{"id":5919,"date":"2013-06-08T00:00:44","date_gmt":"2013-06-07T17:00:44","guid":{"rendered":"https:\/\/banbientan.com\/?p=5919"},"modified":"2013-06-08T00:00:44","modified_gmt":"2013-06-07T17:00:44","slug":"thiet-bi-dieu-khien-pho-bien","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=5919","title":{"rendered":"Thi\u1ebft b\u1ecb \u0110i\u1ec1u khi\u1ec3n Ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u<\/object><\/strong><\/span>
\nTrong b\u00e0i h\u1ecdc n\u00e0y, b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 nh\u00f3m th\u1ee9 hai c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec1u khi\u1ec3n, “Nh\u00f3m Thi\u1ebft b\u1ecb \u0110i\u1ec1u khi\u1ec3n”.<\/span>
\nThi\u1ebft b\u1ecb <\/span><\/span>\u0111<\/span><\/span>\u1ea7u ra <\/span><\/span>\u0111\u01b0<\/span><\/span>\u1ee3c v\u1eadn h\u00e0nh b\u1edfi thi\u1ebft b\u1ecb <\/span><\/span>\u0111i<\/span><\/span>\u1ec1u khi\u1ec3n theo t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb <\/span><\/span>\u0111<\/span><\/span>\u1ea7u v\u00e0o.\u001d<\/span><\/span>
\n“R\u01a1-le” v\u00e0 “B\u1ed9 h\u1eb9n gi\u1edd (Timer)” l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n r\u1ea5t ph\u1ed5 bi\u1ebfn.
\n\u0110\u1ed3ng th\u1eddi, b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u c\u00e1ch l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m c\u1ee7a OMRON cho m\u1ee5c n\u00e0y.
\n 
\nThi\u1ebft b\u1ecb<\/span> \u0110i\u1ec1u khi\u1ec3n (R\u01a1 le<\/a>)\u00a0<\/object><\/strong><\/span><\/span><\/span>
\nTrong c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u00e1y m\u00f3c trong nh\u00e0 m\u00e1y, thi\u1ebft b\u1ecb \u0111\u1ea7u ra \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1edfi thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n theo t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o.
\nV\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n x\u00e1c \u0111\u1ecbnh quy t\u1eafc ho\u1eb7c th\u1ee9 t\u1ef1 v\u1eadn h\u00e0nh.
\nM\u1ed9t r\u01a1-le B\u1eacT ho\u1eb7c T\u1eaeT ti\u1ebfp \u0111i\u1ec3m b\u1eb1ng \u0111i\u1ec7n t\u1eeb.<\/p>\n
    \n
  1. \n
    “R\u01a1-le” truy\u1ec1n t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb \u0111\u1ea7u ra.<\/span><\/div>\n<\/li>\n
  2. \n
    “R\u01a1-le” g\u1ed3m hai ph\u1ea7n, B\u1ed9 ph\u1eadn Cu\u1ed9n d\u00e2y v\u00e0 B\u1ed9 ph\u1eadn Ti\u1ebfp \u0111i\u1ec3m. Hai ph\u1ea7n n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n.<\/span><\/div>\n<\/li>\n
  3. \n
    “R\u01a1-le” c\u00f3 th\u1ec3 bao g\u1ed3m\u00a0<\/span>nhi\u1ec1u ti\u1ebfp \u0111i\u1ec3m trong m\u1ed9t B\u1ed9 ph\u1eadn Ti\u1ebfp \u0111i\u1ec3m v\u1ead<\/span>v\u1eadn h\u00e0nh c\u00e1c ti\u1ebfp \u0111i\u1ec3m n\u00e0y c\u00f9ng m\u1ed9t l\u00fac.<\/span><\/span>C\u1ea5u tr\u00fac\u00a0n\u00e0y mang l\u1ea1i t\u00ednh n\u0103ng duy nh\u1ea5t cho “R\u01a1-le”
    \n(1) R\u01a1-le c\u00f3 th\u1ec3 x\u1eed l\u00fd hai ho\u1eb7c nhi\u1ec1u t\u1ea3i v\u1edbi m\u1ed9t \u0111\u1ea7u v\u00e0o.
    \n\u00a0 (2) R\u01a1-le c\u00f3 th\u1ec3 chuy\u1ec3n m\u1ea1ch t\u1ea3i l\u1edbn b\u1eb1ng d\u00f2ng \u0111i\u1ec7n nh\u1ecf.
    \n(3) R\u01a1-le\u00a0<\/span>c\u00f3 th\u1ec3 truy\u1ec1n c\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u \u0111i\u1ec7n kh\u00e1c nhau. V\u00ed d\u1ee5: c\u00f3 th\u1ec3 chuy\u1ec3n m\u1ea1ch t\u1ea3i AC\u00a0b\u1eb1ng t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o DC.<\/span><\/span><\/div>\n

    \n<\/span><\/span><\/div>\n
    Thi\u1ebft b\u1ecb<\/span> \u0110i\u1ec1u khi\u1ec3n (<\/strong>B\u1ed9 \u0111\u1eb7t th\u1eddi gian<\/a><\/span><\/span><\/span><\/span>)<\/object><\/span><\/span><\/span><\/strong><\/div>\n
    \n“R\u01a1-le” v\u00e0 “B\u1ed9 h\u1eb9n gi\u1edd” l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 “B\u1ed9 h\u1eb9n gi\u1edd” r\u1ea5t gi\u1ed1ng v\u1edbi “R\u01a1-le”.<\/p>\n
      \n
    1. \n
      “B\u1ed9 h\u1eb9n gi\u1edd” c\u0169ng nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb \u0111\u1ea7u ra. sau m\u1ed9t kho\u1ea3ng th\u1eddi gian cho tr\u01b0\u1edbc.<\/span> <\/span><\/div>\n<\/li>\n
    2. \n
      “B\u1ed9 h\u1eb9n gi\u1edd” <\/span><\/span>g\u1ed3m ba ph\u1ea7n, <\/span>B\u1ed9 ph\u1eadn \u0110\u1ebfm Gi\u1edd, B\u1ed9 ph\u1eadn Cu\u1ed9n d\u00e2y v\u00e0 B\u1ed9 ph\u1eadn Ti\u1ebfp \u0111i\u1ec3m.<\/span><\/span>“B\u1ed9 h\u1eb9n gi\u1edd” c\u0169ng c\u00f3 c\u00e1c t\u00ednh n\u0103ng duy nh\u1ea5t nh\u01b0 “R\u01a1-le”.
      \n(1) B\u1ed9 h\u1eb9n gi\u1edd c\u00f3 th\u1ec3 x\u1eed l\u00fd hai ho\u1eb7c nhi\u1ec1u t\u1ea3i v\u1edbi m\u1ed9t \u0111\u1ea7u v\u00e0o.
      \n\u00a0 (2) B\u1ed9 h\u1eb9n gi\u1edd c\u00f3 th\u1ec3 chuy\u1ec3n m\u1ea1ch t\u1ea3i l\u1edbn b\u1eb1ng d\u00f2ng \u0111i\u1ec7n nh\u1ecf.
      \n(3) B\u1ed9 h\u1eb9n gi\u1edd\u00a0 <\/span>c\u00f3 th\u1ec3 truy\u1ec1n c\u00e1c lo\u1ea1i t\u00edn hi\u1ec7u \u0111i\u1ec7n
      \nkh\u00e1c nhau.<\/span><\/div>\n<\/li>\n<\/ol>\n

      C\u00e1c Thi\u1ebft b\u1ecb \u0110i\u1ec1u khi\u1ec3n Kh\u00e1c<\/span><\/strong><\/span><\/span><\/span><\/strong><\/span><\/span><\/span>\n<\/div>\n


      \n<\/strong><\/span>(click v\u00e0o c\u00e1c tab v\u00e0 n\u00fat \u1ea5n trong h\u00ecnh \u0111\u1ec3 xem chi ti\u1ebft)<\/span><\/span><\/em><\/object><\/span><\/strong><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/div>\n
      \nK\u1ebft h\u1ee3p r\u01a1-le v\u00e0 b\u1ed9 h\u1eb9n gi\u1edd mang l\u1ea1i nhi\u1ec1u t\u00f9y ch\u1ecdn \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n tu\u1ea7n t\u1ef1 v\u00e0 \u0111\u1ecbnh gi\u1edd v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb \u0111\u1ea7u ra.
      \nTuy nhi\u00ean, \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c v\u1eadn h\u00e0nh ph\u1ee9c t\u1ea1p h\u01a1n, c\u00f3 th\u1ec3 c\u1ea7n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nh\u01b0 B\u1ed9 \u0111\u1ebfm, Thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t Nhi\u1ec7t \u0111\u1ed9 v\u00e0 B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Logic L\u1eadp tr\u00ecnh (PLC).<\/p>\n
        \n
      1. \u00a0“B\u1ed9 \u0111\u1ebfm” \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng t\u00edn hi\u1ec7u \u0111\u1ebfn t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o ho\u1eb7c c\u1ea3m bi\u1ebfn. Sau \u0111\u00f3 b\u1ed9 \u0111\u1ebfm x\u00e1c \u0111\u1ecbnh c\u00e1ch v\u00e0 th\u1eddi \u0111i\u1ec3m \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u ra c\u1ee7a m\u00ecnh d\u1ef1a tr\u00ean m\u1ed9t v\u00e0i kh\u1ea3 n\u0103ng do ng\u01b0\u1eddi d\u00f9ng ch\u1ecdn. \u00a0 <\/span><\/span><\/li>\n
      2. “Thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t Nhi\u1ec7t \u0111\u1ed9” \u0111o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng ho\u1eb7c ch\u1ea5t kh\u00ed v\u00e0 so s\u00e1nh nhi\u1ec7t \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c v\u1edbi m\u1ee5c ti\u00eau \u0111\u00e3 cho v\u00e0 quy\u1ebft \u0111\u1ecbnh c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u ra \u0111\u1ec3 l\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9. <\/span><\/li>\n
      3. \u00a0“PLC” c\u0169ng x\u1eed l\u00fd t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o nh\u01b0ng \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb \u0111\u1ea7u ra c\u1ee7a m\u00ecnh theo ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng l\u1eadp ra \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb PLC. Theo c\u00e1ch n\u00e0y, b\u1ed9 x\u1eed l\u00fd trong PLC c\u00f3 th\u1ec3 \u0111i\u1ec1u ti\u1ebft nhi\u1ec1u k\u1ebft h\u1ee3p kh\u00e1c nhau gi\u1eefa thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7u ra m\u00e0 kh\u00f4ng ph\u1ea3i \u0111i d\u00e2y l\u1ea1i nhi\u1ec1u.<\/span><\/li>\n<\/ol>\n

        L\u1ef1a ch\u1ecdn S\u1ea3n ph\u1ea9m\"\"<\/a><\/span><\/strong><\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/strong><\/span><\/span><\/span>\n<\/div>\n

        \n

        Omron cung c\u1ea5p nhi\u1ec1u lo\u1ea1i b\u1ed9 ph\u1eadn \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.
        \nCh\u00fang ta h\u00e3y xem nh\u00f3m c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n ti\u00eau chu\u1ea9n c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n

          \n
        1. \n
        2. \n
        3. \n
          \n
          C\u00e1c Thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t kh\u00e1c<\/span>
          \n          B\u1ed9 \u0111\u1ebfm \u0110a ch\u1ee9c n\u0103ng H7CX\u00a0<\/a>
          \n          Thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t Nhi\u1ec7t \u0111\u1ed9 S\u1ed1 lo\u1ea1i C\u01a1 b\u1ea3n E5CN<\/a>
          \n          SYSMAC PLC d\u00f2ng CP1L.<\/a><\/span>
          \n<\/span><\/a><\/div>\n<\/div>\n<\/li>\n<\/ol>\n

           
          \nM\u1ee5c l\u1ee5c:<\/strong>
          \n          B\u00e0i 1: Gi\u1edbi thi\u1ec7u v\u1ec1 T\u1ef1 \u0111\u1ed9ng h\u00f3a Nh\u00e0 m\u00e1y<\/a><\/strong><\/p>\n