{"id":3765,"date":"2022-10-12T13:38:21","date_gmt":"2022-10-12T05:38:21","guid":{"rendered":"http:\/\/gcanbus.com\/?p=3765"},"modified":"2022-10-19T15:19:59","modified_gmt":"2022-10-19T07:19:59","slug":"what-is-communication-protocol","status":"publish","type":"post","link":"https:\/\/gcanbus.com\/ko\/what-is-communication-protocol\/","title":{"rendered":"\ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc774\ub780?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1123.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>\ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><\/span><\/p>\n<p>\ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc740 \ub458 \uc774\uc0c1\uc758 \ub2f9\uc0ac\uc790 \uac04\uc758 \uc758\uc0ac\uc18c\ud1b5\uc774\uba70, \ucee4\ubba4\ub2c8\ucf00\uc774\uc158 \ud504\ub85c\ud1a0\ucf5c\uc740 \ub458 \uc774\uc0c1\uc758 \ub2f9\uc0ac\uc790\uac00 \uc900\uc218\ud574\uc57c \ud558\ub294 \uc758\uc0ac\uc18c\ud1b5 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc774\uc81c \ub450 \uc0ac\ub78c\uc774 \ub2e8\uc5b4\ub97c \ud45c\ud604\ud560 \ub54c \uc22b\uc790\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \uaddc\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud604\uc7ac A\ub294 \"\ub098\", B\ub294 \"\ub2f9\uc2e0\", C\ub294 \"\uadf8\"\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\uc81c \ub450 \uc0ac\ub78c \uc911 \ud55c \uc0ac\ub78c\uc774 A\ub77c\uace0 \ub9d0\ud558\uba74 \ub2e4\ub978 \uc0ac\ub78c\uc740 \uc989\uc2dc \"\ub098\"\ub77c\uace0 \ub9d0\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub204\uad70\uac00 \uaddc\uce59\uc5d0 \ub530\ub77c \ub9d0\ud558\uc9c0 \uc54a\uace0 D\ub77c\uace0 \ub9d0\ud558\uba74 \uc0c1\ub300\ubc29\uc740 \uc790\uc2e0\uc774 \ubb34\uc2a8 \ub9d0\uc744 \ud558\ub294\uc9c0 \uc774\ud574\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc774 \uc608\uc5d0\uc11c A, B, c\uc758 \uc815\uc758\ub41c \ud45c\ud604\uc740 \uac04\ub2e8\ud55c \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>\uc77c\ubc18 \uc18c\uac1c<\/strong><\/span><\/p>\n<p>\ubaa8\ub4dc\ubc84\uc2a4\ub294 \ud558\ub098\uc758 \ub9c8\uc2a4\ud130\uc640 \ud558\ub098\uc758 \uc2ac\ub808\uc774\ube0c\ub85c \uad6c\uc131\ub41c \uc77c\ub300\uc77c \ud1b5\uc2e0 \ubc29\uc2dd\uc785\ub2c8\ub2e4(\ud638\uc2a4\ud2b8\uac00 \ud504\ub808\uc784\uc744 \ubcf4\ub0b4\uace0 \uc2ac\ub808\uc774\ube0c\uac00 \ud504\ub808\uc784\uc744 \ub2e4\uc2dc \ubcf4\ub0b4\ub294 \ubc29\uc2dd). \ubb3c\ub860 \ud558\ub098\uc758 \ub9c8\uc2a4\ud130\uc640 \uc5ec\ub7ec \uac1c\uc758 \uc2ac\ub808\uc774\ube0c\ub3c4 \uc788\uc9c0\ub9cc \uc2e4\uc81c\ub85c\ub294 \uc77c\ub300\uc77c \ud1b5\uc2e0\uc785\ub2c8\ub2e4.<br \/>\n\uc751\ub2f5\ud558\ub294 \uc2ac\ub808\uc774\ube0c\uac00 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc5ec\ub7ec \uc2ac\ub808\uc774\ube0c\uc640 \ub3d9\uc2dc\uc5d0 \ud1b5\uc2e0\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \ub9c8\uc2a4\ud130\uac00 \uba85\ub839\uc744 \ubcf4\ub0b4\uba74 \ubaa8\ub4e0 \uc2ac\ub808\uc774\ube0c\uac00 \uba85\ub839\uc744 \uc218\uc2e0\ud558\uace0 \uc2e4\ud589\ud558\uc9c0\ub9cc \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294 \ube0c\ub85c\ub4dc\uce90\uc2a4\ud2b8\ub3c4 \uc9c0\uc6d0\ub429\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>ASCII<\/strong><\/span><\/p>\n<p>ASCII\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c1\ub82c \ud1b5\uc2e0\uc744 \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubb38\uc790 \uae30\ubc18 \ud1b5\uc2e0 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<br \/>\n\uba54\uc2dc\uc9c0 \ud615\uc2dd\uc740 ASCII \ucf54\ub4dc\ub85c \uc778\ucf54\ub529\ub418\uba70, \ud504\ub808\uc784 \ud5e4\ub354(:) + \uc2ac\ub808\uc774\ube0c ID + \ub370\uc774\ud130 + LRC \uccb4\ud06c + \ud504\ub808\uc784 \ub05d(\/r\/n)\uc758 \ub2e4\uc12f \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ub2e8, \uc2ac\ub808\uc774\ube0c lD\uc640 \uac19\uc774 RTU\uac00 01\ubc14\uc774\ud2b8\uc778 \uacbd\uc6b0 ASCII \uc778\ucf54\ub529 \ud615\uc2dd\uc740 3031 2\ubc14\uc774\ud2b8\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<br \/>\n\ub530\ub77c\uc11c \ud1b5\uc2e0 \ud6a8\uc728\uc774 \ub108\ubb34 \ub0ae\uae30 \ub54c\ubb38\uc5d0 \uc2e4\uc81c \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \ubaa8\ub4dc\ubc84\uc2a4\/ASCII\uac00 \uac70\uc758 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br \/>\n\ub610\ud55c RTU\uc640 \ub610 \ub2e4\ub978 \ucc28\uc774\uc810\uc774 \uc788\ub294\ub370, \uc5ec\uae30\uc11c \uc0ac\uc6a9\ub418\ub294 \uac80\uc0ac\ub294 CRC \uac80\uc0ac\uac00 \uc544\ub2c8\ub77c LRC \uac80\uc0ac\uc785\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>RTU<\/strong><\/span><\/p>\n<p>RTU\ub294 \uc6d0\uaca9 \ud130\ubbf8\ub110 \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc73c\ub85c, \ubaa8\ub4dc\ubc84\uc2a4\uc758 \ud1b5\uc2e0 \ud615\ud0dc\ub97c \ub9d0\ud569\ub2c8\ub2e4. \ud1b5\uc2e0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c1\ub82c \ud3ec\ud2b8\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4.<br \/>\n\uba54\uc2dc\uc9c0 \ud615\uc2dd\uc740 16\uc9c4\uc218\uc774\uba70 \uc138 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4: \uc2ac\ub808\uc774\ube0c ID + \ub370\uc774\ud130 + CRC \ud655\uc778. \ub370\uc774\ud130 \ubd80\ubd84\uc740 \uc704\uc758 \uba54\uc2dc\uc9c0 \ubd84\uc11d\uc744 \ucc38\uace0\ud558\uc138\uc694. \ub098\uba38\uc9c0\ub294 \ub370\uc774\ud130 \uac80\uc0ac\uc774\uba70, \uc5ec\uae30\uc11c\ub294 CRC \uac80\uc0ac(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac, \uc904\uc5ec\uc11c CRC)\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<br \/>\n\ub370\uc774\ud130 \ubd80\ubd84\uc5d0\uc11c\ub294 \uace0\ucc28 \ub370\uc774\ud130\uac00 \uc55e\ucabd\uc5d0 \uc788\uace0 \uc800\ucc28 \ub370\uc774\ud130\uac00 \ub4a4\ucabd\uc5d0 \uc788\ub294 \ubc18\uba74, CRC \uac80\uc0ac\ub294 \uc800\ucc28 \ub370\uc774\ud130\uac00 \uc55e\ucabd\uc5d0 \uc788\uace0 \uace0\ucc28 \ub370\uc774\ud130\uac00 \ub4a4\ucabd\uc5d0 \uc788\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>TCP<\/strong><\/span><\/p>\n<p>TCP\ub294 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc774\uace0 Modbus\/TCP\ub294 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc744 \uae30\ubc18\uc73c\ub85c \ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<br \/>\nlts \uba54\uc2dc\uc9c0 \ud615\uc2dd\uc740 16\uc9c4\uc218\uc774\uba70 \ud5e4\ub354(2\ubc14\uc774\ud2b8 \ud504\ub808\uc784 \ubc88\ud638 + 2\ubc14\uc774\ud2b8 \ud504\ub85c\ud1a0\ucf5c \uc720\ud615 + 2\ubc14\uc774\ud2b8 \ub370\uc774\ud130 \uae38\uc774 +1\ubc14\uc774\ud2b8 \uc2ac\ub808\uc774\ube0c lD) + \ub370\uc774\ud130\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<br \/>\n\ud1b5\uc2e0 \ubc29\uc2dd\uc740 TCP\/IP\uc640 \uac19\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud504\ub85c\ud1a0\ucf5c\uc744 \uae30\ubc18\uc73c\ub85c \ud558\uae30 \ub54c\ubb38\uc5d0 \ud1b5\uc2e0\uc5d0 \ucd94\uac00\uc801\uc778 \uc778\uc99d \uba54\ucee4\ub2c8\uc998\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-size: 18pt; color: #ff9900; font-family: 'arial black', sans-serif;\"><strong>\ubaa8\ub4dc\ubc84\uc2a4 \ud50c\ub7ec\uc2a4<\/strong><\/span><\/p>\n<p>\ubaa8\ub4dc\ubc84\uc2a4 \ud50c\ub7ec\uc2a4(MB+\ub77c\uace0\ub3c4 \ud568)\ub294 \uace0\uc18d \ud544\ub4dc \ubc84\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc774\uc790 \uc77c\ubc18\uc801\uc778 \ud1a0\ud070 \ubc84\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc785\ub2c8\ub2e4.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1786,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[25],"tags":[],"class_list":["post-3765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/posts\/3765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/comments?post=3765"}],"version-history":[{"count":0,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/posts\/3765\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/media\/1786"}],"wp:attachment":[{"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/media?parent=3765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/categories?post=3765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gcanbus.com\/ko\/wp-json\/wp\/v2\/tags?post=3765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}