{"id":25243,"date":"2011-01-13T11:41:10","date_gmt":"2011-01-13T04:41:10","guid":{"rendered":"https:\/\/banbientan.com\/?p=25243"},"modified":"2011-01-13T11:41:10","modified_gmt":"2011-01-13T04:41:10","slug":"tim-hieu-ve-bo-dem-xung-toc-do-cao-hsc-cua-plcmua-ban-sua-chua-bien-tan-tai-ha-noi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25243","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao HSC c\u1ee7a 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\/mid-6.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-25244\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2021\/01\/mid-6.jpg\" alt=\"\" width=\"878\" height=\"368\" \/><\/a>Trong m\u1ed7i lo\u1ea1i plc th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao hsc, v\u1eady ch\u1ee9c n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec ? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng t\u00ecm hi\u1ec3u b\u00e0i vi\u1ebft nh\u01b0 sau.<\/p>\n<h2>B\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao HSC c\u1ee7a PLC l\u00e0 g\u00ec ?<\/h2>\n<p>Trong th\u1ef1c t\u1ebf khi s\u1eed d\u1ee5ng\u00a0plc\u00a0c\u00f3 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng b\u1eaft bu\u1ed9c ch\u00fang ta ph\u1ea3i \u0111\u1ecdc m\u1ed9t s\u1ed1 lo\u1ea1i xung \u1edf t\u1ed1c \u0111\u1ed9 r\u1ea5t cao t\u1eeb 10kHz ho\u1eb7c l\u00ean t\u1edbi v\u00e0i tr\u0103m khz v\u00e0 t\u1ea5t nhi\u00ean trong plc kh\u00f4ng ph\u1ea3i ng\u00f5 v\u00e0o n\u00e0o c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c nh\u1eefng lo\u1ea1i xung t\u1ed1c \u0111\u1ed9 cao \u0111\u00f3.<\/p>\n<p>\u0110a s\u1ed1 c\u00e1c lo\u1ea1i plc th\u01b0\u1eddng ch\u1ec9 t\u00edch h\u1ee3p ng\u00f5 v\u00e0o \u0111\u1ecdc xung t\u1ed1c \u0111\u1ed9 cao \u1edf m\u1ed9t s\u1ed1 ch\u00e2n nh\u1ea5t \u0111\u1ecbnh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi t\u1eaft l\u00e0 hsc. C\u1ee5m t\u1eeb HSC l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb high speed counter d\u1ecbch sang ti\u1ebfng Vi\u1ec7t c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao.<\/p>\n<p>Khi tham kh\u1ea3o c\u1ea5u h\u00ecnh c\u1ee7a m\u1ed9t plc th\u00ec ta c\u0169ng n\u00ean quan t\u00e2m xem plc t\u00edch h\u1ee3p bao nhi\u00eau b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao v\u00e0 t\u1ea7n s\u1ed1 t\u1ed1i \u0111a c\u1ee7a nh\u1eefng ch\u00e2n n\u00e0y l\u00e0 bao nhi\u00eau \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0111\u1ee7 ch\u00e2n \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 s\u1eed d\u1ee5ng ho\u1eb7c t\u1ea7n s\u1ed1 \u0111\u1ebfm t\u1ed1i \u0111a kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 xung c\u1ea7n \u0111\u1ebfm.<\/p>\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao HSC n\u00e0y th\u01b0\u1eddng d\u00f9ng:<\/p>\n<ul>\n<li>\u0110\u1ecdc xung A\/B t\u1eeb encoder \u0111\u1ec3 t\u00ednh t\u1ed1c \u0111\u1ed9 hay v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed9ng c\u01a1 3 pha hay motor servo. L\u01b0u \u00fd b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c encoder d\u1ea1ng t\u01b0\u01a1ng \u0111\u1ed1i incremental.<\/li>\n<li>\u0110\u1ecdc xung t\u1eeb m\u1ed9t s\u1ed1 lo\u1ea1i c\u1ea3m bi\u1ebfn h\u1ed3i ti\u1ebfp xung nh\u01b0 c\u1ea3m bi\u1ebfn si\u00eau \u00e2m hay laser, h\u1ed3ng ngo\u1ea1i.<\/li>\n<li>B\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao c\u00f2n c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111\u1ecdc xung t\u1eeb c\u1ea3m bi\u1ebfn t\u1eeb \u0111o t\u1ea7n s\u1ed1 c\u1ee7a c\u1ea3m bi\u1ebfn.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ebfm xung HSC c\u1ee7a PLC<\/h2>\n<p>M\u1ed7i lo\u1ea1i plc kh\u00e1c nhau th\u00ec s\u1ebd c\u00f3 c\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 l\u1eadp tr\u00ecnh b\u1ed9 hsc kh\u00e1c nhau. C\u00e1c d\u1ea1ng s\u1eed d\u1ee5ng c\u00f3 b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng gi\u1ed1ng nh\u01b0 c\u00e1c t\u00ednh n\u0103ng c\u1ee7a encoder.<\/p>\n<p>V\u00ed d\u1ee5 nh\u01b0 c\u00f3 c\u00e1c ch\u1ebf \u0111\u1ed9 nh\u01b0 \u0111\u1ebfm xung c\u1ea1nh l\u00ean, \u0111\u1ebfm xung canh xu\u1ed1ng, \u0111\u1ebfm xung 2 ng\u00f5 v\u00e0o. \u0110\u1ed1i v\u1edbi c\u00e1c plc c\u00f3 kh\u1ed1i h\u00e0m hsc th\u00ec c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t gi\u00e1 tr\u1ecb out ra khi gi\u00e1 tr\u1ecb \u0111\u1ebfm \u0111\u1ea1t t\u1edbi gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t.<\/p>\n<p>Th\u01b0\u1eddng th\u00ec quy tr\u00ecnh s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ebfm xung t\u1ed1c \u0111\u1ed9 cao hsc tr\u00ean plc th\u01b0\u1eddng s\u1ebd c\u00f3 2 b\u01b0\u1edbc:<\/p>\n<ul>\n<li>B\u01b0\u1edbc 1 c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng v\u00e0 config ng\u00f5 v\u00e0o input \u0111\u1ec3 nh\u1eadn xung t\u1ed1c \u0111\u1ed9 cao.<\/li>\n<li>B\u01b0\u1edbc 2 s\u1ebd l\u00e0 s\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh hay h\u00e0m \u0111\u1ebfm xung \u0111\u1ec3 \u0111\u1ecdc gi\u00e1 tr\u1ecb xung v\u1ec1.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 d\u00f2ng plc c\u00f2n t\u00edch h\u1ee3p s\u1eb5n kh\u1ed1i h\u00e0m \u0111\u1ecdc t\u1ed1c \u0111\u1ed9 ho\u1eb7c t\u1ea7n s\u1ed1, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam trong t\u00e0i li\u1ec7u manual c\u1ee7a t\u1eebng h\u00e3ng plc.<\/p>\n<p>Ngo\u00e0i ra ta n\u00ean s\u1eed d\u1ee5ng linh ho\u1ea1t b\u1eb1ng c\u00e1ch l\u1eadp tr\u00ecnh \u0111\u1ec3 d\u1ef1a v\u00e0o s\u1ed1 xung \u0111\u1ebfm \u0111\u01b0\u1ee3c \u0111\u1ec3 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb s\u1ed1 xung tr\u00ean th\u1eddi gian \u0111\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 d\u00f9ng t\u00ednh to\u00e1n trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh plc.<\/p>\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":25244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[25,48,40],"class_list":["post-25243","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"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25243","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=25243"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25243\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}