{"id":6579,"date":"2012-07-19T17:52:19","date_gmt":"2012-07-19T10:52:19","guid":{"rendered":"https:\/\/banbientan.com\/?p=6579"},"modified":"2012-07-19T17:52:19","modified_gmt":"2012-07-19T10:52:19","slug":"cong-nghe-va-cau-hinh","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=6579","title":{"rendered":"C\u00f4ng ngh\u1ec7 v\u00e0 C\u1ea5u h\u00ecnh"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u\"\"<\/a><\/span><\/strong>
\n<\/strong><\/span>
\nH\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 di chuy\u1ec3n c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 theo c\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed9ng mong mu\u1ed1n.<\/span>
\nC\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y l\u00e0 g\u00ec? C\u00e1ch th\u1ee9c ch\u00fang ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng mong mu\u1ed1n?
\nTrong b\u00e0i h\u1ecdc n\u00e0y, ch\u00fang ta s\u1ebd xem x\u00e9t t\u1eebng b\u1ed9 ph\u1eadn, m\u1ee5c \u0111\u00edch v\u00e0 c\u00e1ch ch\u00fang li\u00ean k\u1ebft v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng.
\n 
\n 
\nC\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a H\u1ec7 th\u1ed1ng\"\"<\/a><\/span><\/strong><\/strong><\/span>
\nH\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111\u1ea1t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c tr\u1ee5c trong \u1ee9ng d\u1ee5ng.<\/span>
\n\u1ede d\u1ea1ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng bao g\u1ed3m 6 b\u1ed9 ph\u1eadn c\u01a1 b\u1ea3n:<\/span><\/p>\n

    \n
  1. Giao di\u1ec7n V\u1eadn h\u00e0nh <\/strong><\/li>\n
  2. B\u1ed9 x\u1eed l\u00fd Gi\u00e1m s\u00e1t <\/strong><\/li>\n
  3. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Chuy\u1ec3n \u0111\u1ed9ng <\/strong><\/li>\n
  4. B\u1ed9 khu\u1ebfch \u0111\u1ea1i C\u00f4ng su\u1ea5t ho\u1eb7c Thi\u1ebft b\u1ecb Truy\u1ec1n \u0111\u1ed9ng <\/strong><\/li>\n
  5. \u0110\u1ed9ng c\u01a1\/B\u1ed9 d\u1eabn \u0111\u1ed9ng <\/strong><\/li>\n
  6. B\u1ed9 m\u00e3 h\u00f3a Ph\u1ea3n h\u1ed3i<\/strong><\/li>\n<\/ol>\n

    Giao di\u1ec7n v\u00e0 B\u1ed9 x\u1eed l\u00fd\"\"<\/a><\/span><\/strong><\/strong><\/span>
    \nGiao di\u1ec7n V\u1eadn h\u00e0nh<\/strong> cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c ra l\u1ec7nh cho h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng, d\u1eebng, thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9, thay \u0111\u1ed5i h\u01b0\u1edbng, v.\u00a0<\/span>v, Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng.<\/span>
    \nA x\u1eed l\u00fd Gi\u00e1m s\u00e1t<\/strong>, th\u01b0\u1eddng l\u00e0 PLC (B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Logic L\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c), cung c\u1ea5p n\u1ec1n t\u1ea3ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u1ea3 giao di\u1ec7n v\u1eadn h\u00e0nh v\u00e0 B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Chuy\u1ec3n \u0111\u1ed9ng.\u00a0 B\u1ed9 x\u1eed l\u00fd gi\u00e1m s\u00e1t c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ecdc c\u00e1c c\u1ea3m bi\u1ebfn kh\u00e1c \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed9ng v\u00e0 chuy\u1ec3n tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang t\u1edbi ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng.<\/span>
    \nB\u1ed9 \u0111i\u1ec1u khi\u1ec3n Chuy\u1ec3n \u0111\u1ed9ng    \"\"<\/a><\/span><\/strong><\/strong><\/span>
    \nB\u1ed9\u00a0 \u0111i\u1ec1u khi\u1ec3n Chuy\u1ec3n \u0111\u1ed9ng<\/strong>\u00a0\u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u1ea7n thi\u1ebft nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng y\u00eau c\u1ea7u.<\/span> <\/span>
    \nTuy nhi\u00ean, nh\u1eefng t\u00edn hi\u1ec7u m\u1ee9c th\u1ea5p n\u00e0y kh\u00f4ng c\u00f3 \u0111\u1ee7 c\u00f4ng su\u1ea5t \u0111\u1ec3 di chuy\u1ec3n th\u1ef1c t\u1ebf thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7.<\/span>\u00a0 Do \u0111\u00f3, n\u00f3 s\u1ebd chuy\u1ec3n th\u00f4ng tin n\u00e0y t\u1edbi thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng \u0111\u1ec3 ra l\u1ec7nh cho \u0111\u1ed9ng c\u01a1\/b\u1ed9 d\u1eabn \u0111\u1ed9ng c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.
    \nB\u1ed9 \u0111i\u1ec1u khi\u1ec3n Chuy\u1ec3n \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t m\u00f4-\u0111un gh\u00e9p c\u1ee7a PLC ho\u1eb7c c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp, k\u1ebft h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 x\u1eed l\u00fd gi\u00e1m s\u00e1t
    \n<\/span>v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng trong m\u1ed9t thi\u1ebft b\u1ecb.<\/span>
    \nThi\u1ebft b\u1ecb Truy\u1ec1n \u0111\u1ed9ng    \"\"<\/a><\/span><\/strong><\/strong><\/span>
    \nTruy\u1ec1n \u0111\u1ed9ng Servo<\/strong>(\u0111\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 servo) ho\u1eb7c Truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n Xoay chi\u1ec1u<\/strong> (for an AC Motor) (\u0111\u1ed1i v\u1edbi \u0110\u1ed9ng c\u01a1 Xoay chi\u1ec1u) gi\u00fap chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n m\u1ee9c th\u1ea5p th\u00e0nh c\u00f4ng su\u1ea5t cao h\u01a1n y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi \u0110\u1ed9ng c\u01a1\/B\u1ed9 d\u1eabn \u0111\u1ed9ng<\/strong> \u0111\u1ec3 di chuy\u1ec3n th\u1ef1c t\u1ebf thi\u1ebft b\u1ecb trong nh\u00e0 m\u00e1y. <\/span>\u00a0\u00a0 <\/span>
    \nNhi\u1ec1u v\u00f2ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n thi\u1ebft cho \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c thi trong ch\u00ednh thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng. B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111\u1ecdc ph\u1ea3n h\u1ed3i c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed9ng mong mu\u1ed1n.
    \nTrong m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng, B\u1ed9 d\u1eabn \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ea1y b\u1eb1ng kh\u00ed ho\u1eb7c b\u1eb1ng th\u1ee7y l\u1ef1c nh\u01b0ng, trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, b\u1ed9 d\u1eabn \u0111\u1ed9ng \u0111\u01b0\u1ee3c d\u1ef1a v\u00e0o m\u1ed9t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n c\u00f4ng su\u1ea5t l\u1edbn.
    \nC\u00e1c nguy\u00ean l\u00fd C\u01a1 b\u1ea3n v\u00e0 Thu\u1eadt ng\u1eef<\/object><\/span><\/strong><\/strong><\/span>
    \n\u0110\u1ed9ng c\u01a1\/B\u1ed9 d\u1eabn \u0111\u1ed9ng<\/span><\/strong><\/strong><\/span>
    \nPh\u1ea7n l\u1edbn c\u00e1c B\u1ed9 d\u1eabn \u0111\u1ed9ng \u0111\u1ec1u d\u1ef1a tr\u00ean m\u1ed9t trong hai thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1:<\/span><\/p>\n