{"id":25237,"date":"2011-01-13T11:32:14","date_gmt":"2011-01-13T04:32:14","guid":{"rendered":"https:\/\/banbientan.com\/?p=25237"},"modified":"2011-01-13T11:32:14","modified_gmt":"2011-01-13T04:32:14","slug":"tim-hieu-ve-bo-phat-xung-toc-do-cao-trong-plcmua-ban-sua-chua-bien-tan-tai-ha-noi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25237","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao trong PLC. Mua b\u00e1n s\u1eeda ch\u1eefa bi\u1ebfn t\u1ea7n t\u1ea1i h\u00e0 n\u1ed9i"},"content":{"rendered":"\n<p><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2021\/01\/sp-4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-25238\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2021\/01\/sp-4.jpg\" alt=\"\" width=\"789\" height=\"371\" \/><\/a>Nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi l\u1eadp tr\u00ecnh ph\u1ea3i s\u1eed d\u1ee5ng b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao, v\u1eady c\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 l\u1eadp tr\u00ecnh b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao nh\u01b0 th\u1ebf n\u00e0o ? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n<h2>B\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao c\u1ee7a PLC<\/h2>\n<p>Hi\u1ec7n nay c\u00e1c b\u1ed9\u00a0<a href=\"https:\/\/banbientan.com\" target=\"_blank\" rel=\"noopener noreferrer\">plc<\/a>\u00a0th\u01b0\u1eddng c\u00f3 hai lo\u1ea1i ng\u00f5 ra l\u00e0 relay v\u00e0 transistor. \u0110\u1ed1i v\u1edbi ng\u00f5 ra relay l\u00e0 d\u1ea1ng ng\u00f5 ra \u0111\u00f3ng c\u1eaft b\u1eb1ng ti\u1ebfp \u0111i\u1ec3m c\u01a1 kh\u00ed n\u00ean t\u1ea7n s\u1ed1 \u0111\u00f3ng c\u1eaft r\u1ea5t th\u1ea5p ch\u1ec9 kho\u1ea3ng d\u01b0\u1edbi 1Hz, c\u00f2n \u0111\u1ed1i v\u1edbi d\u1ea1ng ng\u00f5 ra transistor th\u00ec t\u1ea7n s\u1ed1 \u0111\u00f3ng c\u1eaft cao h\u01a1n c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u00e0ng tr\u0103m Khz.<\/p>\n<p>Tuy nhi\u00ean \u0111\u1ec3 ph\u00e1t \u0111\u01b0\u1ee3c xung t\u1eeb 10Khz tr\u1edf l\u00ean th\u00ec plc ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eed d\u1ea1ng c\u00e1c transistor c\u00f3 t\u1ea7n s\u1ed1 \u0111\u00f3ng c\u1eaft cao th\u00ec m\u1edbi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c v\u00e0 gi\u00e1 th\u00e0nh c\u1ee7a transistor n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i cao n\u00ean d\u1eabn t\u1edbi vi\u1ec7c plc ch\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p gi\u1edbi h\u1ea1n s\u1ed1 ch\u00e2n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao n\u00e0y.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft xem d\u00f2ng plc b\u1ea1n \u0111ang s\u1eed d\u1ee5ng t\u00edch h\u1ee3p bao nhi\u00eau ch\u00e2n ph\u00e1t xung v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u00e1t xung t\u1ed1i \u0111a l\u00e0 bao nhi\u00eau th\u00ec c\u00e1c b\u1ea1n vui l\u00f2ng tham kh\u1ea3o trong catalogue ho\u1eb7c manual c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. C\u00e1c d\u00f2ng plc c\u01a1 b\u1ea3n ph\u1ed5 bi\u1ebfn hi\u1ec7n nay \u0111a s\u1ed1 th\u01b0\u1eddng t\u00edch h\u1ee3p th\u1eeb 2-4 ch\u00e2n ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1eeb 10Khz \u0111\u1ebfn 100Khz.<\/p>\n<h2>C\u00e1ch l\u1eadp tr\u00ecnh b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao tr\u00ean PLC<\/h2>\n<p>M\u1ed7i lo\u1ea1i plc th\u01b0\u1eddng c\u00f3 c\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 l\u1eadp tr\u00ecnh b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao kh\u00e1c nhau t\u00f9y v\u00e0o t\u1eadp l\u1ec7nh, tuy nhi\u00ean \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd sau \u0111\u00e2y.<\/p>\n<ul>\n<li>\u0110\u1ea7u ti\u00ean l\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00e2n ph\u00e1t xung, th\u01b0\u1eddng l\u1ea1i nh\u1eefng ch\u00e2n \u0111\u1ea7u ti\u00ean trong ng\u00f5 ra c\u1ee7a plc, ti\u1ebfp theo l\u00e0 c\u00e0i \u0111\u1eb7t t\u1ea7n s\u1ed1 ph\u00e1t xung, v\u00e0 s\u1ed1 xung c\u1ea7n ph\u00e1t.<\/li>\n<li>C\u00f3 m\u1ed9t s\u1ed1 plc c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t xung li\u00ean t\u1ee5c ho\u1eb7c c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t \u0111\u1ed9 r\u1ed9ng c\u1ee7a xung n\u00ean \u0111\u1ed1i v\u1edbi m\u1ed7i \u1ee9ng d\u1ee5ng kh\u00e1c nhau b\u1ea1n c\u00f3 th\u1ec3 linh ho\u1ea1t s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng n\u00e0y.<\/li>\n<\/ul>\n<p>C\u00e1c b\u1ea1n n\u00ean \u0111\u1ecdc th\u00eam c\u00e1c tham s\u1ed1 tr\u1ea1ng th\u00e1i c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t xung nh\u01b0 k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh ph\u00e1t xung hay bit k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh ph\u00e1t xung \u0111\u1ec3 d\u1ec5 d\u00e0ng trong vi\u1ec7c l\u1eadp tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a vi\u1ec7c ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao tr\u00ean plc<\/h2>\n<ul>\n<li>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao tr\u00ean plc \u0111\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed9ng c\u01a1 servo. Ch\u00fang ta c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t servo \u1edf ch\u1ebf \u0111\u1ed9 nh\u1eadn xung \u0111\u1ec3 ch\u1ea1y v\u1ecb tr\u00ed. Mu\u1ed1n \u0111\u1ed9ng c\u01a1 servo bao nhi\u00eau v\u00f2ng th\u00ec ch\u1ec9 c\u1ea7n ph\u00e1t \u0111\u00fang s\u1ed1 xung t\u01b0\u01a1ng \u1ee9ng. T\u1ed1c \u0111\u1ed9 c\u1ee7a motor servo ch\u00ednh l\u00e0 t\u1ea7n s\u1ed1 ph\u00e1t xung, t\u0103ng gi\u1ea3m t\u1ea7n s\u1ed1 n\u00e0y \u0111\u1ec3 t\u0103ng gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1.<\/li>\n<li>Ngo\u00e0i ra th\u00ec ng\u00f5 ra ph\u00e1t xung t\u1ed1c \u0111\u1ed9 cao c\u00f2n \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c bi\u1ebfn t\u1ea7n c\u00f3 ng\u00f5 v\u00e0o nh\u1eadn xung ho\u1eb7c m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ed9ng c\u01a1 nh\u01b0 b\u01b0\u1edbc step hay \u0111\u1ed9ng c\u01a1 DC.<\/li>\n<\/ul>\n<p style=\"text-align: center; background: white; margin: 0in 0in 15.6pt 0in;\" align=\"center\"><strong><span style=\"font-family: 'Arial',sans-serif; color: blue; background: white;\">C\u00f4ng ty TNHH \u0111i\u1ec7n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a H\u01b0ng Long (Hung Long AE Co.,ltd)<\/span><\/strong><\/p>\n<p style=\"text-align: center; background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 15.6pt 0in;\" align=\"center\"><b style=\"box-sizing: border-box;\"><span style=\"font-family: 'Arial',sans-serif; color: #666666;\">S\u1ed1 66, Ng\u00f5 282 Kim Giang, Ph\u01b0\u1eddng \u0110\u1ea1i Kim, Qu\u1eadn Ho\u00e0ng Mai, H\u00e0 N\u1ed9i<\/span><\/b><\/p>\n<p style=\"text-align: center; background: white; margin: 0in 0in 15.6pt 0in;\" align=\"center\"><b><span style=\"font-family: 'Arial',sans-serif; color: #666666;\">Mua b\u00e1n, l\u1eafp \u0111\u1eb7t, c\u00e0i \u0111\u1eb7t, s\u1eeda ch\u1eeda Bi\u1ebfn t\u1ea7n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/span><\/b><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":25238,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[25,48,40,36],"class_list":["post-25237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cau-hoi-ve-bien-tan","tag-bien-tan-cu-gia-re","tag-bien-tan-nhat-ban","tag-bien-tan-trung-quoc-gia-re","tag-sua-chua-bien-tan-2"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25237"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25237\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}