5\u6297)<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">RS422\u306e\u6a5f\u80fd\u306f\u3069\u3046\u3067\u3059\u304b?<\/h2>\n\n<p>RS-422 4\u7dda\u5f0f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u9001\u4fe1\u30c1\u30e3\u30cd\u30eb\u3068\u53d7\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u5225\u3005\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u65b9\u5411\u3092\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u30c7\u30d0\u30a4\u30b9\u9593\u3067\u5fc5\u8981\u306a\u4fe1\u53f7\u4ea4\u63db\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9(XON\/XOFF\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af)\u307e\u305f\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9(\u500b\u5225\u306e\u30da\u30a2\u306e\u30da\u30a2)\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u649a\u308a\u7dda)\u3002 <\/p>\n\n<p>RS-422\u306e\u6700\u5927\u4f1d\u9001\u8ddd\u96e2\u306f4000\u30d5\u30a3\u30fc\u30c8(\u7d041219\u30e1\u30fc\u30c8\u30eb)\u3001\u6700\u5927\u4f1d\u9001\u901f\u5ea6\u306f10Mb\/s\u3067\u3059\u3002 <\/p>\n\n<p>\u5e73\u8861\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u306e\u9577\u3055\u306f\u4f1d\u9001\u901f\u5ea6\u306b\u53cd\u6bd4\u4f8b\u3057\u3001100kb\/s\u30ec\u30fc\u30c8\u3092\u4e0b\u56de\u308b\u6700\u5927\u4f1d\u9001\u8ddd\u96e2\u306b\u9054\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 \u6700\u9ad8\u306e\u4f1d\u9001\u901f\u5ea6\u306f\u3001\u975e\u5e38\u306b\u77ed\u3044\u8ddd\u96e2\u3067\u306e\u307f\u53ef\u80fd\u3067\u3059\u3002 \u4e00\u822c\u7684\u306a100\u30e1\u30fc\u30c8\u30eb\u306e\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u306e\u6700\u5927\u4f1d\u9001\u901f\u5ea6\u306f\u308f\u305a\u304b1Mb\/s\u3067\u3059\u3002<\/p>\n\n<p>RS-422\u306b\u306f\u3001\u4f1d\u9001\u30b1\u30fc\u30d6\u30eb\u306e\u7279\u6027\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u307b\u307c\u7b49\u3057\u3044\u62b5\u6297\u3092\u5fc5\u8981\u3068\u3059\u308b\u7d42\u7aef\u62b5\u6297\u304c\u5fc5\u8981\u3067\u3059\u3002 \u77ed\u8ddd\u96e2\u4f1d\u9001\u3067\u306f\u3001\u62b5\u6297\u3092\u7d42\u7aef\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u3064\u307e\u308a\u3001\u4e00\u822c\u7684\u306b\u306f\u3001300\u30e1\u30fc\u30c8\u30eb\u4ee5\u4e0b\u3067\u62b5\u6297\u3092\u7d42\u7aef\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u7d42\u7aef\u62b5\u6297\u306f\u3001\u4f1d\u9001\u30b1\u30fc\u30d6\u30eb\u306e\u6700\u3082\u9060\u3044\u7aef\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"rs422-vs-rs-485\">RS422\u3068RS-485\u306e\u6bd4\u8f03<\/h2>\n\n<p>RS-422\u3068RS-485\u306e\u56de\u8def\u306f\u540c\u3058\u539f\u7406\u3067\u3059\u3002 \u3053\u308c\u3089\u306f\u5dee\u52d5\u30e2\u30fc\u30c9\u3067\u9001\u53d7\u4fe1\u3055\u308c\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u30b0\u30e9\u30f3\u30c9\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002 \u5dee\u52d5\u52d5\u4f5c\u306f\u3001\u540c\u3058\u30ec\u30fc\u30c8\u6761\u4ef6\u4e0b\u3067\u4f1d\u9001\u8ddd\u96e2\u304c\u9577\u304f\u306a\u308b\u6839\u672c\u7684\u306a\u7406\u7531\u3067\u3059\u3002 <\/p>\n\n<p>\u3053\u308c\u304cRS-422\u3001RS-485\u3001RS232\u306e\u672c\u5f53\u306e\u9055\u3044\u3067\u3059\u3002 RS232\u306f\u30b7\u30f3\u30b0\u30eb\u30a8\u30f3\u30c9\u306e\u5165\u51fa\u529b\u3067\u3042\u308b\u305f\u3081\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u52d5\u4f5c\u306b\u306f\u5c11\u306a\u304f\u3068\u3082\u30c7\u30b8\u30bf\u30eb\u30b0\u30e9\u30f3\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002 \u56de\u7dda\u3092\u9001\u4fe1\u3057\u3001\u56de\u7dda 3 \u3092\u53d7\u3051\u5165\u308c\u307e\u3059(\u975e\u540c\u671f\u9001\u4fe1)\u3002 \u307e\u305f\u3001\u4ed6\u306e\u5236\u5fa1\u7dda\u3092\u8ffd\u52a0\u3057\u3066\u3001\u540c\u671f\u3084\u305d\u306e\u4ed6\u306e\u6a5f\u80fd\u3092\u5b8c\u4e86\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<p>RS-422\u306f\u30012\u3064\u306e\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u306b\u3088\u308b\u5168\u4e8c\u91cd\u52d5\u4f5c\u3067\u52d5\u4f5c\u304a\u3088\u3073\u53d7\u4fe1\u3067\u304d\u307e\u3059\u3002 RS485\u306f\u534a\u4e8c\u91cd\u3057\u304b\u52d5\u4f5c\u305b\u305a\u3001\u9001\u4fe1\u3068\u53d7\u4fe1\u3092\u540c\u6642\u306b\u884c\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u306f1\u3064\u3057\u304b\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002 RS422\u304a\u3088\u3073RS485\u306f\u300119kpbs\u30671200\u30e1\u30fc\u30c8\u30eb\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002 \u30c7\u30d0\u30a4\u30b9\u306f\u3001\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u56de\u7dda\u306b\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<p>RS-422\u306e\u96fb\u6c17\u7684\u6027\u80fd\u306fRS-485\u3068\u540c\u3058\u3067\u3059\u3002 \u4e3b\u306a\u9055\u3044\u306f\u3001RS-422\u306b\u306f2\u3064\u306e\u9001\u4fe1(Y\u3001Z)\u30682\u3064\u306e\u53d7\u4fe1(A\u3001B)\u306e4\u3064\u306e\u4fe1\u53f7\u7dda\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002 RS-422\u306e\u53d7\u4fe1\u3068\u9001\u4fe1\u306f\u5225\u3005\u3067\u3042\u308b\u305f\u3081\u3001\u540c\u6642\u306b\u9001\u53d7\u4fe1\u3067\u304d\u307e\u3059(\u5168\u4e8c\u91cd)\u3002RS-485\u306b\u306f\u3001\u9001\u4fe1\u3068\u53d7\u4fe1\u306e2\u3064\u306e\u4fe1\u53f7\u7dda\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"what-is-rs423\">RS423\u3068\u306f?<\/h2>\n\n<p>RS-423(RS\/EIA\/TIA-423)\u306f\u3001RS232\u3088\u308a\u3082\u512a\u308c\u305f\u62e1\u5f35\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306e\u898f\u683c\u3067\u3059\u3002 RS-232\u306b\u4f3c\u305f\u4e0d\u5e73\u8861(\u30b7\u30f3\u30b0\u30eb\u30a8\u30f3\u30c9)\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3068\u3001\u5358\u4e00\u306e\u5358\u65b9\u5411\u9001\u4fe1\u30c9\u30e9\u30a4\u30d0\u3092\u5b9a\u7fa9\u3057\u3001\u6700\u592710\u500b\u306e\u30ec\u30b7\u30fc\u30d0\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u901a\u5e38\u3001\u96c6\u7a4d\u56de\u8def\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3001DTE\u3068DCE\u9593\u306e\u30b7\u30ea\u30a2\u30eb\u30d0\u30a4\u30ca\u30ea\u4fe1\u53f7\u4ea4\u63db\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<p>RS-422\u306f\u30de\u30eb\u30c1\u30dd\u30a4\u30f3\u30c8\u63a5\u7d9a\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304c\u3001RS-423\u306f\u30dd\u30a4\u30f3\u30c8\u30c4\u30fc\u30dd\u30a4\u30f3\u30c8\u30ea\u30f3\u30af\u306e\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 RS-422\u306f\u3001\u30b9\u30de\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u3092\u76f4\u63a5\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u5bfe\u7167\u7684\u306b\u3001RS-423\u306fRS-232\u3092\u88dc\u5f37\u3057\u3001RS-422\u3068RS-232\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n<p>RS-423 \u3068 RS-232 \u306b\u306f\u3001\u30b3\u30e2\u30f3 \u30b0\u30e9\u30a6\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u6b20\u70b9\u304c\u3059\u3079\u3066\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u901a\u4fe1\u304c\u52a3\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u6f5c\u5728\u7684\u306a\u901a\u4fe1\u969c\u5bb3\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u539f\u56e0\u306f\u4e0d\u660e\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002 <\/p>\n\n<p>\u3053\u306e\u70b9\u3067\u3001RS-422\u3001RS-485\u3001\u304a\u3088\u3073\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u63a5\u7d9a\u3092\u4ecb\u3057\u305f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002 RS-423\u306e\u6b20\u70b9\u306e\u305f\u3081\u3001\u696d\u754c\u3067\u306f\u4e0d\u4eba\u6c17\u3067\u3059\u3002<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">RS-232\u3001RS-422\u3001RS-485\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.optcore.net\/wp-content\/uploads\/2018\/10\/RS-232-vs-RS-422-vs-RS-485.jpg\" alt=\"\"\/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>RS232\u306f\u5168\u4e8c\u91cd\u3001RS485\u306f\u534a\u4e8c\u91cd\u3001RS422\u306f\u5168\u4e8c\u91cd\u3067\u3059\u3002<\/li>\n\n\n\n<li>RS485 \u3068 RS232 \u306f\u3001\u552f\u4e00\u306e\u7269\u7406\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb (\u3064\u307e\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u6a19\u6e96) \u3067\u3059\u3002RS485\u306f\u5dee\u52d5\u4f1d\u9001\u30e2\u30fc\u30c9\u3001RS232\u306f\u30b7\u30f3\u30b0\u30eb\u30a8\u30f3\u30c9\u4f1d\u9001\u30e2\u30fc\u30c9\u3067\u3059\u3002 \u305d\u308c\u3067\u3082\u3001\u901a\u4fe1\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5927\u304d\u306a\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n\n<p>PC\u306b\u306f\u3059\u3067\u306bRS232\u304c\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u76f4\u63a5\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 RS485\u901a\u4fe1\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001RS232\u30dd\u30fc\u30c8\u306eRS485\u5909\u63db\u30d8\u30c3\u30c9\u306bRS232\u3092\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u3088\u304f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-is-there-a-difference-in-the-appearance-of-the-rs232-rs422-rs485-interface\"><strong>RS232\/RS422\/RS485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5916\u89b3\u306b\u9055\u3044\u306f\u3042\u308a\u307e\u3059\u304b?<\/strong><a href=\"https:\/\/www.optcore.net\/es\/product-category\/optical-transceiver-ja\/other-transceivers-ja\/1x9-transceiver-ja\/2m-1x9\/\"><\/a><\/h2>\n\n<p>\u4e00\u822c\u7684\u306b\u306fDB9\u3067\u3059\u3002\u4ed6\u306b\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u304cRS232 \/ RS422 \/ RS485\u3067\u3042\u308b\u304b\u3092\u77e5\u308b\u306b\u306f\u3001\u5185\u5074\u306e\u884c\u3092\u898b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p>RS232\u306f\u6a19\u6e96\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3001D\u5b57\u578b\u306e9\u30d4\u30f3\u3067\u3059\u3002 \u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4fe1\u53f7\u5b9a\u7fa9\u306f\u540c\u3058\u3067\u3059\u3002 \u4fe1\u53f7\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/46\/pIYBAFrW78GAGwIpAAB9GtGrINo212.jpg\"><img decoding=\"async\" src=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/46\/pIYBAFrW78GAGwIpAAB9GtGrINo212.jpg\" alt=\"RS-232&#x3068;RS-422&#x3068;RS-485&#x306E;&#x7279;&#x6027;&#x3068;&#x9055;&#x3044;&#x3092;&#x8AAD;&#x3080;\"\/><\/a><\/figure>\n\n<p>RS-232\u306f1\u5bfe1\u306e\u901a\u4fe1\u306e\u307f\u53ef\u80fd(\u5358\u4e00\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd)<\/p>\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/45\/o4YBAFrW78mALghsAAApeDpZ1jg574.jpg\"><img decoding=\"async\" src=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/45\/o4YBAFrW78mALghsAAApeDpZ1jg574.jpg\" alt=\"RS-232&#x3068;RS-422&#x3068;RS-485&#x306E;&#x7279;&#x6027;&#x3068;&#x9055;&#x3044;&#x3092;&#x8AAD;&#x3080;\"\/><\/a><\/figure>\n\n<p>RS-485\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u30d0\u30b9\u4e0a\u306b\u6700\u5927128\u500b\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059(\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u4ed8\u304d)<\/p>\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/45\/o4YBAFrW79qAchAoAAAwzCaSrtM716.jpg\"><img decoding=\"async\" src=\"https:\/\/file.elecfans.com\/web1\/M00\/4F\/45\/o4YBAFrW79qAchAoAAAwzCaSrtM716.jpg\" alt=\"RS-232&#x3068;RS-422&#x3068;RS-485&#x306E;&#x7279;&#x6027;&#x3068;&#x9055;&#x3044;&#x3092;&#x8AAD;&#x3080;\"\/><\/a><\/figure>\n\n<p>PC\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u306fRS232\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3057\u304b\u306a\u3044\u305f\u3081\u3001PC\u30db\u30b9\u30c8\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306eRS485\u56de\u8def\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p>(1) PC\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u306eRS232\u4fe1\u53f7\u3092RS232 \/ RS485\u5909\u63db\u56de\u8def\u3092\u4ecb\u3057\u3066RS485\u4fe1\u53f7\u306b\u5909\u63db\u3057\u307e\u3059\u3002 \u7d76\u7e01\u578b\u30a2\u30f3\u30c1\u30b5\u30fc\u30b8\u88fd\u54c1\u306f\u3001\u8907\u96d1\u306a\u72b6\u6cc1\u306e\u7523\u696d\u74b0\u5883\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n\n<p>(2)\u51fa\u529b\u4fe1\u53f7\u306f\u3001PCI\u30de\u30eb\u30c1\u30dd\u30fc\u30c8\u30b7\u30ea\u30a2\u30eb\u30ab\u30fc\u30c9\u3092\u4ecb\u3057\u3066RS485\u30bf\u30a4\u30d7\u306e\u62e1\u5f35\u30ab\u30fc\u30c9\u3068\u3057\u3066\u76f4\u63a5\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u3001RS232-RS485\u30b3\u30f3\u30d0\u30fc\u30bf\u3092\u4ecb\u3057\u3066\u8907\u6570\u306e485\u30c7\u30d0\u30a4\u30b9(\u30a2\u30af\u30bb\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9)\u3092\u63a5\u7d9a\u3057\u3001\u30d0\u30b9\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u6c5a\u67d3\u3057\u307e\u3059\u3002<\/p>\n\n<p>\u914d\u7dda\u30e9\u30d9\u30eb\u306f485+485-\u3067\u3001\u30ea\u30f3\u30af\u30c7\u30d0\u30a4\u30b9(\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9)\u306e485+485-\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n<p><strong>\u901a\u4fe1\u8ddd\u96e2:<\/strong> \u6700\u3082\u9060\u3044\u30c7\u30d0\u30a4\u30b9(\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc)\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u9593\u306e\u8ddd\u96e2\u306f\u3001\u7406\u8ad6\u7684\u306b\u306f1200\u30e1\u30fc\u30c8\u30eb\u3067\u3059\u3002 800\u30e1\u30fc\u30c8\u30eb\u4ee5\u5185\u306e\u9867\u5ba2\u7ba1\u7406\u3068300\u30e1\u30fc\u30c8\u30eb\u4ee5\u5185\u306e\u6700\u826f\u306e\u5236\u5fa1\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002 \u8ddd\u96e2\u304c\u9577\u3059\u304e\u308b\u5834\u5408\u306f\u3001485\u30ea\u30d4\u30fc\u30bf\u30fc(\u5ef6\u9577)\u3092\u8cfc\u5165\u3067\u304d\u307e\u3059(\u30ea\u30d4\u30fc\u30bf\u30fc\u304c\u30d0\u30b9\u306e\u771f\u3093\u4e2d\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u6700\u521d\u306b\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044)\u3002\u4e2d\u7d99\u5668\u306f\u7406\u8ad6\u7684\u306b\u306f3000\u30e1\u30fc\u30c8\u30eb\u307e\u3067\u5ef6\u9577\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<p><strong>\u8ca0\u8377\u6570:<\/strong> 485\u30d0\u30b9\u304c\u4f1d\u9001\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9(\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9)\u306e\u6570\u3002 \u3053\u308c\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u901a\u4fe1\u30c1\u30c3\u30d7\u3068485\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u901a\u4fe1\u30c1\u30c3\u30d7\u306e\u9078\u629e\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002 \u4e00\u822c\u7684\u306b\u306f\u300132\u300164\u3001128\u3001256\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u9078\u629e\u304c\u7406\u8ad6\u4e0a\u306e\u6570\u3067\u3059\u3002 \u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b7\u30fc\u30f3\u74b0\u5883\u3001\u901a\u4fe1\u8ddd\u96e2\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u8981\u56e0\u306b\u5fdc\u3058\u3066\u3001\u8ca0\u8377\u6570\u304c\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u6570\u306b\u9054\u3057\u307e\u305b\u3093\u3002 \u30de\u30a4\u30af\u30ed\u30d5\u30a1\u30fc\u30df\u30f3\u30b0\u4f1a\u793e\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u306f256\u30e6\u30cb\u30c3\u30c8\u3067\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u304a\u5ba2\u69d8\u306f80\u30e6\u30cb\u30c3\u30c8\u4ee5\u5185\u3067\u5404\u30d0\u30b9\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n<p>485\u901a\u4fe1\u30d0\u30b9(\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b1\u30fc\u30d6\u30eb\u306e1\u3064\u304c\u5fc5\u8981\u3067\u3059)\u3002 \u666e\u901a\u306e\u30ef\u30a4\u30e4\u30fc(\u649a\u308a\u306a\u3057)\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5e72\u6e09\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u901a\u4fe1\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u3089\u305a\u3001\u901a\u4fe1\u3059\u3089\u4e0d\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<p>\u5404\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u30b9\u30bf\u30fc\u63a5\u7d9a\u3084\u30d5\u30a9\u30fc\u30af\u306a\u3057\u3067\u3001\u624b\u3092\u3064\u306a\u3044\u3067\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30b9\u30bf\u30fc\u63a5\u7d9a\u3084\u30d5\u30a9\u30fc\u30af\u304c\u3042\u308b\u3068\u3001\u5e72\u6e09\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u901a\u4fe1\u304c\u60aa\u304f\u306a\u308a\u3001\u9001\u4fe1\u3059\u3089\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<p><strong>\u4ee5\u4e0b\u306e\u8868\u306f\u3001RS-232\u3001RS-422\u3001RS423\u3001RS-485\u306e\u6bd4\u8f03\u3092\u793a\u3057\u3066\u3044\u307e\u3059<\/strong><\/p>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td colspan=\"2\">\u4ed5\u69d8<\/td><td>RS-232\u6e96\u62e0<\/td><td>RS-423\u6e96\u62e0<\/td><td>RS-422\u578b<\/td><td>RS-485\u6e96\u62e0<\/td><\/tr><tr><td colspan=\"2\">\u52d5\u4f5c\u30e2\u30fc\u30c9<\/td><td>\u5358<br\/>-\u7d42\u308f\u3063\u305f<\/td><td>\u5358<br\/>-\u7d42\u308f\u3063\u305f<\/td><td>\u5fae\u5206<\/td><td>\u5fae\u5206<\/td><\/tr><tr><td colspan=\"2\">1 \u3064\u306e\u56de\u7dda\u4e0a\u306e\u30c9\u30e9\u30a4\u30d0\u3068\u30ec\u30b7\u30fc\u30d0\u306e\u7dcf\u6570<\/td><td>1 \u30c9\u30e9\u30a4\u30d0\u30fc <br\/>1 \u53d7\u4fe1<\/td><td>1 \u30c9\u30e9\u30a4\u30d0\u30fc  <br\/>10 \u53d7\u4fe1<\/td><td>1 \u30c9\u30e9\u30a4\u30d0\u30fc<br\/>10 \u53d7\u4fe1<\/td><td>1 \u30c9\u30e9\u30a4\u30d0\u30fc<br\/>32 \u53d7\u4fe1<\/td><\/tr><tr><td colspan=\"2\">\u6700\u5927\u30b1\u30fc\u30d6\u30eb\u9577<\/td><td>50\u30d5\u30a3\u30fc\u30c8<\/td><td>4000\u30d5\u30a3\u30fc\u30c8<\/td><td>4000\u30d5\u30a3\u30fc\u30c8<\/td><td>4000\u30d5\u30a3\u30fc\u30c8<\/td><\/tr><tr><td colspan=\"2\">\u6700\u5927\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8<\/td><td>460kb\/\u79d2<\/td><td>100kb\/\u79d2<\/td><td>10Mb\/\u79d2<\/td><td>30Mb\/\u79d2<\/td><\/tr><tr><td colspan=\"2\">\u6700\u5927\u30c9\u30e9\u30a4\u30d0\u51fa\u529b\u96fb\u5727<\/td><td>+\/- 25V<\/td><td>+\/- 6V<\/td><td>-0.25V\u304b\u3089+6V<\/td><td>-7V\u304b\u3089+12V<\/td><\/tr><tr><td>\u30c9\u30e9\u30a4\u30d0\u51fa\u529b\u4fe1\u53f7\u30ec\u30d9\u30eb(\u6700\u5c0f\u8ca0\u8377\u6642)<\/td><td>\u8aad\u307f\u8fbc\u307f\u6e08\u307f<\/td><td>+\/- 5V\u304b\u3089+\/- 15V<\/td><td>+\/- 3.6V<\/td><td>+\/- 2.0V<\/td><td>+\/- 1.5V<\/td><\/tr><tr><td>\u30c9\u30e9\u30a4\u30d0\u51fa\u529b\u4fe1\u53f7\u30ec\u30d9\u30eb(\u7121\u8ca0\u8377\u6700\u5927)<\/td><td>\u30a2\u30f3\u30ed\u30fc\u30c9<\/td><td>+\/- 25V<\/td><td>+\/- 6V<\/td><td>+\/- 6V<\/td><td>+\/- 6V<\/td><\/tr><tr><td colspan=\"2\">\u30c9\u30e9\u30a4\u30d0\u8ca0\u8377\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9(\u30aa\u30fc\u30e0)<\/td><td>3K\u304b\u30897K<\/td><td>&gt;=450<\/td><td>100<\/td><td>54<\/td><\/tr><tr><td>\u30de\u30c3\u30af\u30b9\u3002 \u9ad8Z\u72b6\u614b\u306b\u304a\u3051\u308b\u30c9\u30e9\u30a4\u30d0\u96fb\u6d41<\/td><td>\u96fb\u6e90\u30aa\u30f3<\/td><td>\u306a\u3057<\/td><td>\u306a\u3057<\/td><td>\u306a\u3057<\/td><td>+\/- 100uA<\/td><\/tr><tr><td>\u30de\u30c3\u30af\u30b9\u3002 \u9ad8Z\u72b6\u614b\u306b\u304a\u3051\u308b\u30c9\u30e9\u30a4\u30d0\u96fb\u6d41<\/td><td>\u96fb\u6e90\u30aa\u30d5<\/td><td>+\/- 6mA @ +\/- 2V<\/td><td>+\/- 100uA<\/td><td>+\/- 100uA<\/td><td>+\/- 100uA<\/td><\/tr><tr><td colspan=\"2\">\u30b9\u30eb\u30fc\u30ec\u30fc\u30c8(\u6700\u5927)<\/td><td>30V\/uS<\/td><td>\u8abf\u6574<\/td><td>\u306a\u3057<\/td><td>\u306a\u3057<\/td><\/tr><tr><td colspan=\"2\">\u30ec\u30b7\u30fc\u30d0\u306e\u5165\u529b\u96fb\u5727\u7bc4\u56f2<\/td><td>+\/- 15V<\/td><td>+\/- 12V<\/td><td>-10V\u304b\u3089+10V<\/td><td>-7V\u304b\u3089+12V<\/td><\/tr><tr><td colspan=\"2\">\u30ec\u30b7\u30fc\u30d0\u5165\u529b\u611f\u5ea6<\/td><td>+\/- 3V<\/td><td>+\/- 200mV<\/td><td>+\/- 200mV<\/td><td>+\/- 200mV<\/td><\/tr><tr><td colspan=\"2\">\u30ec\u30b7\u30fc\u30d0\u5165\u529b\u62b5\u6297(\u30aa\u30fc\u30e0)<\/td><td>3K\u304b\u30897K<\/td><td>4k\u5206<\/td><td>4k\u5206<\/td><td>&gt;=12k<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>\u88681:RS-232\u3001RS-422\u3001RS-423\u3001RS-485<\/em><\/figcaption><\/figure>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f (FAQ)<\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-uart\">UART\u3068\u306f?<\/h3>\n\n<p>UART\u306fUniversal Asynchronous Receiver-Transmitter\u306e\u7565\u3067\u3059\u3002 \u3053\u308c\u306f\u3001\u30b7\u30ea\u30a2\u30eb\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u3059\u3002 \u3053\u308c\u306f\u3001\u901a\u4fe1\u7528\u306b\u30d1\u30e9\u30ec\u30eb\u30c7\u30fc\u30bf\u3092\u30b7\u30ea\u30a2\u30eb\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3057\u3001\u53d7\u4fe1\u6a5f\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u30b7\u30ea\u30a2\u30eb\u30c7\u30fc\u30bf\u3092\u540c\u69d8\u306e\u30c7\u30fc\u30bf\u306b\u623b\u3059\u56de\u8def\u3067\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-how-do-we-eliminate-common-mode-interference-on-the-rs-485-bus\">RS-485\u30d0\u30b9\u306e\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u5e72\u6e09\u3092\u9664\u53bb\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b?<\/h3>\n\n<p>\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3067\u306f\u3001\u901a\u5e38\u3001\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u5e72\u6e09\u304c\u6392\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u30b7\u30fc\u30eb\u30c9\u4ed8\u304d\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u30b1\u30fc\u30d6\u30eb\u306e\u4f7f\u7528\u3068\u9069\u5207\u306a\u63a5\u5730<\/li>\n\n\n\n<li>\u5f37\u3044\u96fb\u754c\u304c\u5b58\u5728\u3059\u308b\u4e9c\u925b\u30e1\u30c3\u30ad\u30d1\u30a4\u30d7\u30b7\u30fc\u30eb\u30c9\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u9ad8\u5727\u7dda\u304b\u3089\u96e2\u308c\u305f\u914d\u7dda\u3001\u9ad8\u5727\u96fb\u6e90\u7dda\u3084\u4fe1\u53f7\u7dda\u3092\u675f\u306d\u3066\u914d\u7dda\u3059\u308b\u3053\u3068\u306f\u8a00\u3046\u307e\u3067\u3082\u3042\u308a\u307e\u305b\u3093<\/li>\n\n\n\n<li>\u96fb\u5b50\u5236\u5fa1\u30ed\u30c3\u30af\u3068\u540c\u3058\u96fb\u6e90\u3092\u5171\u6709\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/li>\n\n\n\n<li>(\u30ea\u30cb\u30a2\u5b89\u5b9a\u5316\u96fb\u6e90\u307e\u305f\u306f\u9ad8\u54c1\u8cea\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90(\u30ea\u30c3\u30d7\u30eb\u5e72\u6e0950mV\u4ee5\u4e0b)\u3092\u4f7f\u7528)<\/li>\n<\/ul>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\u7d50\u8ad6<\/h2>\n\n<p>RS232\u3001RS422\u3001RS423\u3001\u304a\u3088\u3073RS485\u306f\u3059\u3079\u3066\u3001\u57fa\u672c\u7684\u306b\u7269\u7406\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002 \u3053\u308c\u3089\u306f\u3059\u3079\u3066\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u30e6\u30d3\u30ad\u30bf\u30b9\u306a\u30c7\u30d0\u30a4\u30b9\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002 \u30b7\u30ea\u30a2\u30eb\u30fb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u96fb\u5b50\u6a5f\u5668\u3084\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u30fb\u30c7\u30fc\u30bf\u306e\u30ea\u30e2\u30fc\u30c8\u30fb\u30a2\u30af\u30a4\u30b8\u30b7\u30e7\u30f3\u3084\u30ea\u30e2\u30fc\u30c8\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n<p>\u3053\u308c\u3089\u306f\u3001PC\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u3001TTL\u30ec\u30d9\u30eb\u306e\u4f1d\u9001\u306a\u3069\u3001\u4fe1\u53f7\u306e\u9001\u4fe1\u65b9\u6cd5\u3092\u5909\u66f4\u3057\u307e\u3059\u3002 \u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001\u901a\u4fe1\u30b3\u30f3\u30d0\u30fc\u30bf\u30c1\u30c3\u30d7\u306b\u3088\u3063\u3066RS232\u3001RS422\u3001RS423\u3001\u307e\u305f\u306fRS485\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<p>RS232\u3001RS422\u3001RS485\u7523\u696d\u7528\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306b\u9069\u3057\u305f <a href=\"https:\/\/www.optcore.net\/product-category\/optical-transceiver-ja\/other-transceivers-ja\/1x9-transceiver-ja\/lowrate-1x9\/\">TTL 1\u00d79\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0<\/a> \u306e\u8a73\u7d30\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<p><strong>Reference<\/strong>:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>https:\/\/www.elecfans.com\/emb\/jiekou\/20180418663969.html<\/li>\n\n\n\n<li>https:\/\/www.rs485.com\/rs485spec.html<\/li>\n\n\n\n<li>https:\/\/www.linkedin.com\/pulse\/eia-rs-485-rs-423-rs-422-rs-232-vinay-sahu<\/li>\n<\/ul>\n\n<p><strong>Read more<\/strong>:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.optcore.net\/?p=100117\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/www.optcore.net\/hba-detailed-explanation-how-much-you-know\/\" target=\"_blank\" rel=\"noreferrer noopener\">HBA detailed explanation, how much you know?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.optcore.net\/25g-ethernet-vs-40g-ethernet-which-is-right-for-you\/\" target=\"_blank\" rel=\"noreferrer noopener\">25G Ethernet VS 40G Ethernet, which is Right for You?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.optcore.net\/what-is-1x9-transceiver\/\">1\u00d79\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3068\u306f\u4f55\u3067\u3059\u304b? \u6c7a\u5b9a\u7248\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n<div style=\"background-color:#f5f5f5;\" class=\"wp-block-post-author has-background wp-duotone-unset-1\"><div class=\"wp-block-post-author__avatar\"><img alt='' src='https:\/\/secure.gravatar.com\/avatar\/0d63adf207398a64df0a1845a46fabc882601be0debf2de3b06aba096ad89984?s=48&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/0d63adf207398a64df0a1845a46fabc882601be0debf2de3b06aba096ad89984?s=96&#038;r=g 2x' class='avatar avatar-48 photo' height='48' width='48' \/><\/div><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__byline\">Article by<\/p><p class=\"wp-block-post-author__name\">Robert<\/p><p class=\"wp-block-post-author__bio\">Robert, as a proficient editor in OPTCORE, specializes in optical networking. His expertise provides insightful information regarding the latest advancements in optical transceivers, optical cabling, and networking technologies.<\/p><\/div><\/div>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521d\u7248:2018 \u5e74 10 \u6708 7 \u65e5 \u4eca\u65e5\u306e\u591a\u304f\u306e\u82e5\u8005\u306b\u3068\u3063\u3066\u3001\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306f\u6642\u4ee3\u9045\u308c\u306e\u7528\u8a9e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 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content=\"RS-232\u3001RS-422\u3001RS-485\u306e\u9055\u3044\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u304b\u3001\u8a73\u7d30\u3092\u5b66\u3073\u3001\u3053\u306e\u8a18\u4e8b\u3067\u9055\u3044\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.optcore.net\/ja\/difference-between-rs-232-rs-422-and-rs-485\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RS-232 vs RS-422 vs RS-485\u3001\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?\" \/>\n<meta property=\"og:description\" content=\"\u521d\u7248:2018 \u5e74 10 \u6708 7 \u65e5 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