{"id":23327,"date":"2026-03-29T10:42:00","date_gmt":"2026-03-29T02:42:00","guid":{"rendered":"https:\/\/viox.com\/?p=23327"},"modified":"2026-03-29T10:42:02","modified_gmt":"2026-03-29T02:42:02","slug":"emc-vs-standard-cable-glands","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/emc-vs-standard-cable-glands\/","title":{"rendered":"Ph\u00e2n bi\u1ec7t EMC v\u00e0 \u1ed0ng lu\u1ed3n d\u00e2y \u0111i\u1ec7n ti\u00eau chu\u1ea9n: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn"},"content":{"rendered":"<div class=\"product-intro\">\n<p>N\u1ebfu b\u1ea1n \u0111ang so s\u00e1nh <strong>\u1ed0ng lu\u1ed3n c\u00e1p EMC so v\u1edbi \u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/strong>, s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i r\u1ea5t \u0111\u01a1n gi\u1ea3n: <strong>\u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n ch\u1ee7 y\u1ebfu cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u1eef c\u00e1p, l\u00e0m k\u00edn v\u00e0 gi\u1ea3m c\u0103ng, trong khi \u1ed1ng lu\u1ed3n c\u00e1p EMC b\u1ed5 sung \u0111\u01b0\u1eddng d\u1eabn ti\u1ebfp \u0111\u1ea5t d\u1eabn \u0111i\u1ec7n 360 \u0111\u1ed9 cho c\u00e1p \u0111\u01b0\u1ee3c b\u1ecdc ho\u1eb7c che ch\u1eafn.<\/strong><\/p>\n<figure style=\"text-align: center;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Side-by-side-comparison-of-an-EMC-cable-gland-and-a-standard-cable-gland-with-shielded-and-unshielded-cables.webp\" alt=\"Side-by-side comparison of an EMC cable gland and a standard cable gland with shielded and unshielded cables\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic;\">So s\u00e1nh c\u1ea1nh nhau gi\u1eefa \u1ed1ng lu\u1ed3n c\u00e1p EMC v\u00e0 \u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n minh h\u1ecda vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn.<\/figcaption><\/figure>\n<p>Ch\u1ee9c n\u0103ng EMC b\u1ed5 sung \u0111\u00f3 r\u1ea5t quan tr\u1ecdng trong c\u00e1c c\u00e0i \u0111\u1eb7t m\u00e0 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u, t\u0103ng ph\u00e1t x\u1ea1 ho\u1eb7c t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 tu\u00e2n th\u1ee7. Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00e1p v\u00e0o c\u00f3 \u0111\u1ed9 \u1ed3n th\u1ea5p, kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn ho\u1eb7c ho\u00e0n to\u00e0n c\u01a1 h\u1ecdc, \u1ed1ng lu\u1ed3n ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 \u0111\u1ee7. Trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng bi\u1ebfn t\u1ea7n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n servo, thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c \u0111\u01b0\u1ee3c che ch\u1eafn v\u00e0 t\u1ee7 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p, \u1ed1ng lu\u1ed3n EMC th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt t\u1ed1t h\u01a1n.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh khi n\u00e0o c\u1ea7n \u1ed1ng lu\u1ed3n EMC, khi n\u00e0o \u1ed1ng lu\u1ed3n ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7 v\u00e0 nh\u1eefng g\u00ec c\u1ea7n ki\u1ec3m tra tr\u01b0\u1edbc khi ch\u1ecdn m\u1ed9t trong hai.<\/p>\n<h2>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul>\n<li><strong>\u1ed0ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/strong> t\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m k\u00edn, gi\u1eef v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li><strong>\u0110\u1ea7u n\u1ed1i c\u00e1p EMC<\/strong> th\u1ef1c hi\u1ec7n nh\u1eefng c\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n t\u01b0\u01a1ng t\u1ef1 \u0111\u1ed3ng th\u1eddi t\u1ea1o ra k\u1ebft n\u1ed1i tr\u1edf kh\u00e1ng th\u1ea5p gi\u1eefa l\u1edbp ch\u1eafn c\u00e1p v\u00e0 v\u1ecf b\u1ecdc.<\/li>\n<li>\u1ed0ng lu\u1ed3n EMC h\u1eefu \u00edch nh\u1ea5t v\u1edbi <strong>c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn ho\u1eb7c b\u1ec7n<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u01a1i c\u00f3 VFD, \u1ed5 \u0111\u0129a servo, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u1eb7c t\u00edn hi\u1ec7u nh\u1ea1y c\u1ea3m.<\/li>\n<li>\u1ed0ng lu\u1ed3n ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho <strong>d\u00e2y ngu\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn ho\u1eb7c d\u00e2y \u0111a n\u0103ng<\/strong> n\u01a1i t\u00ednh li\u00ean t\u1ee5c EMC kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft k\u1ebf.<\/li>\n<li>L\u1ef1a ch\u1ecdn \u0111\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac c\u00e1p, chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn, li\u00ean k\u1ebft v\u1ecf b\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng EMI, kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean x\u1ebfp h\u1ea1ng IP ho\u1eb7c k\u00edch th\u01b0\u1edbc ren.<\/li>\n<\/ul>\n<h2>So s\u00e1nh nhanh \u1ed1ng lu\u1ed3n c\u00e1p EMC v\u00e0 \u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/h2>\n<figure style=\"text-align: center;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-infographic-comparing-EMC-and-standard-cable-glands-by-function-and-application.webp\" alt=\"Technical infographic comparing EMC and standard cable glands by function and application\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic;\">Bi\u1ec3u \u0111\u1ed3 th\u00f4ng tin k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n so s\u00e1nh \u1ed1ng lu\u1ed3n c\u00e1p EMC v\u00e0 ti\u00eau chu\u1ea9n theo c\u00e1c ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i v\u00e0 \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p l\u00fd t\u01b0\u1edfng c\u1ee7a ch\u00fang.<\/figcaption><\/figure>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%; text-align: left;\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">T\u1ed1<\/th>\n<th style=\"padding: 8px;\">\u1ed0c n\u1ed1i c\u00e1p EMC<\/th>\n<th style=\"padding: 8px;\">\u1ed0ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><\/td>\n<td style=\"padding: 8px;\">L\u00e0m k\u00edn, gi\u1ea3m c\u0103ng v\u00e0 ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn<\/td>\n<td style=\"padding: 8px;\">L\u00e0m k\u00edn v\u00e0 gi\u1ea3m c\u0103ng<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>T\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp ch\u1eafn<\/strong><\/td>\n<td style=\"padding: 8px;\">C\u00f3, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i l\u1edbp b\u1ec7n ho\u1eb7c l\u00e1 ch\u1eafn v\u1edbi th\u00e2n \u1ed1ng lu\u1ed3n<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng, kh\u00f4ng d\u00e0nh cho ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn 360 \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Lo\u1ea1i c\u00e1p \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td style=\"padding: 8px;\">C\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn, b\u1ecdc ho\u1eb7c b\u1ec7n<\/td>\n<td style=\"padding: 8px;\">C\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn ho\u1eb7c c\u00e1p c\u00f3 ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Hi\u1ec7u su\u1ea5t EMI\/EMC<\/strong><\/td>\n<td style=\"padding: 8px;\">Gi\u00fap duy tr\u00ec hi\u1ec7u qu\u1ea3 che ch\u1eafn<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng t\u1ef1 cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp \u0111\u1ea5t EMC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0110\u1ed9 nh\u1ea1y c\u00e0i \u0111\u1eb7t<\/strong><\/td>\n<td style=\"padding: 8px;\">Cao h\u01a1n, v\u00ec ch\u1ea5t l\u01b0\u1ee3ng ti\u1ebfp x\u00fac l\u1edbp ch\u1eafn r\u1ea5t quan tr\u1ecdng<\/td>\n<td style=\"padding: 8px;\">Th\u1ea5p h\u01a1n, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u01a1 h\u1ecdc v\u00e0 l\u00e0m k\u00edn<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td style=\"padding: 8px;\">VFD, \u1ed5 \u0111\u0129a servo, t\u1ee7 \u0111i\u1ec1u khi\u1ec3n, c\u00e1p d\u1eef li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c<\/td>\n<td style=\"padding: 8px;\">Ph\u00e2n ph\u1ed1i \u0111i\u1ec7n chung, chi\u1ebfu s\u00e1ng, c\u00e1p ti\u1ec7n \u00edch, m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ed3n th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Chi ph\u00ed<\/strong><\/td>\n<td style=\"padding: 8px;\">Th\u01b0\u1eddng cao h\u01a1n<\/td>\n<td style=\"padding: 8px;\">Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ed0ng lu\u1ed3n c\u00e1p EMC l\u00e0 g\u00ec?<\/h2>\n<p>M\u1ed9t <strong>\u1ed0ng lu\u1ed3n c\u00e1p EMC<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00e1p v\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn, n\u01a1i c\u1ea7n c\u00f3 t\u00ednh li\u00ean t\u1ee5c \u0111i\u1ec7n gi\u1eefa l\u1edbp ch\u1eafn c\u00e1p v\u00e0 v\u1ecf b\u1ecdc ho\u1eb7c th\u00e2n \u1ed1ng lu\u1ed3n. Ngo\u00e0i vi\u1ec7c l\u00e0m k\u00edn v\u00e0 gi\u1eef c\u01a1 h\u1ecdc, n\u00f3 c\u00f2n cung c\u1ea5p m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn d\u1eabn \u0111i\u1ec7n t\u1eeb l\u1edbp b\u1ec7n, l\u00e1 ho\u1eb7c m\u00e0n ch\u1eafn xu\u1ed1ng \u0111\u1ea5t ho\u1eb7c \u0111\u1ea5t v\u1ecf b\u1ecdc.<\/p>\n<p>C\u00e1ch n\u00f3 th\u01b0\u1eddng th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y l\u00e0 th\u00f4ng qua m\u1ed9t h\u1ec7 th\u1ed1ng ti\u1ebfp x\u00fac b\u00ean trong nh\u01b0:<\/p>\n<ul>\n<li>l\u00f2 xo ti\u1ebfp x\u00fac<\/li>\n<li>n\u00f3n ti\u1ebfp x\u00fac<\/li>\n<li>c\u1ea5u tr\u00fac k\u1eb9p l\u1edbp ch\u1eafn<\/li>\n<li>ch\u00e8n d\u1eabn \u0111i\u1ec7n \u00e9p xung quanh m\u00e0n ch\u1eafn c\u00e1p<\/li>\n<\/ul>\n<p>\u0110i\u1ec3m quan tr\u1ecdng kh\u00f4ng ch\u1ec9 l\u00e0 \u201ckim lo\u1ea1i ch\u1ea1m v\u00e0o kim lo\u1ea1i\u201d. \u0110i\u1ec3m quan tr\u1ecdng l\u00e0 <strong>ti\u1ebfp x\u00fac chu vi r\u1ed9ng, tr\u1edf kh\u00e1ng th\u1ea5p<\/strong> gi\u00fap b\u1ea3o to\u00e0n hi\u1ec7u su\u1ea5t che ch\u1eafn t\u1ed1t h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp \u0111\u1ea5t \u0111u\u00f4i chu\u1ed9t nh\u1ecf ho\u1eb7c \u0111\u1eb7c bi\u1ec7t.<\/p>\n<h2>\u1ed0ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n l\u00e0 g\u00ec?<\/h2>\n<p>M\u1ed9t <strong>\u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh c\u00e1p \u1edf n\u01a1i n\u00f3 \u0111i v\u00e0o v\u1ecf b\u1ecdc \u0111\u1ed3ng th\u1eddi cung c\u1ea5p kh\u1ea3 n\u0103ng l\u00e0m k\u00edn m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m c\u0103ng v\u00e0 h\u1ed7 tr\u1ee3 c\u01a1 h\u1ecdc. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nylon, \u0111\u1ed3ng thau m\u1ea1 niken, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng.<\/p>\n<p>Nh\u1eefng g\u00ec m\u1ed9t \u1ed1ng lu\u1ed3n ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0m <strong>kh\u00f4ng<\/strong> l\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn chuy\u00ean d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t EMI. N\u00f3 c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p v\u00e0 ng\u0103n b\u1ee5i v\u00e0 h\u01a1i \u1ea9m, nh\u01b0ng n\u00f3 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng b\u1ea3o to\u00e0n hi\u1ec7u su\u1ea5t EMC c\u1ee7a c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn.<\/p>\n<h2>S\u1ef1 kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf: Ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn<\/h2>\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 nhi\u1ec1u trang so s\u00e1nh \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 m\u1ee9c.<\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 gi\u1eefa \u1ed1ng lu\u1ed3n c\u00e1p EMC v\u00e0 ti\u00eau chu\u1ea9n kh\u00f4ng ch\u1ec9 l\u00e0 v\u1eadt li\u1ec7u ho\u1eb7c gi\u00e1 c\u1ea3. \u0110\u00f3 l\u00e0 <strong>c\u00e1ch l\u1edbp ch\u1eafn c\u00e1p \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t t\u1ea1i l\u1ed1i v\u00e0o v\u1ecf b\u1ecdc<\/strong>.<\/p>\n<figure style=\"text-align: center;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-cross-section-showing-the-difference-between-EMC-shield-termination-and-a-standard-cable-gland-entry.webp\" alt=\"Technical cross-section showing the difference between EMC shield termination and a standard cable gland entry\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic;\">M\u1eb7t c\u1eaft k\u1ef9 thu\u1eadt chi ti\u1ebft l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 kh\u00e1c bi\u1ec7t b\u00ean trong gi\u1eefa ti\u1ebfp \u0111\u1ea5t l\u1edbp ch\u1eafn EMC 360 \u0111\u1ed9 v\u00e0 l\u1ed1i v\u00e0o \u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n.<\/figcaption><\/figure>\n<h3>H\u00e0nh vi c\u1ee7a \u1ed1ng lu\u1ed3n ti\u00eau chu\u1ea9n<\/h3>\n<p>V\u1edbi \u1ed1ng lu\u1ed3n ti\u00eau chu\u1ea9n:<\/p>\n<ul>\n<li>\u00e1o kho\u00e1c ngo\u00e0i \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i<\/li>\n<li>\u0111i\u1ec3m v\u00e0o \u0111\u01b0\u1ee3c l\u00e0m k\u00edn<\/li>\n<li>c\u00e1p \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc<\/li>\n<li>Th\u00f4ng th\u01b0\u1eddng, l\u1edbp v\u1ecf b\u1ecdc \u0111\u01b0\u1ee3c \u0111\u1ec3 h\u1edf t\u1ea1i \u0111\u1ea7u n\u1ed1i c\u00e1p, tr\u1eeb khi \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u1edf n\u01a1i kh\u00e1c.<\/li>\n<\/ul>\n<p>\u0110i\u1ec1u \u0111\u00f3 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c n\u1ebfu:<\/p>\n<ul>\n<li>C\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p.<\/li>\n<li>R\u1ee7i ro EMI th\u1ea5p.<\/li>\n<li>L\u1edbp v\u1ecf b\u1ecdc \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng k\u1eb9p EMC chuy\u00ean d\u1ee5ng ho\u1eb7c t\u1ea5m n\u1ed1i \u0111\u1ea5t EMC \u1edf n\u01a1i kh\u00e1c b\u00ean trong t\u1ee7 \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h3>\u0110\u1eb7c t\u00ednh c\u1ee7a \u0111\u1ea7u n\u1ed1i c\u00e1p EMC<\/h3>\n<p>V\u1edbi \u0111\u1ea7u n\u1ed1i c\u00e1p EMC:<\/p>\n<ul>\n<li>L\u01b0\u1edbi ho\u1eb7c l\u1edbp ch\u1eafn c\u1ee7a c\u00e1p \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u00fd.<\/li>\n<li>L\u1edbp v\u1ecf b\u1ecdc \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi th\u00e2n \u0111\u1ea7u n\u1ed1i c\u00e1p.<\/li>\n<li>Th\u00e2n \u0111\u1ea7u n\u1ed1i c\u00e1p tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u01b0\u1eddng n\u1ed1i \u0111\u1ea5t c\u1ee7a v\u1ecf t\u1ee7 \u0111i\u1ec7n.<\/li>\n<li>T\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp ch\u1eafn \u0111\u01b0\u1ee3c duy tr\u00ec hi\u1ec7u qu\u1ea3 h\u01a1n tr\u00ean to\u00e0n b\u1ed9 \u0111\u1ea7u v\u00e0o c\u00e1p.<\/li>\n<\/ul>\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb khi b\u1ea3n th\u00e2n c\u00e1p l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c EMC, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ecbnh tuy\u1ebfn c\u01a1 h\u1ecdc.<\/p>\n<h2>Khi N\u00e0o \u0110\u1ea7u N\u1ed1i C\u00e1p Ti\u00eau Chu\u1ea9n Th\u01b0\u1eddng \u0110\u1ee7<\/h2>\n<p>\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p khi t\u00ednh li\u00ean t\u1ee5c EMC kh\u00f4ng ph\u1ea3i l\u00e0 y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n<p>V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh:<\/p>\n<ul>\n<li>C\u00e1p ngu\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p<\/li>\n<li>m\u1ea1ch chi\u1ebfu s\u00e1ng<\/li>\n<li>H\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n ti\u1ec7n \u00edch chung<\/li>\n<li>H\u1ed9p n\u1ed1i c\u01a1 b\u1ea3n<\/li>\n<li>V\u1ecf b\u1ecdc ngo\u00e0i tr\u1eddi, n\u01a1i m\u1ed1i quan t\u00e2m ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng x\u00e2m nh\u1eadp (IP) h\u01a1n l\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u<\/li>\n<\/ul>\n<p>Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c tr\u1ea3 th\u00eam ti\u1ec1n cho \u0111\u1ea7u n\u1ed1i c\u00e1p EMC c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng theo b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o c\u00f3 \u00fd ngh\u0129a.<\/p>\n<p>\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n c\u0169ng v\u1eabn ph\u1ed5 bi\u1ebfn \u1edf nh\u1eefng n\u01a1i l\u1edbp ch\u1eafn c\u00e1p \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf n\u01a1i kh\u00e1c trong t\u1ee7 \u0111i\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thanh n\u1ed1i \u0111\u1ea5t chuy\u00ean d\u1ee5ng, k\u1eb9p EMC ho\u1eb7c ph\u1ea7n c\u1ee9ng k\u1ebft n\u1ed1i l\u1edbp ch\u1eafn thay v\u00ec t\u1ea1i ch\u00ednh \u0111\u1ea7u n\u1ed1i c\u00e1p.<\/p>\n<h2>Khi N\u00e0o \u0110\u1ea7u N\u1ed1i C\u00e1p EMC L\u00e0 L\u1ef1a Ch\u1ecdn T\u1ed1t H\u01a1n<\/h2>\n<p>\u0110\u1ea7u n\u1ed1i c\u00e1p EMC tr\u1edf n\u00ean c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n nhi\u1ec1u khi l\u1edbp ch\u1eafn c\u00e1p c\u00f3 vai tr\u00f2 quan tr\u1ecdng v\u1ec1 m\u1eb7t ch\u1ee9c n\u0103ng.<\/p>\n<figure style=\"text-align: center;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-application-guide-showing-when-to-use-EMC-cable-glands-and-when-standard-cable-glands-are-sufficient.webp\" alt=\"Technical application guide showing when to use EMC cable glands and when standard cable glands are sufficient\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic;\">H\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng tr\u1ef1c quan minh h\u1ecda khi n\u00e0o c\u00e1c y\u00eau c\u1ea7u EMC cao \u0111\u00f2i h\u1ecfi \u0111\u1ea7u n\u1ed1i c\u00e1p EMC so v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7.<\/figcaption><\/figure>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ul>\n<li>C\u00e1p \u0111\u1ed9ng c\u01a1 bi\u1ebfn t\u1ea7n (VFD)<\/li>\n<li>H\u1ec7 th\u1ed1ng servo drive<\/li>\n<li>C\u00e1p b\u1ed9 m\u00e3 h\u00f3a v\u00e0 ph\u1ea3n h\u1ed3i<\/li>\n<li>H\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111o \u0111\u1ea1c \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p<\/li>\n<li>C\u00e1p Ethernet ho\u1eb7c c\u00e1p truy\u1ec1n th\u00f4ng c\u00f4ng nghi\u1ec7p trong c\u00e1c t\u1ee7 \u0111i\u1ec7n \u1ed3n \u00e0o<\/li>\n<li>T\u1ee7 \u0111i\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f3 bi\u1ebfn t\u1ea7n, b\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed t\u1ea7n s\u1ed1 cao<\/li>\n<li>H\u1ec7 th\u1ed1ng robot v\u00e0 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng<\/li>\n<\/ul>\n<p>Trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n tr\u00ean c\u00e1p \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu chi\u1ebfn l\u01b0\u1ee3c EMC ngay t\u1ea1i ranh gi\u1edbi v\u1ecf t\u1ee7 \u0111i\u1ec7n.<\/p>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng Ph\u1ed5 Bi\u1ebfn: \u0110\u1ea7u N\u1ed1i C\u00e1p EMC so v\u1edbi Ti\u00eau Chu\u1ea9n<\/h2>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%; text-align: left;\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u1ee8ng d\u1ee5ng<\/th>\n<th style=\"padding: 8px;\">L\u1ef1a Ch\u1ecdn T\u1ed1t H\u01a1n<\/th>\n<th style=\"padding: 8px;\">T\u1ea1i sao<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">C\u00e1p ngu\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p v\u00e0o h\u1ed9p ti\u1ec7n \u00edch<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n<\/td>\n<td style=\"padding: 8px;\">Kh\u1ea3 n\u0103ng l\u00e0m k\u00edn v\u00e0 gi\u1eef c\u00e1p l\u00e0 nh\u1eefng y\u00eau c\u1ea7u ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">C\u00e1p \u0111\u1ed9ng c\u01a1 VFD \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p \u0111i v\u00e0o t\u1ee7 bi\u1ebfn t\u1ea7n<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p EMC<\/td>\n<td style=\"padding: 8px;\">T\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp ch\u1eafn v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec5u l\u00e0 quan tr\u1ecdng<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u0110\u1ea7u v\u00e0o c\u00e1p chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi c\u01a1 b\u1ea3n<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n<\/td>\n<td style=\"padding: 8px;\">Th\u01b0\u1eddng kh\u00f4ng y\u00eau c\u1ea7u k\u1ebft n\u1ed1i EMC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">T\u1ee7 servo c\u00f3 c\u00e1p \u0111i\u1ec1u khi\u1ec3n b\u1ec7n<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p EMC<\/td>\n<td style=\"padding: 8px;\">Gi\u00fap gi\u1ea3m \u0111\u1ed9 nh\u1ea1y v\u00e0 ph\u00e1t x\u1ea1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">V\u1ecf b\u1ecdc thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c c\u00f3 c\u00e1p t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p EMC ho\u1eb7c h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i l\u1edbp ch\u1eafn chuy\u00ean d\u1ee5ng<\/td>\n<td style=\"padding: 8px;\">T\u00f9y thu\u1ed9c v\u00e0o chi\u1ebfn l\u01b0\u1ee3c k\u1ebft n\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u0110\u1ea7u v\u00e0o c\u00e1p \u0111a n\u0103ng cho c\u00e1c t\u1ea3i kh\u00f4ng nh\u1ea1y c\u1ea3m<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n<\/td>\n<td style=\"padding: 8px;\">Chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0110\u1ea7u N\u1ed1i C\u00e1p EMC so v\u1edbi Ti\u00eau Chu\u1ea9n trong H\u1ec7 Th\u1ed1ng VFD v\u00e0 Drive<\/h2>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng l\u0129nh v\u1ef1c quy\u1ebft \u0111\u1ecbnh r\u00f5 r\u00e0ng nh\u1ea5t.<\/p>\n<p>Trong c\u00e1c c\u00e0i \u0111\u1eb7t VFD v\u00e0 drive, l\u1edbp ch\u1eafn c\u00e1p th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 th\u1ef1c t\u1ebf trong vi\u1ec7c gi\u1ea3m nhi\u1ec5u b\u1ee9c x\u1ea1 v\u00e0 nhi\u1ec5u d\u1eabn. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ea7u v\u00e0o v\u1ecf t\u1ee7 \u0111i\u1ec7n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c coi ch\u1ec9 l\u00e0 m\u1ed9t l\u1ed7 c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m k\u00edn. Ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i l\u1edbp ch\u1eafn l\u00e0 quan tr\u1ecdng.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1p drive \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p, \u0111\u1ea7u n\u1ed1i c\u00e1p EMC c\u00f3 th\u1ec3 gi\u00fap duy tr\u00ec ti\u1ebfp x\u00fac l\u1edbp ch\u1eafn 360 \u0111\u1ed9 t\u1ea1i th\u00e0nh t\u1ee7 \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng t\u1ed1t h\u01a1n l\u00e0 \u0111\u1ec3 l\u1edbp ch\u1eafn h\u1edf cho \u0111\u1ebfn \u0111i\u1ec3m k\u1ebft n\u1ed1i sau n\u00e0y. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 m\u1ecdi c\u00e1p VFD ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i c\u00e1p EMC trong m\u1ecdi b\u1ed1 c\u1ee5c, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 <strong>H\u1ec7 th\u1ed1ng drive l\u00e0 m\u1ed9t trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i c\u00e1p EMC thay v\u00ec \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n<\/strong>.<\/p>\n<h2>M\u1ed9t V\u00ed D\u1ee5 Th\u1ef1c T\u1ebf V\u1ec1 X\u00e2y D\u1ef1ng T\u1ee7 \u0110i\u1ec7n<\/h2>\n<p>Trong m\u1ed9t b\u1ea3n d\u1ef1ng t\u1ee7 \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p \u0111i\u1ec3n h\u00ecnh, s\u1ef1 kh\u00e1c bi\u1ec7t tr\u1edf n\u00ean r\u00f5 r\u00e0ng khi b\u1ea1n so s\u00e1nh hai t\u1ee7 \u0111i\u1ec7n c\u1ea1nh nhau.<\/p>\n<p>Trong m\u1ed9t h\u1ed9p n\u1ed1i ngo\u00e0i tr\u1eddi \u0111\u01a1n gi\u1ea3n mang d\u00e2y ngu\u1ed3n ho\u1eb7c d\u00e2y \u0111i\u1ec7n ti\u1ec7n \u00edch kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p, \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng nh\u1ea5t. C\u00e1c \u01b0u ti\u00ean l\u00e0 l\u00e0m k\u00edn, gi\u1eef c\u00e1p v\u00e0 \u0111\u1ed9 b\u1ec1n. C\u00f3 r\u1ea5t \u00edt gi\u00e1 tr\u1ecb trong vi\u1ec7c tr\u1ea3 ti\u1ec1n cho ph\u1ea7n c\u1ee9ng EMC n\u1ebfu b\u1ea3n th\u00e2n c\u00e1p kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m so\u00e1t EMC.<\/p>\n<p>B\u00e2y gi\u1edd h\u00e3y so s\u00e1nh \u0111i\u1ec1u \u0111\u00f3 v\u1edbi m\u1ed9t t\u1ee7 \u0111i\u1ec7n drive ch\u1ee9a VFD, c\u00e1p \u0111\u1ed9ng c\u01a1, \u0111\u01b0\u1eddng d\u00e2y b\u1ed9 m\u00e3 h\u00f3a v\u00e0 m\u1ed9t v\u00e0i t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n nh\u1ea1y c\u1ea3m. Trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f3, nh\u1eefng ng\u01b0\u1eddi x\u00e2y d\u1ef1ng t\u1ee7 \u0111i\u1ec7n th\u01b0\u1eddng th\u1ea5y r\u1eb1ng \u0111i\u1ec3m v\u00e0o c\u00e1p tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng \u0111i\u1ec3m y\u1ebfu trong \u0111\u01b0\u1eddng d\u1eabn che ch\u1eafn. Ngay c\u1ea3 khi c\u00e1p \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ch\u00ednh x\u00e1c, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p v\u00e0o c\u00e1p k\u00e9m c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu l\u1ee3i \u00edch c\u1ee7a l\u1edbp ch\u1eafn. \u0110\u00f3 ch\u00ednh x\u00e1c l\u00e0 n\u01a1i \u0111\u1ea7u n\u1ed1i c\u00e1p EMC b\u1eaft \u0111\u1ea7u ch\u1ee9ng minh gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3.<\/p>\n<p>B\u00e0i h\u1ecdc h\u1eefu \u00edch l\u00e0 quy\u1ebft \u0111\u1ecbnh hi\u1ebfm khi l\u00e0 v\u1ec1 vi\u1ec7c li\u1ec7u \u0111\u1ea7u n\u1ed1i c\u00e1p EMC c\u00f3 \u201ct\u1ed1t h\u01a1n\u201d m\u1ed9t c\u00e1ch tr\u1eebu t\u01b0\u1ee3ng hay kh\u00f4ng. \u0110\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c li\u1ec7u \u0111\u1ea7u v\u00e0o c\u00e1p c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m so\u00e1t nhi\u1ec5u c\u1ee7a h\u1ec7 th\u1ed1ng hay kh\u00f4ng.<\/p>\n<h2>S\u1ef1 Kh\u00e1c Bi\u1ec7t V\u1ec1 V\u1eadt Li\u1ec7u v\u00e0 C\u1ea5u Tr\u00fac<\/h2>\n<p>\u0110\u1ea7u n\u1ed1i c\u00e1p EMC th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n nh\u01b0 \u0111\u1ed3ng thau m\u1ea1 niken ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 v\u00ec th\u00e2n \u0111\u1ea7u n\u1ed1i c\u00e1p c\u1ea7n tham gia v\u00e0o \u0111\u01b0\u1eddng d\u1eabn che ch\u1eafn v\u00e0 n\u1ed1i \u0111\u1ea5t.<\/p>\n<p>\u0110\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng ch\u00fang c\u0169ng th\u01b0\u1eddng c\u00f3 s\u1eb5n b\u1eb1ng nylon v\u00e0 c\u00e1c d\u1ea1ng kh\u00f4ng d\u1eabn \u0111i\u1ec7n kh\u00e1c, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m k\u00edn l\u00e0 nh\u1eefng m\u1ed1i quan t\u00e2m ch\u00ednh.<\/p>\n<h2>H\u01b0\u1edbng D\u1eabn L\u1ef1a Ch\u1ecdn: C\u00e1ch Ch\u1ecdn Gi\u1eefa \u0110\u1ea7u N\u1ed1i C\u00e1p EMC v\u00e0 Ti\u00eau Chu\u1ea9n<\/h2>\n<p>C\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 ch\u1ecdn l\u00e0 l\u00e0m vi\u1ec7c t\u1eeb ch\u1ee9c n\u0103ng h\u1ec7 th\u1ed1ng, kh\u00f4ng ph\u1ea3i t\u1eeb nh\u00e3n danh m\u1ee5c s\u1ea3n ph\u1ea9m.<\/p>\n<h3>1. Ki\u1ec3m tra xem c\u00e1p c\u00f3 \u0111\u01b0\u1ee3c b\u1ecdc gi\u00e1p hay kh\u00f4ng<\/h3>\n<p>N\u1ebfu c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn, th\u00ec th\u01b0\u1eddng kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i c\u00f3 m\u1ed9t \u0111\u1ea7u n\u1ed1i EMC. N\u1ebfu c\u00e1p c\u00f3 l\u1edbp b\u1ec7n, l\u1edbp ch\u1eafn b\u1eb1ng l\u00e1 kim lo\u1ea1i ho\u1eb7c c\u1ea5u tr\u00fac ch\u1eafn k\u1ebft h\u1ee3p, th\u00ec vi\u1ec7c k\u1ebft th\u00fac l\u1edbp ch\u1eafn s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a quy\u1ebft \u0111\u1ecbnh.<\/p>\n<h3>Ki\u1ec3m tra xem l\u1edbp ch\u1eafn c\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft th\u00fac t\u1ea1i \u0111\u1ea7u n\u1ed1i hay kh\u00f4ng<\/h3>\n<p>\u0110\u00f4i khi \u0111i\u1ec3m k\u1ebft th\u00fac l\u1edbp ch\u1eafn t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ea7u n\u1ed1i. Nh\u1eefng l\u00fac kh\u00e1c, thi\u1ebft k\u1ebf s\u1eed d\u1ee5ng k\u1eb9p ch\u1eafn b\u00ean trong, t\u1ea5m EMC ho\u1eb7c thanh n\u1ed1i \u0111\u1ea5t chuy\u00ean d\u1ee5ng ngay b\u00ean trong v\u1ecf b\u1ecdc. N\u1ebfu l\u1edbp ch\u1eafn \u0111\u01b0\u1ee3c k\u1ebft th\u00fac \u1edf n\u01a1i kh\u00e1c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, th\u00ec m\u1ed9t \u0111\u1ea7u n\u1ed1i ti\u00eau chu\u1ea9n v\u1eabn c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<h3>Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng EMI<\/h3>\n<p>H\u1ecfi xem vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f3 bao g\u1ed3m:<\/p>\n<ul>\n<li>b\u1ed9 bi\u1ebfn t\u1ea7n<\/li>\n<li>\u1ed5 \u0111\u0129a servo<\/li>\n<li>b\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch<\/li>\n<li>c\u00e1p t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao<\/li>\n<li>thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed t\u1ef1 \u0111\u1ed9ng h\u00f3a m\u1eadt \u0111\u1ed9 cao<\/li>\n<li>thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c nh\u1ea1y c\u1ea3m<\/li>\n<\/ul>\n<p>H\u1ec7 th\u1ed1ng c\u00e0ng \u1ed3n \u00e0o v\u00e0 nh\u1ea1y c\u1ea3m, th\u00ec c\u00e0ng c\u1ea7n thi\u1ebft vi\u1ec7c k\u1ebft th\u00fac t\u1eadp trung v\u00e0o EMC.<\/p>\n<h3>Ki\u1ec3m tra \u0111\u01b0\u1eddng d\u1eabn li\u00ean k\u1ebft v\u1ecf b\u1ecdc<\/h3>\n<p>\u0110\u1ea7u n\u1ed1i EMC ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch n\u1ebfu \u0111\u01b0\u1eddng d\u1eabn d\u1eabn \u0111i\u1ec7n ti\u1ebfp t\u1ee5c v\u00e0o m\u1ed9t v\u1ecf b\u1ecdc ho\u1eb7c c\u1ea5u tr\u00fac n\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u0111\u00fang c\u00e1ch. N\u1ebfu \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t xuy\u00ean qua c\u00e1c b\u1ec1 m\u1eb7t s\u01a1n, c\u00e1c \u0111i\u1ec3m li\u00ean k\u1ebft k\u00e9m ho\u1eb7c ph\u1ea7n c\u1ee9ng b\u1ecb c\u00f4 l\u1eadp, th\u00ec l\u1ee3i th\u1ebf EMC v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft c\u00f3 th\u1ec3 b\u1ecb gi\u1ea3m.<\/p>\n<h3>Ki\u1ec3m tra v\u1eadt li\u1ec7u, ren v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ni\u00eam phong<\/h3>\n<p>Ngay c\u1ea3 sau khi b\u1ea1n quy\u1ebft \u0111\u1ecbnh gi\u1eefa EMC v\u00e0 ti\u00eau chu\u1ea9n, b\u1ea1n v\u1eabn c\u1ea7n ph\u1ea3i kh\u1edbp:<\/p>\n<ul>\n<li>ph\u1ea1m vi \u0111\u01b0\u1eddng k\u00ednh c\u00e1p<\/li>\n<li>lo\u1ea1i ren<\/li>\n<li>ni\u00eam phong m\u00f4i tr\u01b0\u1eddng<\/li>\n<li>kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li>kh\u00e1ng h\u00f3a ch\u1ea5t<\/li>\n<li>ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn kh\u00f4ng bao gi\u1edd n\u00ean d\u1eebng l\u1ea1i \u1edf \u201cEMC\u201d so v\u1edbi \u201ckh\u00f4ng ph\u1ea3i EMC\u201d.\u201d<\/p>\n<h2>Nh\u1eefng sai l\u1ea7m l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/h2>\n<h3>S\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i ti\u00eau chu\u1ea9n tr\u00ean c\u00e1p \u1ed5 \u0111\u0129a \u0111\u01b0\u1ee3c che ch\u1eafn ch\u1ec9 v\u00ec k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p<\/h3>\n<p>Ch\u1ec9 v\u1eeba v\u1eb7n v\u1ec1 m\u1eb7t v\u1eadt l\u00fd kh\u00f4ng gi\u1ed1ng nh\u01b0 v\u1eeba v\u1eb7n v\u1ec1 m\u1eb7t \u0111i\u1ec7n.<\/p>\n<h3>Cho r\u1eb1ng m\u1ecdi c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn \u0111\u1ec1u t\u1ef1 \u0111\u1ed9ng c\u1ea7n m\u1ed9t \u0111\u1ea7u n\u1ed1i EMC<\/h3>\n<p>\u0110\u00f4i khi l\u1edbp ch\u1eafn \u0111\u01b0\u1ee3c k\u1ebft th\u00fac \u1edf n\u01a1i kh\u00e1c b\u1eb1ng m\u1ed9t h\u1ec7 th\u1ed1ng k\u1eb9p chuy\u00ean d\u1ee5ng. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, m\u1ed9t \u0111\u1ea7u n\u1ed1i ti\u00eau chu\u1ea9n v\u1eabn c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c.<\/p>\n<h3>Qu\u00ean r\u1eb1ng vi\u1ec7c li\u00ean k\u1ebft v\u1ecf b\u1ecdc l\u00e0 quan tr\u1ecdng<\/h3>\n<p>B\u1ea3n th\u00e2n \u0111\u1ea7u n\u1ed1i EMC kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t thi\u1ebft k\u1ebf n\u1ed1i \u0111\u1ea5t ho\u1eb7c li\u00ean k\u1ebft k\u00e9m.<\/p>\n<h3>K\u1ebft th\u00fac l\u1edbp ch\u1eafn b\u1eb1ng m\u1ed9t \u0111o\u1ea1n d\u00e2y d\u00e0i khi c\u1ea7n ti\u1ebfp x\u00fac chu vi tr\u1edf kh\u00e1ng th\u1ea5p<\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 gi\u1ea3m l\u1ee3i \u00edch c\u1ee7a c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 \u0111\u1ed9 \u1ed3n cao.<\/p>\n<h3>Ch\u1ecdn v\u1eadt li\u1ec7u \u0111\u1ea7u n\u1ed1i ch\u1ec9 theo s\u1ef1 \u0103n m\u00f2n ho\u1eb7c gi\u00e1 c\u1ea3 m\u00e0 kh\u00f4ng xem x\u00e9t \u0111\u1ebfn \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n<\/h3>\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u1ea3 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 EMC.<\/p>\n<h2>\u0110\u1ea7u n\u1ed1i c\u00e1p EMC so v\u1edbi \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n: \u0110\u00e1nh \u0111\u1ed5i chi ph\u00ed<\/h2>\n<p>\u0110\u1ea7u n\u1ed1i EMC th\u01b0\u1eddng t\u1ed1n k\u00e9m h\u01a1n, nh\u01b0ng so s\u00e1nh chi ph\u00ed \u0111\u00fang kh\u00f4ng ch\u1ec9 l\u00e0 gi\u00e1 \u0111\u1ea7u n\u1ed1i.<\/p>\n<p>C\u00e2u h\u1ecfi hay h\u01a1n l\u00e0:<\/p>\n<p><strong>Chi ph\u00ed c\u1ee7a hi\u1ec7u su\u1ea5t EMC k\u00e9m so v\u1edbi chi ph\u00ed c\u1ee7a \u0111\u1ea7u n\u1ed1i t\u1ed1t h\u01a1n l\u00e0 bao nhi\u00eau?<\/strong><\/p>\n<p>Trong m\u1ed9t h\u1ed9p \u0111\u00e8n ho\u1eb7c h\u1ed9p ti\u1ec7n \u00edch \u0111\u01a1n gi\u1ea3n, c\u00e2u tr\u1ea3 l\u1eddi c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t \u0111\u1ea7u n\u1ed1i ti\u00eau chu\u1ea9n l\u00e0 ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p. Trong t\u1ee7 \u1ed5 \u0111\u0129a, h\u1ec7 th\u1ed1ng robot ho\u1eb7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb, chi ph\u00ed \u0111\u1ea7u n\u1ed1i b\u1ed5 sung c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi chi ph\u00ed c\u1ee7a c\u00e1c l\u1ed7i g\u00e2y phi\u1ec1n to\u00e1i, l\u1ed7i giao ti\u1ebfp ho\u1eb7c hi\u1ec7u su\u1ea5t EMC kh\u00f4ng th\u00e0nh c\u00f4ng.<\/p>\n<h2>Nh\u1eefng C\u00e2u H\u1ecfi Th\u01b0\u1eddng<\/h2>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa m\u1ed9t \u0111\u1ea7u n\u1ed1i c\u00e1p EMC v\u00e0 m\u1ed9t \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n l\u00e0 g\u00ec?<\/h3>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 gland c\u00e1p EMC \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ti\u1ebfp \u0111\u1ea5t l\u1edbp \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 c\u1ee7a c\u00e1p v\u00e0 duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, trong khi gland c\u00e1p ti\u00eau chu\u1ea9n ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 l\u00e0m k\u00edn, gi\u1eef c\u00e1p v\u00e0 gi\u1ea3m c\u0103ng.<\/p>\n<h3>T\u00f4i c\u00f3 c\u1ea7n m\u1ed9t \u0111\u1ea7u n\u1ed1i c\u00e1p EMC cho m\u1ed7i c\u00e1p \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. B\u1ea1n c\u1ea7n xem x\u00e9t chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. N\u1ebfu \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u0111\u00fang c\u00e1ch \u1edf n\u01a1i kh\u00e1c v\u1edbi tr\u1edf kh\u00e1ng th\u1ea5p v\u00e0 li\u00ean k\u1ebft t\u1ed1t, th\u00ec m\u1ed9t \u0111\u1ea7u n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n v\u1eabn c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<h3>Li\u1ec7u m\u1ed9t \u1ed1ng n\u1ed1i c\u00e1p ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 EMC kh\u00f4ng?<\/h3>\n<p>B\u1ea3n th\u00e2n n\u00f3 th\u00ec kh\u00f4ng. M\u1ed9t \u1ed1ng n\u1ed1i ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 l\u00e0m k\u00edn v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u00e1p, nh\u01b0ng n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng nhi\u1ec5u 360 \u0111\u1ed9.<\/p>\n<h3>\u1ed4 c\u1eafm c\u00e1p EMC th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/h3>\n<p>Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng VFD, t\u1ee7 servo, t\u1ee7 \u0111i\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a, v\u1ecf b\u1ecdc thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c, thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng v\u00e0 c\u00e1c l\u1eafp \u0111\u1eb7t kh\u00e1c, n\u01a1i t\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp ch\u1eafn l\u00e0 quan tr\u1ecdng.<\/p>\n<h3>C\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p EMC c\u00f3 ph\u1ea3i lu\u00f4n lu\u00f4n b\u1eb1ng kim lo\u1ea1i kh\u00f4ng?<\/h3>\n<p>Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u1ea5u tr\u00fac kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n v\u00ec th\u00e2n gland l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn li\u00ean k\u1ebft m\u00e0n ch\u1eafn, m\u1eb7c d\u00f9 thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o d\u00f2ng s\u1ea3n ph\u1ea9m.<\/p>\n<h3>Li\u1ec7u m\u1ed9t \u0111\u1ea7u n\u1ed1i EMC c\u00f3 \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3i quy\u1ebft t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 EMI kh\u00f4ng?<\/h3>\n<p>Hi\u1ec7u su\u1ea5t EMC ph\u1ee5 thu\u1ed9c v\u00e0o to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t, bao g\u1ed3m lo\u1ea1i c\u00e1p, ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp \u0111\u1ea5t \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, li\u00ean k\u1ebft v\u1ecf t\u1ee7 \u0111i\u1ec7n, n\u1ed1i \u0111\u1ea5t, b\u1ed1 tr\u00ed v\u00e0 c\u00e1c ngu\u1ed3n g\u00e2y nhi\u1ec5u l\u00e2n c\u1eadn.<\/p>\n<h2>Khuy\u1ebfn ngh\u1ecb cu\u1ed1i c\u00f9ng<\/h2>\n<p>Ch\u1ecdn m\u1ed9t <strong>\u1ed1ng lu\u1ed3n c\u00e1p ti\u00eau chu\u1ea9n<\/strong> khi nhu c\u1ea7u ch\u00ednh c\u1ee7a b\u1ea1n l\u00e0 ni\u00eam phong, gi\u1eef c\u00e1p v\u00e0 gi\u1ea3m c\u0103ng th\u1eb3ng trong m\u1ed9t \u1ee9ng d\u1ee5ng m\u00e0 t\u00ednh li\u00ean t\u1ee5c c\u1ee7a EMC kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n<p>Ch\u1ecdn m\u1ed9t <strong>\u1ed0ng lu\u1ed3n c\u00e1p EMC<\/strong> khi c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn v\u00e0 \u0111\u1ea7u v\u00e0o c\u00e1p ph\u1ea3i duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a l\u1edbp ch\u1eafn v\u00e0o m\u1ed9t v\u1ecf b\u1ecdc \u0111\u01b0\u1ee3c li\u00ean k\u1ebft, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng \u1ed5 \u0111\u0129a, t\u1ee7 t\u1ef1 \u0111\u1ed9ng h\u00f3a, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o v\u1ec1 \u0111i\u1ec7n kh\u00e1c.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u v\u00e0o c\u00e1p r\u1ed9ng h\u01a1n thay v\u00ec ch\u1ecdn m\u1ed9t lo\u1ea1i \u0111\u1ea7u n\u1ed1i duy nh\u1ea5t, h\u00e3y ti\u1ebfp t\u1ee5c v\u00e0o:<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/vi\/cable-gland\/\">Trang s\u1ea3n ph\u1ea9m \u0111\u1ea7u n\u1ed1i c\u00e1p<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/what-are-emc-cable-glands\/\">\u1ed0c si\u1ebft c\u00e1p EMC l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-emc-cable-gland\/\">C\u00e1ch ch\u1ecdn \u1ed1c si\u1ebft c\u00e1p EMC ph\u00f9 h\u1ee3p<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>If you are comparing EMC vs standard cable glands, the core difference is simple: a standard cable gland mainly provides cable retention, sealing, and strain relief, while an EMC cable gland adds a conductive 360-degree shield termination path for screened or shielded cables. Side-by-side comparison of an EMC cable gland and a standard cable gland [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":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":"","adv-header-id-meta":"","stick-header-meta":"","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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/23327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=23327"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/23327\/revisions"}],"predecessor-version":[{"id":23329,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/23327\/revisions\/23329"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/23328"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=23327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=23327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=23327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}