{"id":9224,"date":"2021-05-31T13:25:38","date_gmt":"2021-05-31T06:25:38","guid":{"rendered":"https:\/\/vn-tech.com.vn\/?p=9224"},"modified":"2023-03-01T15:43:24","modified_gmt":"2023-03-01T08:43:24","slug":"bo-chuyen-doi-tin-hieu-cac-loai-tin-hieu","status":"publish","type":"post","link":"https:\/\/vn-tech.com.vn\/?p=9224","title":{"rendered":"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"<p>Hi\u1ec7n nay, trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 s\u1ed1 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i v\u1edbi nh\u1eefng t\u00ednh n\u0103ng chuy\u00ean bi\u1ec7t ra \u0111\u1eddi. M\u1ed7i thi\u1ebft b\u1ecb l\u1ea1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho m\u00ecnh m\u1ed9t t\u00edn hi\u1ec7u ph\u00f9 h\u1ee3p. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng v\u1edbi nhau. \u0110\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1ea5n \u0111\u1ec1 \u0111\u00f3, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u ra \u0111\u1eddi nh\u01b0 m\u1ed9t l\u1eddi gi\u1ea3i \u0111\u00e1p. V\u1eady <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/strong> l\u00e0 g\u00ec? ch\u00fang c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m g\u00ec v\u00e0 c\u00f3 nh\u1eefng lo\u1ea1i n\u00e0o, nh\u1eefng h\u00e3ng s\u1ea3n xu\u1ea5t n\u00e0o? C\u00f9ng <strong>VN Tech<\/strong> t\u00ecm hi\u1ec3u nh\u00e9.<\/p>\n<h4><strong>1. Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 g\u00ec?\u00a0<\/strong><\/h4>\n<p>Tr\u01b0\u1edbc ti\u00ean ta c\u1ea7n hi\u1ec3u, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u ch\u00ednh l\u00e0 vi\u1ec7c bi\u1ebfn t\u00edn hi\u1ec7u t\u1eeb \u0111\u1ea7u v\u00e0o A sang \u0111\u1ea7u ra B theo m\u1ed9t y\u00eau c\u1ea7u, m\u1ee5c \u0111\u00edch n\u00e0o \u0111\u00f3. Theo \u0111\u00f3 ch\u00fang ta c\u00f3 th\u1ec3 hi\u1ec3u h\u00ecnh dung h\u01a1n v\u1ec1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u hay thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111\u01b0a t\u00edn hi\u1ec7u xu\u1ea5t ra t\u1eeb m\u1ed9t thi\u1ebft b\u1ecb th\u00e0nh m\u1ed9t t\u00edn hi\u1ec7u ho\u00e0n to\u00e0n m\u1edbi, m\u1ee5c \u0111\u00edch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u1ea7u ra, gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 c\u1ea7n thi\u1ebft.<\/p>\n<h4><strong>2. C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn<\/strong><\/h4>\n<p>C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i trong c\u00f4ng nghi\u1ec7p \u0111\u00f3 l\u00e0 t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1 ( Analog ), t\u00edn hi\u1ec7u s\u1ed1 (digital ) , t\u00edn hi\u1ec7u xung (pulse ).\u2026 v\u00e0 \u0111\u1eb7c bi\u1ec7t v\u1edbi t\u00edn hi\u1ec7u Analog th\u00ec 4-20mA, 0-10v, 1-5v, 2-10v l\u00e0 4 trong 10 t\u00edn hi\u1ec7u analog th\u01b0\u1eddng d\u00f9ng nhi\u1ec1u trong nh\u00e0 m\u00e1y, khu c\u00f4ng nghi\u1ec7p. 4-20mA l\u00e0 t\u00edn hi\u1ec7u g\u1ea7n nh\u01b0 90% c\u00e1c nh\u00e0 m\u00e1y \u0111\u1ec1u s\u1eed d\u1ee5ng b\u1edfi t\u00edn n\u0103ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a m\u00ecnh.<\/p>\n<p>M\u1ed7i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u1ea1i c\u00f3 nh\u1eefng \u0111\u1eb7c tr\u01b0ng ri\u00eang bi\u1ec7t.Ta c\u00f3 th\u1ec3 l\u1ea5y c\u00e1c v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n: b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u t\u1eeb analog sang t\u00edn hi\u1ec7u modbus s\u1ebd \u0111\u01b0a c\u00e1c t\u00edn hi\u1ec7u 4-20mA, 0-10v v\u1ec1 d\u1ea1ng d\u00f2ng t\u00edn hi\u1ec7u modbus RTU ho\u1eb7c t\u00edn hi\u1ec7u modbus RS485 hay b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 PT100 d\u00f9ng \u0111\u1ec3 \u0111\u01b0a c\u00e1c t\u00edn hi\u1ec7u nhi\u1ec7t \u0111\u1ed9 PT100 th\u00e0nh c\u00e1c t\u00edn hi\u1ec7u 4-20mA, 0-10v ho\u1eb7c t\u00edn hi\u1ec7u relay,\u2026<\/p>\n<h4><strong>3. M\u1ed9t s\u1ed1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/strong><\/h4>\n<p><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u nhi\u1ec7t \u0111\u1ed9<\/strong><\/p>\n<ul>\n<li>\u0110\u1ea7u v\u00e0o <a href=\"https:\/\/vn-tech.com.vn\/cam-bien-nhiet-do-pt100-pr7400.html\">c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 PT100<\/a>, PT1000, can nhi\u1ec7t: K, R, S, B \u2026 qua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra chu\u1ea9n 4-20mA<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9226 size-full\" src=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-3109.png\" alt=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u\" width=\"440\" height=\"212\" srcset=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-3109.png 440w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-3109-300x145.png 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/li>\n<\/ul>\n<p><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u analog<\/strong><\/p>\n<ul>\n<li>\u0110\u1ea7u v\u00e0o l\u00e0 t\u00edn hi\u1ec7u analog 0-10V qua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra 4-20mA ho\u1eb7c 0-20mA<\/li>\n<li>\u0110\u1ea7u v\u00e0o t\u00edn hi\u1ec7u analog 0-20mA qua thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra l\u00e0 4-20mA ho\u1eb7c 0-10V<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9227 size-full\" src=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-5225A.png\" alt=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u\" width=\"440\" height=\"226\" srcset=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-5225A.png 440w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-5225A-300x154.png 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/p>\n<p><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u xung<\/strong><\/p>\n<ul>\n<li>\u0110\u1ea7u v\u00e0o l\u00e0 t\u00edn hi\u1ec7u xung qua thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra l\u00e0 4-20mA, 0 -20mA, 0-10V \u2026<\/li>\n<li>\u0110\u1ea7u v\u00e0o l\u00e0 t\u00edn hi\u1ec7u xung qua thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u xung t\u1ea7n s\u1ed1 kh\u00e1c<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9228 size-full aligncenter\" src=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-la-gi.png\" alt=\"\" width=\"437\" height=\"228\" srcset=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-la-gi.png 437w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/bo-chuyen-doi-tin-hieu-la-gi-300x157.png 300w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/><\/p>\n<p><strong>Ngo\u00e0i ra c\u00f2n c\u00f3 nh\u1eefng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u t\u1eeb chu\u1ea9n n\u00e0y sang chu\u1ea9n kh\u00e1c nh\u01b0:<\/strong><\/p>\n<ul>\n<li>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i RS232\/485\/422 sang Ethernet,<\/li>\n<li>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i RS232\/485\/422 sang Quang,<\/li>\n<li>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i RS232\/485\/422 sang Wifi,<\/li>\n<li>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i Video sang quang,\u2026<\/li>\n<\/ul>\n<p>N\u1ebfu nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y nh\u1eefng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c m\u1ed9t v\u00e0i h\u00e3ng l\u1edbn cung c\u1ea5p: Pepperl Fuchs , MTL , Phoenix contact,\u2026 th\u00ec gi\u1edd \u0111\u00e2y ch\u00fang \u0111\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t c\u00e1ch \u0111a d\u1ea1ng v\u1edbi nhi\u1ec1u h\u00e3ng s\u1ea3n xu\u1ea5t h\u01a1n v\u00e0 xu\u1ea5t x\u1ee9 t\u1eeb nhi\u1ec1u qu\u1ed1c gia h\u01a1n. C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn m\u1ed9t v\u00e0i h\u00e3ng ti\u00eau bi\u1ec3u: ATC, USR, 3onedata, AOA,\u2026 t\u1eeb \u0111a d\u1ea1ng c\u00e1c qu\u1ed1c gia: Trung Qu\u1ed1c, \u0110\u00e0i Loan, \u00dac,\u2026<\/p>\n<p>C\u00f4ng ty Vi\u1ec7t Nh\u1eadt t\u1ef1 h\u00e0o l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ed9c quy\u1ec1n th\u01b0\u01a1ng hi\u1ec7u <strong>PR Electronics<\/strong> t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam, V\u1edbi \u0111\u1ed9i ng\u0169 qu\u1ea3n l\u00fd v\u00e0 nh\u00e2n vi\u00ean c\u00f3 nhi\u1ec1u b\u1ec1 d\u1ea7y kinh nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o h\u00e0ng n\u0103m t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi, Qua \u0111\u00f3 C\u00f4ng Ty Vi\u1ec7t Nh\u1eadt kh\u00f4ng ch\u1ec9 l\u00e0 nh\u00e0 cung c\u1ea5p s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 t\u1ed1t nh\u1ea5t, m\u00e0 c\u00f2n t\u01b0 v\u1ea5n nh\u1eefng gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u cho kh\u00e1ch h\u00e0ng. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i theo th\u00f4ng tin b\u00ean d\u01b0\u1edbi \u0111\u1ec3 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u1ec1 s\u1ea3n ph\u1ea9m.<\/p>\n<p>Xem th\u00eam b\u00e0i vi\u1ebft:<\/p>\n<ul>\n<li><a href=\"https:\/\/vn-tech.com.vn\/tam-quan-trong-cua-viec-dieu-khien-nhiet-do-lo-say.html\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 l\u00f2 s\u1ea5y<\/a><\/li>\n<li><a href=\"https:\/\/vn-tech.com.vn\/huong-dan-su-dung-seri-3000-cua-pr-electronics.html\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng seri 3000 c\u1ee7a PR Electronics<\/a><\/li>\n<\/ul>\n<div dir=\"auto\">\u2014\u2014\u2013<\/div>\n<div dir=\"auto\">\n<div dir=\"auto\"><strong><a href=\"https:\/\/vntechgroup.com.vn\/\" target=\"_blank\" rel=\"noopener\">VNTECH GROUP<\/a>\u00a0\u2013 Your Partner For Automation, Instrumentation &amp; Industrial Valves<\/strong><\/div>\n<div dir=\"auto\">C\u00f4ng Ty Thi\u1ebft B\u1ecb C\u00f4ng Nghi\u1ec7p Vi\u1ec7t Nh\u1eadt<\/div>\n<div dir=\"auto\">Hotline: 0918 113 733<\/div>\n<div dir=\"auto\">Email: info@vntechgroup.com.vn<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n nay, trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 s\u1ed1 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i v\u1edbi nh\u1eefng t\u00ednh n\u0103ng chuy\u00ean bi\u1ec7t ra \u0111\u1eddi. M\u1ed7i thi\u1ebft b\u1ecb l\u1ea1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho m\u00ecnh m\u1ed9t t\u00edn hi\u1ec7u ph\u00f9 h\u1ee3p. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng v\u1edbi nhau. \u0110\u1ec3 &#8230; <a title=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn\" class=\"read-more\" href=\"https:\/\/vn-tech.com.vn\/?p=9224\" aria-label=\"More on B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":8,"featured_media":9228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[229],"tags":[4914,5050],"class_list":["post-9224","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-bo-chuyen-doi-tin-hieu","tag-cam-bien-nhiet-do-pt100"],"lang":"vi","translations":{"vi":9224,"en":13897},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9224"}],"collection":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9224"}],"version-history":[{"count":8,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9224\/revisions"}],"predecessor-version":[{"id":18351,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9224\/revisions\/18351"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/media\/9228"}],"wp:attachment":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}