{"id":17755,"date":"2022-06-03T16:50:00","date_gmt":"2022-06-03T09:50:00","guid":{"rendered":"https:\/\/vn-tech.com.vn\/?p=17755"},"modified":"2023-03-01T15:36:02","modified_gmt":"2023-03-01T08:36:02","slug":"bo-chuyen-doi-tin-hieu-va-cac-loai-tin-hieu","status":"publish","type":"post","link":"https:\/\/vn-tech.com.vn\/?p=17755","title":{"rendered":"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u v\u00e0 c\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"<h3><a href=\"https:\/\/vn-tech.com.vn\/bo-chuyen-doi-tin-hieu\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/a><\/h3>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u1eeb d\u1ea1ng t\u00edn hi\u1ec7u n\u00e0y sang d\u1ea1ng t\u00edn hi\u1ec7u kh\u00e1c theo c\u00e1c d\u1ea1ng t\u00edn hi\u1ec7u chu\u1ea9n trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p><strong>Ch\u1eb3ng h\u1ea1n nh\u01b0:<\/strong><\/p>\n<ul>\n<li>T\u00edn hi\u1ec7u v\u00e0o l\u00e0 PT, TC t\u00edn hi\u1ec7u ra 4\u202620mA<\/li>\n<li>T\u00edn hi\u1ec7u v\u00e0o 0\u202610V t\u00edn hi\u1ec7u ra 4\u202620mA<\/li>\n<li>T\u00edn hi\u1ec7u v\u00e0o d\u1ea1ng xung cho t\u00edn hi\u1ec7u ra 4\u2026.20mA .v.v.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17764 size-full\" src=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2.jpg\" alt=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u\" width=\"1140\" height=\"450\" srcset=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2.jpg 1140w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2-300x118.jpg 300w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2-1024x404.jpg 1024w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2-768x303.jpg 768w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2022\/05\/b59ed7278b5c7f02264d-2-600x237.jpg 600w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/><\/p>\n<p>T\u00edn hi\u1ec7u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb l\u00e0 ho\u00e0n to\u00e0n kh\u00e1c nhau v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd (v\u00ed d\u1ee5: t\u00edn hi\u1ec7u t\u1eeb <a href=\"https:\/\/vn-tech.com.vn\/cam-bien-nhiet-do-pt100-pr7400.html\"><strong>c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9<\/strong><\/a>, <a href=\"https:\/\/vn-tech.com.vn\/cam-bien-ap-suat\"><strong>c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/strong><\/a>, <a href=\"https:\/\/vn-tech.com.vn\/dong-ho-do-luu-luong-nuoc-wpdk.html\"><strong>\u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng<\/strong><\/a>, <a href=\"https:\/\/vn-tech.com.vn\/cam-bien-do-muc-chat-long-dang-probe-lmp307-bd-sensors.html\"><strong>c\u1ea3m bi\u1ebfn b\u00e1o m\u1ee9c<\/strong><\/a>\u2026). V\u00ec c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n nh\u01b0 PLC s\u1ebd r\u1ea5t kh\u00f3 kh\u0103n \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u1ea7u v\u00e0o, n\u00ean c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u00e0nh d\u1ea1ng t\u00edn hi\u1ec7u d\u1ec5 s\u1eed d\u1ee5ng ho\u1eb7c theo m\u1ed9t chu\u1ea9n chung.<\/p>\n<h3><span id=\"Cac_loai_tin_hieu_trong_san_xuat_cong_nghiep\"><strong><span id=\"Cac_loai_tin_hieu_thuong_thay_trong_cong_nghiep\">C\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p<\/span><\/strong><\/span><\/h3>\n<p>Trong h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p c\u00f3 c\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u nh\u01b0:<\/p>\n<ul>\n<li>T\u00edn hi\u1ec7u analog nh\u01b0: t\u00edn hi\u1ec7u d\u00f2ng, t\u00edn hi\u1ec7u \u00e1p\u2026<\/li>\n<li>T\u00edn hi\u1ec7u xung<\/li>\n<li>T\u00edn hi\u1ec7u s\u1ed1 nh\u01b0: on\/off, relay\u2026<\/li>\n<li>M\u1ed9t s\u1ed1 chu\u1ea9n t\u00edn hi\u1ec7u m\u1ea1ng nh\u01b0: Internet, Modbus RTU, Profibus, CAN Open, \u2026<\/li>\n<\/ul>\n<p>C\u00e1c nghi\u00ean c\u1ee9u trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u1edbi nhi\u1ec1u t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb c\u00e1c lo\u1ea1i: c\u1ea3m bi\u1ebfn, \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng\u2026 kh\u00e1c nhau \u0111\u1ec1u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00f4ng qua m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111\u1ec3 \u0111\u01b0a v\u1ec1 m\u1ed9t t\u00edn hi\u1ec7u chu\u1ea9n. V\u00ed d\u1ee5: t\u00edn hi\u1ec7u 4-20mA hay 0-10V\u2026 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0a v\u1ec1 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n nh\u01b0 PLC thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<h3><span id=\"Can_luu_y_gi_khi_chon_bo_chuyen_doi_tin_hieu\"><strong><span id=\"Can_luu_y_gi_khi_chon_thiet_bi_chuyen_doi_tin_hieu\">C\u1ea7n l\u01b0u \u00fd g\u00ec khi ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/span><\/strong><\/span><\/h3>\n<p>V\u00ec <a href=\"https:\/\/prelectronics.com.vn\/\" target=\"_blank\" rel=\"noopener\"><strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/strong><\/a> hi\u1ec7n nay r\u1ea5t \u0111a d\u1ea1ng m\u1eabu m\u00e3 v\u00e0 r\u1ea5t nhi\u1ec1u t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a v\u00e0o thi\u1ebft b\u1ecb. Cho n\u00ean, v\u1edbi m\u1ed9t d\u1ef1 \u00e1n m\u1edbi hay c\u1ea7n n\u00e2ng c\u1ea5p, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u cho h\u1ec7 th\u1ed1ng th\u00ec c\u00e1c b\u1ea1n c\u1ea7n l\u01b0u \u00fd v\u00e0i \u0111i\u1ec3m sau \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111\u00fang y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>T\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ea7n chuy\u1ec3n \u0111\u1ed5i<\/li>\n<li>S\u1ed1 c\u1ed5ng chuy\u1ec3n \u0111\u1ed5i<\/li>\n<li>T\u00edn hi\u1ec7u \u0111\u1ea7u ra c\u1ea7n chuy\u1ec3n \u0111\u1ed5i<\/li>\n<li>Ngu\u1ed3n c\u1ea5p<\/li>\n<li>C\u00f3 hay kh\u00f4ng c\u00f3 h\u1ec7 s\u1ed1 b\u00f9 cho m\u1ed9t s\u1ed1 lo\u1ea1i c\u1ea3m bi\u1ebfn nh\u01b0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9<\/li>\n<li>\u0110\u1ed9 sai s\u1ed1 cho ph\u00e9p c\u1ee7a thi\u1ebft b\u1ecb,&#8230;<\/li>\n<\/ul>\n<p>M\u1ed9t l\u01b0u \u00fd quan tr\u1ecdng c\u1ea7n ch\u00fa \u00fd l\u00e0 n\u1ebfu l\u00e0 h\u1ec7 th\u1ed1ng m\u1edbi th\u00ec c\u00e1c b\u1ea1n n\u00ean chuy\u1ec3n \u0111\u1ed5i t\u1ea5t c\u1ea3 c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u1ec1 c\u00f9ng m\u1ed9t d\u1ea1ng t\u00edn hi\u1ec7u l\u00e0 4-20mA.<\/p>\n<p><strong><a href=\"https:\/\/vn-tech.com.vn\/\">VN Tech<\/a><\/strong> cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u1edbi ti\u00eau chu\u1ea9n ch\u00e2u \u00e2u cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh l\u00ean \u0111\u1ebfn 5 n\u0103m cho Qu\u00fd kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 y\u00ean t\u00e2m s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n<p>Xem th\u00eam b\u00e0i vi\u1ebft:<\/p>\n<ul>\n<li><a href=\"https:\/\/vn-tech.com.vn\/bo-chuyen-doi-tin-hieu-ac-dc-pr-4179-dan-mach.html\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u AC\/DC \u2013 PR Electronics 4179 \u0110an M\u1ea1ch<\/a><\/li>\n<li><a href=\"https:\/\/vn-tech.com.vn\/10-cau-hoi-man-hinh-hien-thi-tin-hieu-pr-4511.html\">10 c\u00e2u h\u1ecfi \u0111\u00e1p v\u1ec1 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb t\u00edn hi\u1ec7u PR 4511<\/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>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u1eeb d\u1ea1ng t\u00edn hi\u1ec7u n\u00e0y sang d\u1ea1ng t\u00edn hi\u1ec7u kh\u00e1c theo c\u00e1c d\u1ea1ng t\u00edn hi\u1ec7u chu\u1ea9n trong c\u00f4ng nghi\u1ec7p. Ch\u1eb3ng h\u1ea1n nh\u01b0: T\u00edn hi\u1ec7u v\u00e0o l\u00e0 PT, TC t\u00edn hi\u1ec7u ra 4\u202620mA T\u00edn hi\u1ec7u v\u00e0o 0\u202610V t\u00edn hi\u1ec7u &#8230; <a title=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u v\u00e0 c\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn\" class=\"read-more\" href=\"https:\/\/vn-tech.com.vn\/?p=17755\" aria-label=\"More on B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u v\u00e0 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":17764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[229],"tags":[4914,4928,4952,4972,4974,4934],"class_list":["post-17755","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-bo-chuyen-doi-tin-hieu","tag-cam-bien-ap-suat","tag-cam-bien-bao-muc","tag-cam-bien-nhiet-do","tag-dong-ho-do-luu-luong","tag-vn-tech"],"lang":"vi","translations":{"vi":17755},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/17755"}],"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=17755"}],"version-history":[{"count":6,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/17755\/revisions"}],"predecessor-version":[{"id":18267,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/17755\/revisions\/18267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/media\/17764"}],"wp:attachment":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}