{"id":20883,"date":"2025-12-16T23:03:20","date_gmt":"2025-12-16T15:03:20","guid":{"rendered":"https:\/\/viox.com\/?p=20883"},"modified":"2025-12-16T23:04:33","modified_gmt":"2025-12-16T15:04:33","slug":"timer-relay-voltage-selection-guide-12v-24v-120v-230v","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/timer-relay-voltage-selection-guide-12v-24v-120v-230v\/","title":{"rendered":"L\u1ef1a ch\u1ecdn gi\u1eefa R\u01a1 le th\u1eddi gian 12V, 24V, 120V v\u00e0 230V"},"content":{"rendered":"
\n

Vi\u1ec7c ch\u1ecdn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n ph\u00f9 h\u1ee3p cho r\u01a1 le th\u1eddi gian c\u1ee7a b\u1ea1n\u201412V, 24V, 120V ho\u1eb7c 230V\u2014\u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an to\u00e0n h\u1ec7 th\u1ed1ng, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 tin c\u1eady. Trong khi 24V DC \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i cho t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p do \u01b0u \u0111i\u1ec3m v\u1ec1 an to\u00e0n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi PLC, 12V ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng v\u00e0 ch\u1ea1y b\u1eb1ng pin, v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn 120V\/230V AC v\u1eabn c\u1ea7n thi\u1ebft cho thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao v\u00e0 h\u1ec7 th\u1ed1ng c\u1ea5p ngu\u1ed3n ch\u00ednh khu v\u1ef1c. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1c khu\u00f4n kh\u1ed5 quy\u1ebft \u0111\u1ecbnh, b\u1ea3ng so s\u00e1nh v\u00e0 c\u00e1c khuy\u1ebfn ngh\u1ecb c\u1ee5 th\u1ec3 cho t\u1eebng \u1ee9ng d\u1ee5ng \u0111\u1ec3 gi\u00fap c\u00e1c k\u1ef9 s\u01b0, nh\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng v\u00e0 chuy\u00ean gia mua s\u1eafm ch\u1ec9 \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p r\u01a1 le th\u1eddi gian t\u1ed1i \u01b0u cho b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n n\u00e0o.<\/p>\n

R\u01a1 le th\u1eddi gian l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n c\u01a1 b\u1ea3n cho ph\u00e9p t\u1ef1 \u0111\u1ed9ng h\u00f3a ch\u00ednh x\u00e1c, d\u1ef1a tr\u00ean th\u1eddi gian trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, th\u01b0\u01a1ng m\u1ea1i v\u00e0 d\u00e2n d\u1ee5ng. \u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n b\u1ea1n ch\u1ec9 \u0111\u1ecbnh s\u1ebd x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a h\u1ec7 th\u1ed1ng, an to\u00e0n l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/p>\n

\"VIOX
H\u00ecnh 1: VIOX Gi\u1edd Ti\u1ebfp<\/a> \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean DIN<\/a> v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o LED r\u00f5 r\u00e0ng v\u00e0 c\u00e1c \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p ch\u00ednh x\u00e1c.<\/figcaption><\/figure>\n

T\u00ecm hi\u1ec3u v\u1ec1 \u0110i\u1ec7n \u00e1p \u0110i\u1ec1u khi\u1ec3n R\u01a1 le Th\u1eddi gian<\/h2>\n

\u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec7n \u00e1p cu\u1ed9n d\u00e2y ho\u1eb7c \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng) l\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n cho cu\u1ed9n d\u00e2y b\u00ean trong c\u1ee7a r\u01a1 le th\u1eddi gian v\u00e0 k\u00edch ho\u1ea1t c\u01a1 ch\u1ebf chuy\u1ec3n m\u1ea1ch c\u1ee7a n\u00f3. \u0110i\u1ec7n \u00e1p n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ea1ch \u0111\u1ecbnh th\u1eddi v\u00e0 nam ch\u00e2m \u0111i\u1ec7n c\u1ee7a r\u01a1 le, cho ph\u00e9p thi\u1ebft b\u1ecb \u0111o kho\u1ea3ng th\u1eddi gian v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u1ea7u ra c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n cao h\u01a1n nhi\u1ec1u.<\/p>\n

T\u1ea1i sao \u0110i\u1ec7n \u00e1p \u0110i\u1ec1u khi\u1ec3n l\u1ea1i Quan tr\u1ecdng<\/h3>\n

Ch\u1ec9 \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec ba l\u00fd do ch\u00ednh:<\/p>\n

Kh\u1ea3 n\u0103ng T\u01b0\u01a1ng th\u00edch H\u1ec7 th\u1ed1ng<\/strong>: R\u01a1 le th\u1eddi gian ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n c\u00f3 c\u1ee7a b\u1ea1n. M\u1ed9t PLC xu\u1ea5t t\u00edn hi\u1ec7u 24V DC kh\u00f4ng th\u1ec3 tr\u1ef1c ti\u1ebfp \u0111i\u1ec1u khi\u1ec3n r\u01a1 le 120V AC m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb giao di\u1ec7n b\u1ed5 sung. \u0110i\u1ec7n \u00e1p kh\u00f4ng ph\u00f9 h\u1ee3p ng\u0103n c\u1ea3n ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c y\u00eau c\u1ea7u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1n k\u00e9m.<\/p>\n

S\u1ef1 an to\u00e0n<\/strong>: \u0110i\u1ec7n \u00e1p DC th\u1ea5p h\u01a1n (12V, 24V) \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 \u0110i\u1ec7n \u00e1p C\u1ef1c th\u1ea5p An to\u00e0n (SELV) theo IEC 61140, gi\u1ea3m thi\u1ec3u r\u1ee7i ro \u0111i\u1ec7n gi\u1eadt cho nh\u00e2n vi\u00ean trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. \u0110i\u1ec7n \u00e1p AC cao h\u01a1n (120V, 230V) y\u00eau c\u1ea7u c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n b\u1ed5 sung v\u00e0 nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9.<\/p>\n

\u0110\u1ed9 tin c\u1eady v\u00e0 Kh\u1ea3 n\u0103ng Mi\u1ec5n nhi\u1ec5m Nhi\u1ec5u<\/strong>: \u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n DC, \u0111\u1eb7c bi\u1ec7t l\u00e0 24V, cung c\u1ea5p kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m nhi\u1ec5u v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t v\u1ec1 \u0111i\u1ec7n. \u0110i\u1ec7n \u00e1p AC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c \u0111\u01b0\u1eddng c\u00e1p d\u00e0i h\u01a1n do \u0111\u1eb7c t\u00ednh s\u1ee5t \u00e1p th\u1ea5p h\u01a1n.<\/p>\n

\u0110i\u1ec7n \u00e1p \u0110i\u1ec1u khi\u1ec3n DC so v\u1edbi AC<\/h3>\n

R\u01a1 le th\u1eddi gian c\u00f3 s\u1eb5n v\u1edbi c\u1ea3 \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n DC v\u00e0 AC, m\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang bi\u1ec7t:<\/p>\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c tr\u01b0ng<\/strong><\/td>\n\u0110i\u1ec1u khi\u1ec3n DC (12V, 24V)<\/strong><\/td>\n\u0110i\u1ec1u khi\u1ec3n AC (120V, 230V)<\/strong><\/td>\n<\/tr>\n
S\u1ef1 an to\u00e0n<\/strong><\/td>\nPh\u00e2n lo\u1ea1i SELV, r\u1ee7i ro s\u1ed1c t\u1ed1i thi\u1ec3u<\/td>\nY\u00eau c\u1ea7u c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n \u0111i\u1ec7n<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng Mi\u1ec5n nhi\u1ec5m Nhi\u1ec5u<\/strong><\/td>\nTuy\u1ec7t v\u1eddi, ch\u1ed1ng l\u1ea1i EMI\/RFI<\/td>\nD\u1ec5 b\u1ecb nhi\u1ec5u \u0111i\u1ec7n<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng Cung c\u1ea5p \u0110i\u1ec7n<\/strong><\/td>\nY\u00eau c\u1ea7u ngu\u1ed3n \u0111i\u1ec7n; ph\u1ed5 bi\u1ebfn trong t\u1ef1 \u0111\u1ed9ng h\u00f3a hi\u1ec7n \u0111\u1ea1i<\/td>\nTr\u1ef1c ti\u1ebfp t\u1eeb ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh<\/td>\n<\/tr>\n
\u0110i\u1ec3n H\u00ecnh \u1ee8ng D\u1ee5ng<\/strong><\/td>\nH\u1ec7 th\u1ed1ng PLC, c\u1ea3m bi\u1ebfn, t\u1ef1 \u0111\u1ed9ng h\u00f3a hi\u1ec7n \u0111\u1ea1i<\/td>\nB\u1ea3ng \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n th\u1ed1ng, h\u1ec7 th\u1ed1ng c\u00f4ng su\u1ea5t cao<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p<\/strong><\/td>\n\u0110\u1ea7u ra nh\u1ea5t qu\u00e1n t\u1eeb ngu\u1ed3n \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh<\/td>\nCh\u1ecbu s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n \u00e1p ngu\u1ed3n<\/td>\n<\/tr>\n
Kho\u1ea3ng c\u00e1ch<\/strong><\/td>\nS\u1ee5t \u00e1p cao h\u01a1n tr\u00ean c\u00e1c \u0111\u01b0\u1eddng c\u00e1p d\u00e0i<\/td>\nPh\u00f9 h\u1ee3p h\u01a1n cho truy\u1ec1n t\u1ea3i \u0111\u01b0\u1eddng d\u00e0i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e2n nh\u1eafc Quan tr\u1ecdng<\/strong>: Nhi\u1ec1u r\u01a1 le th\u1eddi gian VIOX hi\u1ec7n \u0111\u1ea1i c\u00f3 \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng (v\u00ed d\u1ee5: 24-240V AC\/DC), lo\u1ea1i b\u1ecf nhu c\u1ea7u ch\u1ecdn gi\u1eefa AC v\u00e0 DC v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch to\u00e0n c\u1ea7u. C\u00e1c ki\u1ec3u \u0111a \u0111i\u1ec7n \u00e1p n\u00e0y t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n lo\u1ea1i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ho\u1ea1t \u0111\u1ed9ng cho ph\u00f9 h\u1ee3p.<\/p>\n

\"Technical
H\u00ecnh 2: So s\u00e1nh s\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt cho th\u1ea5y c\u1ea5u h\u00ecnh d\u00e2y v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a r\u01a1 le th\u1eddi gian 12V, 24V, 120V v\u00e0 230V.<\/figcaption><\/figure>\n

12V so v\u1edbi 24V so v\u1edbi 120V so v\u1edbi 230V: So s\u00e1nh Ho\u00e0n ch\u1ec9nh<\/h2>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0110i\u1ec7n \u00e1p Chi ti\u1ebft<\/h3>\n

M\u1ed7i t\u00f9y ch\u1ecdn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n ph\u1ee5c v\u1ee5 c\u00e1c \u1ee9ng d\u1ee5ng ri\u00eang bi\u1ec7t d\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng su\u1ea5t, nhu c\u1ea7u an to\u00e0n v\u00e0 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng:<\/p>\n\n\n\n\n\n\n\n
\u00c1p<\/strong><\/td>\nLo\u1ea1i<\/strong><\/td>\nDung sai \u0110i\u1ec3n h\u00ecnh<\/strong><\/td>\nPh\u00e2n lo\u1ea1i An to\u00e0n<\/strong><\/td>\nC\u00e1c Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng Ch\u00ednh<\/strong><\/td>\n\u01afu ti\u00ean \u0110\u1ecba l\u00fd<\/strong><\/td>\n<\/tr>\n
12V DC<\/strong><\/td>\nDC<\/td>\n\u00b110-15%<\/td>\nSELV (An to\u00e0n)<\/td>\n\u00d4 t\u00f4, thi\u1ebft b\u1ecb di \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng pin<\/td>\nTo\u00e0n c\u1ea7u<\/td>\n<\/tr>\n
24V DC<\/strong><\/td>\nDC<\/td>\n\u00b110-20%<\/td>\nSELV (An to\u00e0n)<\/td>\nH\u1ec7 th\u1ed1ng PLC, t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p, c\u1ea3m bi\u1ebfn<\/td>\nTo\u00e0n c\u1ea7u (Ti\u00eau chu\u1ea9n)<\/td>\n<\/tr>\n
120V AC<\/strong><\/td>\nM\u00e1y ch\u1ee7<\/td>\n\u00b110%<\/td>\n\u0110i\u1ec7n \u00e1p nguy hi\u1ec3m<\/td>\nB\u1ea3ng \u0111i\u1ec1u khi\u1ec3n B\u1eafc M\u1ef9, h\u1ec7 th\u1ed1ng c\u0169<\/td>\nB\u1eafc M\u1ef9<\/td>\n<\/tr>\n
230V xoay chi\u1ec1u<\/strong><\/td>\nM\u00e1y ch\u1ee7<\/td>\n\u00b110%<\/td>\n\u0110i\u1ec7n \u00e1p nguy hi\u1ec3m<\/td>\nM\u00e1y m\u00f3c ch\u00e2u \u00c2u, h\u1ec7 th\u1ed1ng c\u1ea5p ngu\u1ed3n ch\u00ednh<\/td>\nCh\u00e2u \u00c2u, Ch\u00e2u \u00c1, To\u00e0n c\u1ea7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

R\u01a1 le Th\u1eddi gian 12V DC<\/h3>\n
    \n
  • \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 di \u0111\u1ed9ng<\/li>\n
  • T\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng pin 12V ti\u00eau chu\u1ea9n (xe c\u1ed9, thuy\u1ec1n, RV)<\/li>\n
  • Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p nh\u1ea5t trong s\u1ed1 c\u00e1c \u0111i\u1ec7n \u00e1p th\u00f4ng th\u01b0\u1eddng<\/li>\n
  • Ngu\u1ed3n \u0111i\u1ec7n c\u00f3 s\u1eb5n<\/li>\n
  • \u00cdt ph\u1ed5 bi\u1ebfn h\u01a1n trong t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p (24V \u0111\u01b0\u1ee3c \u01b0u ti\u00ean)<\/li>\n
  • D\u00f2ng \u0111i\u1ec7n cao h\u01a1n cho c\u00f4ng su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng so v\u1edbi 24V<\/li>\n
  • T\u00ednh kh\u1ea3 d\u1ee5ng h\u1ea1n ch\u1ebf trong c\u00e1c ki\u1ec3u r\u01a1 le th\u1eddi gian c\u1ea5p c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n

    \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n

      \n
    • \u0110i\u1ec1u khi\u1ec3n h\u1eadu m\u00e3i \u00f4 t\u00f4<\/li>\n
    • H\u1ec7 th\u1ed1ng h\u00e0ng h\u1ea3i v\u00e0 RV<\/li>\n
    • B\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c pin m\u1eb7t tr\u1eddi<\/li>\n
    • Thi\u1ebft b\u1ecb v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n di \u0111\u1ed9ng<\/li>\n
    • M\u00e1y m\u00f3c di \u0111\u1ed9ng n\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n

      R\u01a1 le th\u1eddi gian 24V DC<\/h3>\n
        \n
      • Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho h\u1ec7 th\u1ed1ng PLC v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a hi\u1ec7n \u0111\u1ea1i<\/li>\n
      • Ph\u00e2n lo\u1ea1i an to\u00e0n SELV gi\u1ea3m thi\u1ec3u c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 \u0111i\u1ec7n<\/li>\n
      • Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u tuy\u1ec7t v\u1eddi trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p<\/li>\n
      • T\u00ednh s\u1eb5n c\u00f3 r\u1ed9ng r\u00e3i t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1edbn<\/li>\n
      • T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p<\/li>\n
      • Y\u00eau c\u1ea7u d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n 12V cho c\u00f9ng m\u1ed9t c\u00f4ng su\u1ea5t<\/li>\n
      • Y\u00eau c\u1ea7u ngu\u1ed3n \u0111i\u1ec7n 24V chuy\u00ean d\u1ee5ng (t\u0103ng th\u00eam chi ph\u00ed n\u1ebfu ch\u01b0a c\u00f3)<\/li>\n
      • S\u1ee5t \u00e1p c\u00f3 th\u1ec3 \u0111\u00e1ng k\u1ec3 tr\u00ean c\u00e1c \u0111\u01b0\u1eddng c\u00e1p d\u00e0i (>100m)<\/li>\n<\/ul>\n

        \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n

          \n
        • H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC<\/li>\n
        • D\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p nh\u00e0 m\u00e1y v\u00e0 \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh<\/li>\n
        • T\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 v\u00e0 \u0111i\u1ec1u khi\u1ec3n HVAC<\/li>\n
        • M\u1ea1ch an to\u00e0n v\u00e0 h\u1ec7 th\u1ed1ng d\u1eebng kh\u1ea9n c\u1ea5p<\/li>\n
        • M\u00e1y m\u00f3c v\u00e0 robot c\u00f4ng nghi\u1ec7p<\/li>\n
        • Thi\u1ebft b\u1ecb \u0111\u00f3ng g\u00f3i v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n

          V\u1ecb th\u1ebf tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/strong>: 24V DC l\u00e0 ti\u00eau chu\u1ea9n th\u1ed1ng tr\u1ecb trong c\u00e1c c\u00e0i \u0111\u1eb7t c\u00f4ng nghi\u1ec7p m\u1edbi tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n

          R\u01a1 le th\u1eddi gian 120V AC<\/h3>\n
            \n
          • K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh \u1edf B\u1eafc M\u1ef9 (kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n)<\/li>\n
          • Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng su\u1ea5t cao<\/li>\n
          • S\u1ee5t \u00e1p th\u1ea5p h\u01a1n tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i so v\u1edbi 24V DC<\/li>\n
          • \u0110\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u1ed1t trong c\u00e1c c\u00e0i \u0111\u1eb7t hi\u1ec7n c\u00f3<\/li>\n
          • \u0110i\u1ec7n \u00e1p nguy hi\u1ec3m y\u00eau c\u1ea7u th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 \u0111\u1ec3 l\u1eafp \u0111\u1eb7t<\/li>\n
          • Kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng SELV; nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt cao h\u01a1n trong qu\u00e1 tr\u00ecnh kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/li>\n
          • \u00cdt t\u01b0\u01a1ng th\u00edch h\u01a1n v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng PLC hi\u1ec7n \u0111\u1ea1i (y\u00eau c\u1ea7u r\u01a1 le giao di\u1ec7n)<\/li>\n
          • Ch\u1ecbu s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n \u00e1p ngu\u1ed3n<\/li>\n<\/ul>\n

            \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n

              \n
            • H\u1ec7 th\u1ed1ng HVAC th\u01b0\u01a1ng m\u1ea1i \u1edf B\u1eafc M\u1ef9<\/li>\n
            • \u0110i\u1ec1u khi\u1ec3n \u00e1nh s\u00e1ng trong c\u00e1c t\u00f2a nh\u00e0<\/li>\n
            • B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p c\u0169<\/li>\n
            • \u0110i\u1ec1u khi\u1ec3n b\u01a1m v\u00e0 \u0111\u1ed9ng c\u01a1<\/li>\n
            • Thi\u1ebft b\u1ecb t\u00f2a nh\u00e0 (qu\u1ea1t th\u00f4ng gi\u00f3, m\u00e1y s\u01b0\u1edfi)<\/li>\n<\/ul>\n

              R\u01a1 le th\u1eddi gian 230V AC<\/h3>\n
                \n
              • K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh \u1edf Ch\u00e2u \u00c2u\/qu\u1ed1c t\u1ebf (230V\/240V)<\/li>\n
              • Kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n \u1edf c\u00e1c khu v\u1ef1c c\u00f3 ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh 230V<\/li>\n
              • Hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao<\/li>\n
              • Th\u00edch h\u1ee3p cho truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng d\u00e0i<\/li>\n
              • Ph\u00e2n lo\u1ea1i \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m<\/li>\n
              • Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng<\/li>\n
              • \u00cdt t\u01b0\u01a1ng th\u00edch h\u01a1n v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u1ea5p<\/li>\n
              • Vi\u1ec7c l\u1eafp \u0111\u1eb7t b\u1ecb h\u1ea1n ch\u1ebf cho c\u00e1c th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p \u1edf nhi\u1ec1u khu v\u1ef1c<\/li>\n<\/ul>\n

                \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n

                  \n
                • M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p Ch\u00e2u \u00c2u<\/li>\n
                • Thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i qu\u1ed1c t\u1ebf<\/li>\n
                • \u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t cao<\/li>\n
                • H\u1ec7 th\u1ed1ng HVAC \u1edf c\u00e1c khu v\u1ef1c 230V<\/li>\n
                • D\u1ecbch v\u1ee5 t\u00f2a nh\u00e0 (m\u00e1y b\u01a1m, m\u00e1y n\u00e9n, th\u00f4ng gi\u00f3)<\/li>\n<\/ul>\n

                  R\u01a1 le th\u1eddi gian \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng (24-240V AC\/DC)<\/h3>\n

                  R\u01a1 le th\u1eddi gian VIOX hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng cung c\u1ea5p \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng ch\u1ea5p nh\u1eadn m\u1ed9t ph\u1ea1m vi r\u1ed9ng:<\/p>\n

                    \n
                  • M\u1ed9t m\u00f4 h\u00ecnh duy nh\u1ea5t ph\u1ee5c v\u1ee5 th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u<\/li>\n
                  • \u0110\u01a1n gi\u1ea3n h\u00f3a h\u00e0ng t\u1ed3n kho v\u00e0 mua s\u1eafm<\/li>\n
                  • L\u1eafp \u0111\u1eb7t linh ho\u1ea1t tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p kh\u00e1c nhau<\/li>\n
                  • \u0110\u1ea3m b\u1ea3o cho nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n \u00e1p trong t\u01b0\u01a1ng lai c\u1ee7a c\u01a1 s\u1edf<\/li>\n
                  • Gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt<\/li>\n<\/ul>\n

                    Nh\u1eefng c\u00e2n nh\u1eafc:<\/strong><\/p>\n

                      \n
                    • Chi ph\u00ed th\u01b0\u1eddng cao h\u01a1n 10-20% so v\u1edbi c\u00e1c m\u1eabu \u0111i\u1ec7n \u00e1p \u0111\u01a1n<\/li>\n
                    • X\u00e1c minh ph\u1ea1m vi \u0111i\u1ec7n \u00e1p th\u1ef1c t\u1ebf \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n<\/li>\n<\/ul>\n
                      \"Electrical
                      H\u00ecnh 3: S\u01a1 \u0111\u1ed3 m\u1ea1ch chi ti\u1ebft hi\u1ec3n th\u1ecb c\u00e1c k\u1ebft n\u1ed1i d\u00e2y ch\u00ednh x\u00e1c cho c\u1ea3 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n DC v\u00e0 AC v\u1edbi c\u00e1c \u0111\u1ea7u cu\u1ed1i \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n.<\/figcaption><\/figure>\n

                      Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn theo lo\u1ea1i \u1ee9ng d\u1ee5ng<\/h2>\n

                      Khung quy\u1ebft \u0111\u1ecbnh<\/h3>\n

                      S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u00f3 h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u1ec3 ch\u1ecdn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n r\u01a1 le th\u1eddi gian t\u1ed1i \u01b0u:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
                      Y\u1ebfu t\u1ed1 \u01b0u ti\u00ean<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/strong><\/td>\nL\u00fd do<\/strong><\/td>\n<\/tr>\n
                      PLC\/h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n c\u00f3<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p<\/td>\n\u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch tr\u1ef1c ti\u1ebfp; 24V DC cho h\u1ea7u h\u1ebft c\u00e1c PLC hi\u1ec7n \u0111\u1ea1i<\/td>\n<\/tr>\n
                      C\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u1ec1 an to\u00e0n<\/strong><\/td>\n12V ho\u1eb7c 24V DC (SELV)<\/td>\nGi\u1ea3m thi\u1ec3u nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/td>\n<\/tr>\n
                      Di \u0111\u1ed9ng\/ch\u1ea1y b\u1eb1ng pin<\/strong><\/td>\n12V DC<\/td>\n\u0110i\u1ec7n \u00e1p ti\u00eau chu\u1ea9n c\u1ee7a \u1eafc quy \u00f4 t\u00f4\/t\u00e0u thuy\u1ec1n<\/td>\n<\/tr>\n
                      Kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n t\u1ea1i<\/strong><\/td>\n24V DC (\u0111\u1ea3m b\u1ea3o cho t\u01b0\u01a1ng lai)<\/td>\nTi\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p; t\u00ednh linh ho\u1ea1t t\u1ed1i \u0111a cho vi\u1ec7c m\u1edf r\u1ed9ng<\/td>\n<\/tr>\n
                      Trang b\u1ecb th\u00eam cho h\u1ec7 th\u1ed1ng AC hi\u1ec7n c\u00f3<\/strong><\/td>\nPh\u00f9 h\u1ee3p v\u1edbi hi\u1ec7n c\u00f3 (120V ho\u1eb7c 230V)<\/td>\nGi\u1ea3m thi\u1ec3u chi ph\u00ed v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p khi l\u1eafp \u0111\u1eb7t<\/td>\n<\/tr>\n
                      Thi\u1ebft b\u1ecb to\u00e0n c\u1ea7u<\/strong><\/td>\nUniversal 24-240V AC\/DC<\/td>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt duy nh\u1ea5t cho tri\u1ec3n khai tr\u00ean to\u00e0n th\u1ebf gi\u1edbi<\/td>\n<\/tr>\n
                      \u0110\u01b0\u1eddng c\u00e1p d\u00e0i (>100m)<\/strong><\/td>\n120V ho\u1eb7c 230V AC<\/td>\nGi\u1ea3m \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n theo kho\u1ea3ng c\u00e1ch<\/td>\n<\/tr>\n
                      M\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n \u1ed3n \u00e0o<\/strong><\/td>\n24V DC<\/td>\nKh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m EMI\/RFI v\u01b0\u1ee3t tr\u1ed9i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      Khuy\u1ebfn ngh\u1ecb d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng<\/h3>\n

                      T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t<\/h4>\n

                      \u0110\u1ec1 xu\u1ea5t: 24V DC<\/strong><\/p>\n

                        \n
                      • M\u00f4-\u0111un \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra PLC<\/li>\n
                      • C\u1ea3m bi\u1ebfn c\u00f4ng nghi\u1ec7p (ti\u1ec7m c\u1eadn, quang \u0111i\u1ec7n, \u00e1p su\u1ea5t)<\/li>\n
                      • Van \u0111i\u1ec7n t\u1eeb kh\u00ed n\u00e9n<\/li>\n
                      • \u0110\u00e8n b\u00e1o v\u00e0 n\u00fat nh\u1ea5n tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/li>\n
                      • R\u01a1le an to\u00e0n v\u00e0 m\u1ea1ch d\u1eebng kh\u1ea9n c\u1ea5p<\/li>\n
                      • 120V\/230V AC<\/strong>: Thi\u1ebft b\u1ecb c\u0169 ho\u1eb7c b\u1ed9 kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111\u1ed9c l\u1eadp kh\u00f4ng c\u00f3 \u0111i\u1ec1u khi\u1ec3n PLC<\/li>\n
                      • \u0110i\u1ec7n \u00e1p ph\u1ed5 bi\u1ebfn<\/strong>: Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c cung c\u1ea5p cho nhi\u1ec1u c\u01a1 s\u1edf to\u00e0n c\u1ea7u<\/li>\n<\/ul>\n

                        T\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 v\u00e0 HVAC<\/h4>\n

                        \u0110\u1ec1 xu\u1ea5t: 24V AC ho\u1eb7c 24V DC<\/strong><\/p>\n

                        H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng tr\u00ean 24V AC (B\u1eafc M\u1ef9) ho\u1eb7c 24V DC (Ch\u00e2u \u00c2u). R\u01a1le th\u1eddi gian \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 tr\u1ec5 t\u1eaft qu\u1ea1t, \u0111\u1ed9 tr\u1ec5 th\u1eddi gian m\u00e1y n\u00e9n, chu k\u1ef3 th\u00f4ng gi\u00f3 v\u00e0 tr\u00ecnh t\u1ef1 chi\u1ebfu s\u00e1ng.<\/p>\n

                          \n
                        • 120V\/230V AC<\/strong>: \u0110i\u1ec1u khi\u1ec3n tr\u1ef1c ti\u1ebfp thi\u1ebft b\u1ecb \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1eddng d\u00e2y m\u00e0 kh\u00f4ng c\u1ea7n contactor<\/li>\n
                        • 12V DC<\/strong>: H\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng \u1eafc quy cho ho\u1ea1t \u0111\u1ed9ng kh\u1ea9n c\u1ea5p<\/li>\n<\/ul>\n

                          \u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 v\u00e0 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n<\/h4>\n

                          \u0110\u1ec1 xu\u1ea5t: Thay \u0111\u1ed5i theo k\u00edch th\u01b0\u1edbc \u0111\u1ed9ng c\u01a1 v\u00e0 ki\u1ebfn tr\u00fac \u0111i\u1ec1u khi\u1ec3n<\/strong><\/p>\n\n\n\n\n\n\n\n
                          \u1ee8ng d\u1ee5ng \u0111\u1ed9ng c\u01a1<\/strong><\/td>\n\u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n<\/strong><\/td>\nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<\/tr>\n
                          \u0110\u1ed9ng c\u01a1 nh\u1ecf (<2 HP) v\u1edbi b\u1ed9 kh\u1edfi \u0111\u1ed9ng<\/strong><\/td>\n24V DC<\/td>\nB\u0103ng t\u1ea3i \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC, tr\u00ecnh t\u1ef1 b\u01a1m<\/td>\n<\/tr>\n
                          \u0110\u1ed9ng c\u01a1 trung b\u00ecnh (2-50 HP)<\/strong><\/td>\n120V AC<\/td>\n\u0110i\u1ec1u khi\u1ec3n cu\u1ed9n d\u00e2y contactor \u1edf B\u1eafc M\u1ef9<\/td>\n<\/tr>\n
                          \u0110\u1ed9ng c\u01a1 l\u1edbn (>50 HP)<\/strong><\/td>\n230V xoay chi\u1ec1u<\/td>\nThi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p c\u00f4ng su\u1ea5t cao<\/td>\n<\/tr>\n
                          B\u1ed9 kh\u1edfi \u0111\u1ed9ng sao-tam gi\u00e1c<\/strong><\/td>\n24V DC ho\u1eb7c 120V<\/td>\n\u0110\u1ecbnh th\u1eddi chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c cu\u1ed9n d\u00e2y sao v\u00e0 tam gi\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                          Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p v\u00e0 di \u0111\u1ed9ng<\/h4>\n

                          \u0110\u1ec1 xu\u1ea5t: 12V DC<\/strong><\/p>\n

                          M\u00e1y k\u00e9o, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau v\u00e0 m\u00e1y m\u00f3c di \u0111\u1ed9ng s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u1eafc quy 12V. R\u01a1le th\u1eddi gian \u0111i\u1ec1u khi\u1ec3n th\u1eddi gian v\u00f9ng t\u01b0\u1edbi, \u0111\u1ed9 tr\u1ec5 kh\u1edfi \u0111\u1ed9ng thi\u1ebft b\u1ecb v\u00e0 th\u1eddi gian h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3 (\u0111\u00e8n, m\u00e1y s\u01b0\u1edfi, m\u00e1y th\u1ed5i).<\/p>\n

                            \n
                          • 24V DC<\/strong>: Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p th\u01b0\u01a1ng m\u1ea1i l\u1edbn h\u01a1n v\u1edbi h\u1ec7 th\u1ed1ng 24V<\/li>\n
                          • 230V xoay chi\u1ec1u<\/strong>: Thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh c\u00f3 ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi (nh\u00e0 \u0111\u00f3ng g\u00f3i, c\u01a1 s\u1edf l\u01b0u tr\u1eef)<\/li>\n<\/ul>\n

                            H\u1ec7 th\u1ed1ng an to\u00e0n v\u00e0 kh\u1ea9n c\u1ea5p<\/h4>\n

                            \u0110\u1ec1 xu\u1ea5t: 24V DC (c\u00f3 d\u1ef1 ph\u00f2ng \u1eafc quy)<\/strong><\/p>\n

                            M\u1ea1ch an to\u00e0n n\u00ean s\u1eed d\u1ee5ng \u0111i\u1ec7n \u00e1p SELV v\u1edbi ngu\u1ed3n \u0111i\u1ec7n li\u00ean t\u1ee5c cho chi\u1ebfu s\u00e1ng kh\u1ea9n c\u1ea5p, h\u1ec7 th\u1ed1ng s\u01a1 t\u00e1n, d\u1eadp l\u1eeda v\u00e0 kh\u00f3a li\u00ean \u0111\u1ed9ng an to\u00e0n (theo ISO 13849).<\/p>\n

                            Y\u00eau c\u1ea7u quan tr\u1ecdng<\/strong>: R\u01a1le th\u1eddi gian li\u00ean quan \u0111\u1ebfn an to\u00e0n ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n ch\u1ee9c n\u0103ng hi\u1ec7n h\u00e0nh (x\u1ebfp h\u1ea1ng SIL theo IEC 61508 ho\u1eb7c M\u1ee9c hi\u1ec7u su\u1ea5t theo ISO 13849).<\/p>\n

                            Ti\u00eau chu\u1ea9n v\u00e0 Tu\u00e2n th\u1ee7<\/h2>\n

                            Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n r\u01a1le th\u1eddi gian ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 khu v\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, hi\u1ec7u su\u1ea5t v\u00e0 tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt.<\/p>\n

                            C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ch\u00ednh<\/h3>\n\n\n\n\n\n\n\n\n\n
                            Chu\u1ea9n<\/strong><\/td>\nPh\u1ea1m vi<\/strong><\/td>\nM\u1ee9c \u0111\u1ed9 li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111i\u1ec7n \u00e1p<\/strong><\/td>\n<\/tr>\n
                            TRUY\u1ec0N th\u00f4ng 61812-1<\/strong><\/td>\nR\u01a1le th\u1eddi gian \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/td>\nX\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 an to\u00e0n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n<\/td>\n<\/tr>\n
                            IEC 60255<\/strong><\/td>\nR\u01a1le \u0111o l\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7<\/td>\nBao g\u1ed3m c\u1ea5u tr\u00fac v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m r\u01a1le<\/td>\n<\/tr>\n
                            IEC 61140<\/strong><\/td>\nB\u1ea3o v\u1ec7 ch\u1ed1ng s\u1ed1c \u0111i\u1ec7n<\/td>\nX\u00e1c \u0111\u1ecbnh ph\u00e2n lo\u1ea1i an to\u00e0n SELV (\u226450V AC\/\u2264120V DC)<\/td>\n<\/tr>\n
                            IEC 60664-1<\/strong><\/td>\nPh\u1ed1i h\u1ee3p c\u00e1ch \u0111i\u1ec7n<\/td>\nCh\u1ec9 \u0111\u1ecbnh kho\u1ea3ng h\u1edf v\u00e0 kho\u1ea3ng c\u00e1ch r\u00f2 theo \u0111i\u1ec7n \u00e1p<\/td>\n<\/tr>\n
                            UL 508<\/strong><\/td>\nThi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p (B\u1eafc M\u1ef9)<\/td>\nTi\u00eau chu\u1ea9n an to\u00e0n cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n bao g\u1ed3m r\u01a1 le th\u1eddi gian<\/td>\n<\/tr>\n
                            IEC\/UL 61810-1<\/strong><\/td>\nR\u01a1 le c\u01a1 b\u1ea3n c\u01a1 \u0111i\u1ec7n<\/td>\nTi\u00eau chu\u1ea9n h\u00e0i h\u00f2a thay th\u1ebf UL 508 cho r\u01a1 le<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                            Ph\u00e2n lo\u1ea1i an to\u00e0n<\/h3>\n
                              \n
                            • \u00c1p d\u1ee5ng cho h\u1ec7 th\u1ed1ng 12V v\u00e0 24V DC<\/li>\n
                            • IEC 61140 \u0111\u1ecbnh ngh\u0129a SELV l\u00e0 \u226450V AC ho\u1eb7c \u2264120V DC<\/li>\n
                            • R\u1ee7i ro \u0111i\u1ec7n gi\u1eadt t\u1ed1i thi\u1ec3u<\/li>\n
                            • Cho ph\u00e9p c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 ch\u1ea1m v\u00e0o kh\u00f4ng c\u00e1ch ly trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh<\/li>\n
                            • \u01afu ti\u00ean cho c\u00e1c m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn b\u1edfi nh\u00e2n vi\u00ean<\/li>\n
                            • Y\u00eau c\u1ea7u c\u00e1ch ly \u0111i\u1ec7n v\u00e0 c\u00e1c r\u00e0o c\u1ea3n b\u1ea3o v\u1ec7<\/li>\n
                            • Y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t b\u1edfi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 \u1edf h\u1ea7u h\u1ebft c\u00e1c khu v\u1ef1c ph\u00e1p l\u00fd<\/li>\n
                            • Y\u00eau c\u1ea7u t\u00e0i li\u1ec7u v\u00e0 nh\u00e3n m\u00e1c an to\u00e0n b\u1ed5 sung<\/li>\n
                            • Ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng (NEC, IEC 60364, v.v.)<\/li>\n<\/ul>\n

                              C\u00e2n nh\u1eafc tu\u00e2n th\u1ee7 khu v\u1ef1c<\/h3>\n
                                \n
                              • Ch\u1ee9ng nh\u1eadn UL ho\u1eb7c CSA th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho c\u00e1c l\u1eafp \u0111\u1eb7t th\u01b0\u01a1ng m\u1ea1i<\/li>\n
                              • NEC (B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia) chi ph\u1ed1i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t<\/li>\n
                              • 120V AC l\u00e0 \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n ti\u00eau chu\u1ea9n cho c\u00e1c h\u1ec7 th\u1ed1ng c\u0169<\/li>\n
                              • Chuy\u1ec3n \u0111\u1ed5i sang 24V DC trong c\u00e1c d\u1ef1 \u00e1n t\u1ef1 \u0111\u1ed9ng h\u00f3a m\u1edbi<\/li>\n
                              • Y\u00eau c\u1ea7u d\u1ea5u CE (tu\u00e2n th\u1ee7 Ch\u1ec9 th\u1ecb \u0110i\u1ec7n \u00e1p Th\u1ea5p, Ch\u1ec9 th\u1ecb EMC)<\/li>\n
                              • IEC 61812-1 l\u00e0 ti\u00eau chu\u1ea9n ch\u1ee9c n\u0103ng ch\u00ednh<\/li>\n
                              • 230V AC ti\u00eau chu\u1ea9n cho \u0111i\u1ec1u khi\u1ec3n l\u1ea5y t\u1eeb ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi<\/li>\n
                              • 24V DC ti\u00eau chu\u1ea9n cho t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 h\u1ec7 th\u1ed1ng PLC<\/li>\n
                              • C\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau; C\u00e1c ti\u00eau chu\u1ea9n IEC \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i<\/li>\n
                              • Nhi\u1ec1u khu v\u1ef1c ch\u1ea5p nh\u1eadn ch\u1ee9ng nh\u1eadn UL ho\u1eb7c CE<\/li>\n
                              • Ti\u00eau chu\u1ea9n h\u00f3a \u0111i\u1ec7n \u00e1p kh\u00e1c nhau theo qu\u1ed1c gia (230V chi\u1ebfm \u01b0u th\u1ebf, m\u1ed9t s\u1ed1 220V\/240V)<\/li>\n<\/ul>\n

                                H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf<\/h2>\n

                                S\u01a1 \u0111\u1ed3 quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn nhanh<\/h3>\n

                                B\u1eaft \u0111\u1ea7u t\u1ea1i \u0111\u00e2y: B\u1ea1n c\u00f3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n c\u00f3 kh\u00f4ng?<\/strong><\/p>\n

                                \u2192 \u0110\u00daNG<\/strong>: Kh\u1edbp \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n c\u1ee7a PLC, DCS ho\u1eb7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n<\/p>\n

                                  \n
                                • H\u1ec7 th\u1ed1ng PLC \u2192 th\u01b0\u1eddng l\u00e0 24V DC<\/li>\n
                                • B\u1ea3ng r\u01a1 le c\u0169 h\u01a1n \u2192 120V AC (B\u1eafc M\u1ef9) ho\u1eb7c 230V AC (Ch\u00e2u \u00c2u)<\/li>\n
                                • T\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 \u2192 24V AC\/DC<\/li>\n
                                • Thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u2192 12V DC<\/li>\n<\/ul>\n
                                  \"Decision
                                  H\u00ecnh 4: H\u01b0\u1edbng d\u1eabn ch\u1ecdn \u0111i\u1ec7n \u00e1p r\u01a1 le th\u1eddi gian \u2013 L\u01b0u \u0111\u1ed3 to\u00e0n di\u1ec7n t\u1eeb c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng \u0111\u1ebfn khuy\u1ebfn ngh\u1ecb \u0111i\u1ec7n \u00e1p.<\/figcaption><\/figure>\n

                                  \u2192 KH\u00d4NG<\/strong> (Thi\u1ebft k\u1ebf m\u1edbi): Ch\u1ecdn 24V DC<\/strong><\/p>\n

                                    \n
                                  • Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p, t\u00ednh linh ho\u1ea1t t\u1ed1i \u0111a<\/li>\n
                                  • H\u1ed3 s\u01a1 an to\u00e0n t\u1ed1t nh\u1ea5t (SELV)<\/li>\n
                                  • T\u00ednh kh\u1ea3 d\u1ee5ng s\u1ea3n ph\u1ea9m r\u1ed9ng nh\u1ea5t<\/li>\n
                                  • Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/li>\n<\/ul>\n

                                    Ngo\u1ea1i l\u1ec7<\/strong>: N\u1ebfu thi\u1ebft b\u1ecb ch\u1ea1y b\u1eb1ng \u0111i\u1ec7n l\u01b0\u1edbi m\u00e0 kh\u00f4ng c\u00f3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, h\u00e3y s\u1eed d\u1ee5ng 120V\/230V AC (khu v\u1ef1c) \u0111\u1ec3 lo\u1ea1i b\u1ecf chi ph\u00ed ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n

                                    Nh\u1eefng c\u00e2n nh\u1eafc khi c\u00e0i \u0111\u1eb7t<\/h3>\n\n\n\n\n\n\n\n\n\n
                                    T\u1ed1<\/strong><\/td>\n12V\/24V DC<\/strong><\/td>\n120V\/230V AC<\/strong><\/td>\n<\/tr>\n
                                    Y\u00eau c\u1ea7u ngu\u1ed3n \u0111i\u1ec7n<\/strong><\/td>\nC\u00f3 (th\u00eam $50-200)<\/td>\nKh\u00f4ng (tr\u1ef1c ti\u1ebfp t\u1eeb ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi)<\/td>\n<\/tr>\n
                                    D\u00e2y \u0111i\u1ec7n<\/strong><\/td>\nCh\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c c\u1ee1 d\u00e2y nh\u1ecf h\u01a1n<\/td>\nC\u1ee1 d\u00e2y l\u1edbn h\u01a1n, th\u01b0\u1eddng y\u00eau c\u1ea7u \u1ed1ng d\u1eabn<\/td>\n<\/tr>\n
                                    Nh\u00e2n c\u00f4ng l\u1eafp \u0111\u1eb7t<\/strong><\/td>\nCh\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c tr\u00ecnh \u0111\u1ed9 k\u1ef9 n\u0103ng th\u1ea5p h\u01a1n<\/td>\nTh\u01b0\u1eddng y\u00eau c\u1ea7u th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p<\/td>\n<\/tr>\n
                                    X\u1eed l\u00fd s\u1ef1 c\u1ed1<\/strong><\/td>\nAn to\u00e0n cho k\u1ef9 thu\u1eadt vi\u00ean \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o c\u01a1 b\u1ea3n<\/td>\nY\u00eau c\u1ea7u c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n \u0111i\u1ec7n<\/td>\n<\/tr>\n
                                    M\u1ed1i quan t\u00e2m v\u1ec1 s\u1ee5t \u00e1p<\/strong><\/td>\n\u0110\u00e1ng k\u1ec3 tr\u00ean c\u00e1c \u0111\u01b0\u1eddng ch\u1ea1y >100m<\/td>\nT\u1ed1i thi\u1ec3u<\/td>\n<\/tr>\n
                                    \u0110\u1ed9 nh\u1ea1y EMI<\/strong><\/td>\nDC mi\u1ec5n nhi\u1ec5m h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 24V)<\/td>\nAC d\u1ec5 b\u1ecb nhi\u1ec5u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                    Ph\u00e2n T\u00edch L\u1ee3i Nhu\u1eadn<\/h3>\n
                                      \n
                                    • 12V\/24V DC<\/strong>: R\u01a1 le + ngu\u1ed3n \u0111i\u1ec7n ($50-200) = Chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc cao h\u01a1n<\/li>\n
                                    • 120V\/230V AC<\/strong>: Ch\u1ec9 r\u01a1 le = Chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc th\u1ea5p h\u01a1n<\/li>\n
                                    • 24V DC<\/strong>: B\u1ea3o tr\u00ec th\u1ea5p h\u01a1n (kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 an to\u00e0n h\u01a1n), m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng h\u01a1n, \u0111\u1ed9 tin c\u1eady t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o<\/li>\n
                                    • 120V\/230V AC<\/strong>: Nguy c\u01a1 v\u1ea5p kh\u00f3 ch\u1ecbu cao h\u01a1n do dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p, y\u00eau c\u1ea7u th\u1ee3 \u0111i\u1ec7n cho c\u00e1c s\u1eeda \u0111\u1ed5i<\/li>\n<\/ul>\n

                                      \u0110\u1ec1 Xu\u1ea5t c\u1ee7a VIOX<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c l\u1eafp \u0111\u1eb7t c\u00f4ng nghi\u1ec7p m\u1edbi, l\u1ee3i \u00edch l\u00e2u d\u00e0i c\u1ee7a h\u1ec7 th\u1ed1ng 24V DC l\u1edbn h\u01a1n chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc b\u1ed5 sung khi\u00eam t\u1ed1n. S\u1ef1 an to\u00e0n, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh linh ho\u1ea1t m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n mang l\u1ea1i t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

                                      Nh\u1eefng C\u00e2u H\u1ecfi Th\u01b0\u1eddng<\/h2>\n

                                      T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u01a1 le th\u1eddi gian 24V v\u1edbi t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n 12V kh\u00f4ng?<\/h3>\n

                                      Kh\u00f4ng, kh\u00f4ng tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c. R\u01a1 le 24V y\u00eau c\u1ea7u x\u1ea5p x\u1ec9 24V \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n cho cu\u1ed9n d\u00e2y m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. Ch\u1ec9 c\u1ea5p 12V s\u1ebd d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n cu\u1ed9n d\u00e2y kh\u00f4ng \u0111\u1ee7, ng\u0103n r\u01a1 le chuy\u1ec3n m\u1ea1ch. B\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng r\u01a1 le th\u1eddi gian \u0111\u1ecbnh m\u1ee9c 12V ho\u1eb7c th\u00eam b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p. M\u1ed9t s\u1ed1 r\u01a1 le th\u1eddi gian \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng (v\u00ed d\u1ee5: d\u1ea3i \u0111i\u1ec7n \u00e1p 12-48V DC) c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u1ea3 hai \u0111i\u1ec7n \u00e1p.<\/p>\n

                                      \u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu t\u00f4i k\u1ebft n\u1ed1i r\u01a1 le th\u1eddi gian 120V AC v\u1edbi ngu\u1ed3n 230V AC?<\/h3>\n

                                      R\u01a1 le s\u1ebd b\u1ecb h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng ho\u1eb7c ph\u00e1 h\u1ee7y ngay l\u1eadp t\u1ee9c. \u0110i\u1ec7n \u00e1p qu\u00e1 cao g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t cu\u1ed9n d\u00e2y, ph\u00e1 v\u1ee1 l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00f3 nguy c\u01a1 h\u1ecfa ho\u1ea1n. Lu\u00f4n x\u00e1c minh \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n c\u1ea7n kh\u1ea3 n\u0103ng \u0111a \u0111i\u1ec7n \u00e1p, h\u00e3y ch\u1ec9 \u0111\u1ecbnh m\u1ed9t ki\u1ec3u m\u00e1y \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho to\u00e0n b\u1ed9 d\u1ea3i \u0111i\u1ec7n \u00e1p c\u1ee7a b\u1ea1n.<\/p>\n

                                      T\u00f4i c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ea3i 230V b\u1eb1ng r\u01a1 le th\u1eddi gian 24V DC kh\u00f4ng?<\/h3>\n

                                      V\u00e2ng, ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c. \u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n (24V DC) \u0111\u1ed9c l\u1eadp v\u1edbi th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a ti\u1ebfp \u0111i\u1ec3m. Ti\u1ebfp \u0111i\u1ec3m c\u1ee7a r\u01a1 le th\u1eddi gian \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ri\u00eang v\u1ec1 kh\u1ea3 n\u0103ng chuy\u1ec3n m\u1ea1ch, th\u01b0\u1eddng l\u00e0 5A \u0111\u1ebfn 16A \u1edf 250V AC. H\u00e3y x\u00e1c minh r\u1eb1ng th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a ti\u1ebfp \u0111i\u1ec3m \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 y\u00eau c\u1ea7u t\u1ea3i c\u1ee7a b\u1ea1n. \u0110i\u1ec7n \u00e1p 24V DC ch\u1ec9 c\u1ea5p ngu\u1ed3n cho cu\u1ed9n d\u00e2y r\u01a1 le; c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p cao h\u01a1n nhi\u1ec1u m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n

                                      \u0110i\u1ec7n \u00e1p 24V AC c\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 24V DC cho r\u01a1 le th\u1eddi gian kh\u00f4ng?<\/h3>\n

                                      Kh\u00f4ng, ch\u00fang kh\u00e1c nhau. M\u1ed9t s\u1ed1 r\u01a1 le th\u1eddi gian ch\u1ec9 ch\u1ea5p nh\u1eadn AC, ch\u1ec9 DC ho\u1eb7c c\u1ea3 hai. R\u01a1 le AC s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft k\u1ebf cu\u1ed9n d\u00e2y kh\u00e1c v\u1edbi r\u01a1 le DC. Lu\u00f4n x\u00e1c minh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a r\u01a1 le cho bi\u1ebft \u201cAC\u201d, \u201cDC\u201d ho\u1eb7c \u201cAC\/DC\u201d. R\u01a1 le th\u1eddi gian VIOX \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng th\u01b0\u1eddng ch\u1ea5p nh\u1eadn c\u1ea3 24V AC v\u00e0 24V DC m\u1ed9t c\u00e1ch ho\u00e1n \u0111\u1ed5i cho nhau, t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n lo\u1ea1i \u0111\u1ea7u v\u00e0o.<\/p>\n

                                      T\u1ea1i sao ngu\u1ed3n 24V DC \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n ngu\u1ed3n 12V DC trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p?<\/h3>\n

                                      Hai l\u00fd do ch\u00ednh: (1) D\u00f2ng \u0111i\u1ec7n ti\u00eau th\u1ee5 th\u1ea5p h\u01a1n\u201424V ch\u1ec9 y\u00eau c\u1ea7u m\u1ed9t n\u1eeda d\u00f2ng \u0111i\u1ec7n so v\u1edbi 12V cho c\u00f9ng m\u1ed9t c\u00f4ng su\u1ea5t; (2) Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u t\u1ed1t h\u01a1n. Th\u00eam v\u00e0o \u0111\u00f3, 24V l\u00e0 ti\u00eau chu\u1ea9n PLC \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/p>\n

                                      T\u00f4i c\u00f3 c\u1ea7n m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n \u0111\u1eb7c bi\u1ec7t cho r\u01a1 le th\u1eddi gian 24V DC kh\u00f4ng?<\/h3>\n

                                      \u0110\u00fang, b\u1ea1n c\u1ea7n m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n 24V DC \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh (ngu\u1ed3n \u0111i\u1ec7n chuy\u1ec3n m\u1ea1ch g\u1eafn tr\u00ean ray DIN \u0111\u1ecbnh m\u1ee9c 24V DC, 1-10A t\u00f9y thu\u1ed9c v\u00e0o t\u1ea3i). Ngu\u1ed3n \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi 120V ho\u1eb7c 230V AC th\u00e0nh ngu\u1ed3n 24V DC \u1ed5n \u0111\u1ecbnh. Ch\u1ecdn k\u00edch th\u01b0\u1edbc ngu\u1ed3n \u0111i\u1ec7n cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi bi\u00ean \u0111\u1ed9 20%. VIOX cung c\u1ea5p c\u00e1c ngu\u1ed3n \u0111i\u1ec7n ray DIN t\u01b0\u01a1ng th\u00edch.<\/p>\n

                                      \n

                                      Vi\u1ec7c ch\u1ecdn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n r\u01a1 le th\u1eddi gian ch\u00ednh x\u00e1c s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 an to\u00e0n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 tin c\u1eady. Trong khi 24V DC l\u00e0 ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u cho t\u1ef1 \u0111\u1ed9ng h\u00f3a hi\u1ec7n \u0111\u1ea1i, 12V DC ph\u1ee5c v\u1ee5 c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng v\u00e0 120V\/230V AC v\u1eabn c\u1ea7n thi\u1ebft cho c\u00e1c thi\u1ebft b\u1ecb ch\u1ea1y b\u1eb1ng \u0111i\u1ec7n l\u01b0\u1edbi. VIOX Electric cung c\u1ea5p r\u01a1 le th\u1eddi gian tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c t\u00f9y ch\u1ecdn \u0111i\u1ec7n \u00e1p v\u1edbi c\u00e1c ki\u1ec3u \u0111i\u1ec7n \u00e1p \u0111a n\u0103ng \u0111\u1ec3 c\u00f3 t\u00ednh linh ho\u1ea1t t\u1ed1i \u0111a.<\/p>\n<\/div>\n

                                      <\/div>\n
                                      <\/div>","protected":false},"excerpt":{"rendered":"

                                      Choosing the right control voltage for your timer relay\u201412V, 24V, 120V, or 230V\u2014directly impacts system safety, compatibility, and reliability. While 24V DC has become the modern standard for industrial automation due to its safety advantages and PLC compatibility, 12V suits mobile and battery-powered applications, and 120V\/230V AC options remain essential for high-power equipment and regional […]<\/p>\n","protected":false},"author":1,"featured_media":20886,"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-20883","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\/20883","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=20883"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20883\/revisions"}],"predecessor-version":[{"id":20885,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20883\/revisions\/20885"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/20886"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=20883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=20883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=20883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}