{"id":4808,"date":"2026-01-23T19:46:14","date_gmt":"2026-01-23T19:46:14","guid":{"rendered":"https:\/\/yunrui-controls.com\/?post_type=products&#038;p=4808"},"modified":"2026-03-29T16:14:11","modified_gmt":"2026-03-29T16:14:11","slug":"ejxc40a-differential-pressure-system","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/ejxc40a-differential-pressure-system\/","title":{"rendered":"H\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch c\u1ea3m bi\u1ebfn t\u1eeb xa k\u1ef9 thu\u1eadt s\u1ed1 (DRS) EJXC40A"},"content":{"rendered":"<h3 data-path-to-node=\"2\">Nh\u1eefng l\u1ee3i \u00edch v\u00e0 \u01b0u \u0111i\u1ec3m ch\u00ednh<\/h3>\n<p data-path-to-node=\"3\">Hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi h\u1ec7 th\u1ed1ng mao d\u1eabn: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0ng ch\u1eafn truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng b\u1ecb l\u1ed7i do nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tr\u1ec5 t\u00edn hi\u1ec7u trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng mao d\u1eabn d\u00e0i, EJXC40A s\u1eed d\u1ee5ng giao ti\u1ebfp k\u1ef9 thu\u1eadt s\u1ed1 gi\u1eefa c\u00e1c c\u1ea3m bi\u1ebfn. <span class=\"citation-418 citation-end-418\">\u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf &quot;hi\u1ec7u \u1ee9ng \u1ed1ng kh\u00f3i&quot; v\u00e0 s\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh, mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n nhi\u1ec1u v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh h\u01a1n cho vi\u1ec7c \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng trong c\u00e1c b\u1ed3n ch\u1ee9a cao.<\/span><\/p>\n<p data-path-to-node=\"4\"><span class=\"citation-417 citation-end-417\">T\u1ed1i \u01b0u h\u00f3a cho c\u00e1c b\u1ec3 ch\u1ee9a cao v\u00e0 gi\u00e0n khoan l\u1edbn: V\u1edbi chi\u1ec1u d\u00e0i c\u00e1p chuy\u00ean d\u1ee5ng DRS t\u1ed1i \u0111a l\u00ean \u0111\u1ebfn 45 m\u00e9t (x\u1ea5p x\u1ec9).<\/span> V\u1edbi chi\u1ec1u d\u00e0i 147 feet (kho\u1ea3ng 43 m\u00e9t), h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c t\u00e0i s\u1ea3n quy m\u00f4 l\u1edbn. <span class=\"citation-416 citation-end-416\">\u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u1ed9t ch\u01b0ng c\u1ea5t cao, b\u1ec3 l\u00ean men v\u00e0 c\u00e1c th\u00f9ng ch\u1ee9a c\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c van \u00e1p su\u1ea5t cao v\u00e0 th\u1ea5p.<\/span><\/p>\n<p data-path-to-node=\"5\"><span class=\"citation-415 citation-end-415\">Ph\u00e2n t\u00edch t\u00edn hi\u1ec7u n\u00e2ng cao: EJXC40A t\u00edch h\u1ee3p c\u00e1c kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho nhi\u1ec1u h\u00ecnh d\u1ea1ng b\u1ec3 ch\u1ee9a kh\u00e1c nhau.<\/span> \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e1n th\u1ec3 t\u00edch v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c cho c\u00e1c h\u00ecnh tr\u1ee5 n\u1eb1m ngang, b\u1ec3 h\u00ecnh c\u1ea7u v\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p kh\u00e1c, gi\u1ea3m thi\u1ec3u nhu c\u1ea7u s\u1eed d\u1ee5ng logic t\u00ednh to\u00e1n b\u00ean ngo\u00e0i trong PLC ho\u1eb7c DCS.<\/p>\n<p data-path-to-node=\"6\">\u0110\u1ed9 an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn: An to\u00e0n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o ki\u1ebfn tr\u00fac k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng DRS. <span class=\"citation-414 citation-end-414\">EJXC40A \u0111\u1ea1t ch\u1ee9ng nh\u1eadn Exida SIL 2\/SIL 3, tr\u1edf th\u00e0nh m\u1ed9t linh ki\u1ec7n \u0111\u00e1ng tin c\u1eady cho c\u00e1c H\u1ec7 th\u1ed1ng Thi\u1ebft b\u1ecb An to\u00e0n (SIS) v\u00e0 c\u00e1c v\u00f2ng \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh quan tr\u1ecdng, n\u01a1i c\u1ea7n gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a c\u00e1c s\u1ef1 c\u1ed1 ngo\u00e0i \u00fd mu\u1ed1n.<\/span><\/p>\n<p data-path-to-node=\"7\"><span class=\"citation-413 citation-end-413\">C\u1ea3m bi\u1ebfn k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c cao: B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn DPharp \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh trong c\u1ea3 b\u1ed9 ph\u1eadn ch\u00ednh v\u00e0 ph\u1ee5, h\u1ec7 th\u1ed1ng cung c\u1ea5p ph\u00e9p \u0111o \u0111\u1ed9 ch\u00ednh x\u00e1c cao cho l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc.<\/span> K\u1ebft n\u1ed1i k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c nhi\u1ec5u gi\u1eefa hai \u0111i\u1ec3m c\u1ea3m bi\u1ebfn.<\/p>\n<p data-path-to-node=\"8\">Gi\u1ea3m chi ph\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec: C\u00e1p truy\u1ec1n th\u00f4ng DRS linh ho\u1ea1t d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 \u0111i d\u00e2y h\u01a1n so v\u1edbi c\u00e1p mao d\u1eabn c\u1ee9ng ho\u1eb7c ch\u1ee9a d\u1ea7u. H\u01a1n n\u1eefa, vi\u1ec7c kh\u00f4ng c\u1ea7n ch\u1ea5t l\u1ecfng l\u00e0m \u0111\u1ea7y trong c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i gi\u00fap lo\u1ea1i b\u1ecf nguy c\u01a1 r\u00f2 r\u1ec9 v\u00e0 gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c b\u1ea3o tr\u00ec trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 nh\u00e0 m\u00e1y.<\/p>\n<h4 data-path-to-node=\"9\">\u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt<\/h4>\n<p data-path-to-node=\"10\"><span class=\"citation-412 citation-end-412\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng: C\u1ea3m bi\u1ebfn t\u1eeb xa k\u1ef9 thu\u1eadt s\u1ed1 k\u00e9p (B\u1ed9 ph\u1eadn ch\u00ednh v\u00e0 b\u1ed9 ph\u1eadn ph\u1ee5).<\/span><\/p>\n<p data-path-to-node=\"11\"><span class=\"citation-411 citation-end-411\">Ph\u01b0\u01a1ng th\u1ee9c li\u00ean l\u1ea1c: C\u00e1p truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1 chuy\u00ean d\u1ee5ng DRS.<\/span><\/p>\n<p data-path-to-node=\"12\">Chi\u1ec1u d\u00e0i c\u00e1p t\u1ed1i \u0111a: 45 m\u00e9t.<\/p>\n<p data-path-to-node=\"13\"><span class=\"citation-410 citation-end-410\">D\u1ecbch v\u1ee5: \u0110o l\u01b0u l\u01b0\u1ee3ng, m\u1ef1c ch\u1ea5t l\u1ecfng, m\u1eadt \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t (ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc).<\/span><\/p>\n<p data-path-to-node=\"14\">T\u00edn hi\u1ec7u \u0111\u1ea7u ra: 4 \u0111\u1ebfn 20 mA DC v\u1edbi giao ti\u1ebfp k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n<p data-path-to-node=\"15\">X\u1ebfp h\u1ea1ng an to\u00e0n: \u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn b\u1edfi Exida SIL 2 \/ SIL 3.<\/p>\n<p data-path-to-node=\"16\">C\u1ea5u h\u00ecnh: \u0110\u1eb7c tr\u01b0ng h\u00f3a t\u00edn hi\u1ec7u cho c\u00e1c lo\u1ea1i v\u00e0 h\u00ecnh d\u1ea1ng b\u1ec3 ch\u1ee9a kh\u00e1c nhau.<\/p>\n<p data-path-to-node=\"17\">Hi\u1ec7u n\u0103ng: \u0110\u1ed9 tin c\u1eady cao v\u1edbi kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n so v\u1edbi c\u00e1c lo\u1ea1i gio\u0103ng truy\u1ec1n th\u1ed1ng.<\/p>\n<h5 data-path-to-node=\"18\">L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/h5>\n<p data-path-to-node=\"19\">H\u1ec7 th\u1ed1ng EJXC40A DRS l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch trong c\u00e1c c\u00f4ng tr\u00ecnh cao t\u1ea7ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 nh\u1ecbp r\u1ed9ng, n\u01a1i m\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<p data-path-to-node=\"20\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh:<\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\">Ng\u00e0nh D\u1ea7u kh\u00ed: \u0110o m\u1ee9c ch\u1ea5t l\u1ecfng trong c\u00e1c th\u00e1p l\u1ecdc d\u1ea7u cao, thi\u1ebft b\u1ecb t\u00e1ch v\u00e0 b\u1ec3 ch\u1ee9a ngo\u00e0i kh\u01a1i.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\">Ng\u00e0nh h\u00f3a ch\u1ea5t v\u00e0 h\u00f3a d\u1ea7u: Gi\u00e1m s\u00e1t m\u1eadt \u0111\u1ed9 v\u00e0 m\u1ee9c ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng v\u00e0 c\u1ed9t ch\u01b0ng c\u1ea5t cao t\u1ea7ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,2,0\">Ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng: Ki\u1ec3m so\u00e1t m\u1ee9c ch\u1ea5t l\u1ecfng ch\u00ednh x\u00e1c trong c\u00e1c b\u1ec3 l\u00ean men v\u00e0 silo l\u1edbn, n\u01a1i y\u00eau c\u1ea7u s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u1ec1 v\u1ec7 sinh v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,3,0\">Ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m: Qu\u1ea3n l\u00fd t\u1ed3n kho trong c\u00e1c b\u1ed3n ch\u1ee9a l\u1edbn d\u1ea1ng \u0111\u1ee9ng v\u00e0 b\u1ec3 x\u1eed l\u00fd ch\u00e2n kh\u00f4ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,4,0\">Ph\u00e1t \u0111i\u1ec7n: \u0110o m\u1ef1c n\u01b0\u1edbc trong c\u00e1c th\u00f9ng ch\u1ee9a n\u01b0\u1edbc c\u1ee7a n\u1ed3i h\u01a1i v\u00e0 thi\u1ebft b\u1ecb kh\u1eed kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 \u0111\u01b0\u1eddng \u1ed1ng cao t\u1ea7ng.<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>C\u1ea3m bi\u1ebfn t\u1eeb xa k\u1ef9 thu\u1eadt s\u1ed1 Yokogawa EJXC40A (DRS) l\u00e0 h\u1ec7 th\u1ed1ng \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a c\u00e1c mao qu\u1ea3n m\u00e0ng ch\u1eafn truy\u1ec1n th\u1ed1ng trong c\u00e1c b\u1ec3 ch\u1ee9a cao v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch xa. B\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i m\u1ed9t c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t cao ch\u00ednh v\u00e0 m\u1ed9t c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t th\u1ea5p ph\u1ee5 th\u00f4ng qua m\u1ed9t c\u00e1p truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1 chuy\u00ean d\u1ee5ng, EJXC40A cung c\u1ea5p t\u00edn hi\u1ec7u analog 4 \u0111\u1ebfn 20 mA c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ec3 \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng, l\u01b0u l\u01b0\u1ee3ng, m\u1eadt \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t. V\u1edbi ch\u1ee9ng nh\u1eadn Exida SIL 2\/3 v\u00e0 chi\u1ec1u d\u00e0i c\u00e1p t\u1ed1i \u0111a 45 m\u00e9t, EJXC40A \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t nh\u1ea5t.<\/p>","protected":false},"author":1,"featured_media":4809,"parent":0,"menu_order":608,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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