{"id":3798,"date":"2021-11-03T20:09:08","date_gmt":"2021-11-03T13:09:08","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=3798"},"modified":"2021-11-03T20:09:10","modified_gmt":"2021-11-03T13:09:10","slug":"bo-lap-trinh-plc-la-gi-kien-thuc-tong-quan","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/bo-lap-trinh-plc-la-gi-kien-thuc-tong-quan\/","title":{"rendered":"B\u1ed9 l\u1eadp tr\u00ecnh PLC l\u00e0 g\u00ec? Ki\u1ebfn th\u1ee9c t\u1ed5ng quan"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC l\u00e0 m\u1ed9t module c\u00f4ng ngh\u1ec7 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a b\u1ed9 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a> PLC \u0111\u00f3 ch\u00ednh l\u00e0 d\u1ec5 d\u00e0ng thay \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh theo \u00fd mu\u1ed1n, th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao,\u2026giao ti\u1ebfp \u0111\u01b0\u1ee3c v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb th\u00f4ng minh nh\u01b0 m\u00e1y t\u00ednh, n\u1ed1i m\u1ea1ng truy\u1ec1n th\u00f4ng. C\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">L\u1eadp tr\u00ecnh<\/a> PLC l\u00e0 g\u00ec? PLC l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft t\u1edbi v\u1edbi c\u00e1c t\u00ean g\u1ecdi nh\u01b0 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a> PLC, b\u1ed9 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a> PLC. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a>, ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n linh ho\u1ea1t c\u00e1c thu\u1eadt to\u00e1n \u0111i\u1ec1u khi\u1ec3n logic th\u00f4ng qua ng\u00f4n ng\u1eef <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a>. PLC l\u00e0 t\u00ean vi\u1ebft t\u1eaft c\u1ee7a Programmable Logic Controller.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u00f4n ng\u1eef <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">l\u1eadp tr\u00ecnh<\/a> s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn cho PLC \u0111\u00f3 l\u00e0 LAD (Ladder logic \u2013 D\u1ea1ng h\u00ecnh thang), FBD (Function Block Diagram \u2013 Kh\u1ed1i ch\u1ee9c n\u0103ng), STL (Statement List \u2013 Li\u1ec7t k\u00ea l\u1ec7nh) v\u00e0 Ladder logic. C\u00e1c h\u00e3ng s\u1ea3n xu\u1ea5t b\u1ed9 l\u1eadp tr\u00ecnh PLC m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn nh\u01b0 Siemens (\u0110\u1ee9c), Omron (Nh\u1eadt B\u1ea3n), Mitsubishi (Nh\u1eadt B\u1ea3n), Delta (\u0110\u00e0i Loan),\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Programmable Logic Controller d\u1ef1a v\u00e0o c\u00e1c t\u00edn hi\u1ec7u ng\u00f5 v\u00e0o v\u00e0 c\u00e1c thu\u1eadt to\u00e1n \u0111i\u1ec1u khi\u1ec3n b\u00ean trong do ng\u01b0\u1eddi l\u1eadp tr\u00ecnh vi\u1ebft, n\u00f3 s\u1ebd xu\u1ea5t c\u00e1c t\u00edn hi\u1ec7u ng\u00f5 ra \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a khoa h\u1ecdc k\u1ef9 thu\u1eadt, c\u00f4ng nghi\u1ec7p h\u00f3a \u2013 hi\u1ec7n \u0111\u1ea1i h\u00f3a \u0111\u1ea5t n\u01b0\u1edbc, PLC gi\u1eef vai tr\u00f2 quan tr\u1ecdng, c\u00f3 m\u1eb7t \u1edf t\u1ea5t c\u1ea3 c\u00e1c l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed h\u00f3a, ph\u1ee5c v\u1ee5 cho nhi\u1ec1u ng\u00e0nh, nhi\u1ec1u lo\u1ea1i m\u00e1y m\u00f3c kh\u00e1c nhau nh\u01b0 c\u1ea5p n\u01b0\u1edbc, gi\u00e1m s\u00e1t n\u0103ng l\u01b0\u1ee3ng, m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u t\u1ea1o PLC c\u00f3 nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau, trong \u0111\u00f3 c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh nh\u01b0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u1ed9 nh\u1edb ch\u01b0\u01a1ng tr\u00ecnh RAM b\u00ean trong ( c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng th\u00eam m\u1ed9t s\u1ed1 b\u1ed9 nh\u1edb ngo\u00e0i EPROM)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t CPU \u2013 B\u1ed9 x\u1eed l\u00fd trung t\u00e2m, c\u00f3 vai tr\u00f2 x\u1eed l\u00fd c\u00e1c thu\u1eadt to\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module v\u00e0o\/ra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u0103n c\u1ee9 v\u00e0o nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau, ng\u01b0\u1eddi ta chia b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PLC th\u00e0nh 2 lo\u1ea1i ch\u00ednh \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3u h\u1ed9p \u0111\u01a1n: L\u00e0 c\u00e1c PLC c\u1ee1 nh\u1ecf, \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng nguy\u00ean chi\u1ebfc ho\u00e0n ch\u1ec9nh, c\u00f3 \u0111\u1ee7 c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 b\u1ed9 ngu\u1ed3n, b\u1ed9 x\u1eed l\u00fd, b\u1ed9 nh\u1edb v\u00e0 c\u00e1c t\u00edn hi\u1ec7u v\u00e0o\/ra. PLC ki\u1ec3u h\u1ed9p \u0111\u01a1n v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng gh\u00e9p n\u1ed1i v\u1edbi c\u00e1c module r\u1eddi \u0111\u1ec3 \u1edf r\u1ed9ng th\u00eam c\u00e1c t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC ki\u1ec3u gh\u00e9p n\u1ed1i: Bao g\u1ed3m c\u00e1c module ri\u00eang cho t\u1eebng ch\u1ee9c n\u0103ng nh\u01b0 module ngu\u1ed3n, module x\u1eed l\u00fd trung t\u00e2m, module nh\u1edb,\u2026c\u00e1c module n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean c\u00e1c r\u00e3nh v\u00e0 \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi nhau. K\u1ebft c\u1ea5u kh\u00e1 linh ho\u1ea1t, cho ph\u00e9p m\u1edf r\u1ed9ng s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng v\u00e0o\/ra b\u1eb1ng c\u00e1ch b\u1ed5 sung c\u00e1c module v\u00e0o\/ra ho\u1eb7c t\u0103ng c\u01b0\u1eddng b\u1ed9 nh\u1edb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 l\u1eadp tr\u00ecnh PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c t\u00edn hi\u1ec7u t\u1eeb thi\u1ebft b\u1ecb ngo\u1ea1i vi (sensor, contact,\u2026) \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o CPU th\u00f4ng qua module \u0111\u1ea7u v\u00e0o. Sau khi nh\u1eadn t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o th\u00ec CPU s\u1ebd x\u1eed l\u00fd v\u00e0 \u0111\u01b0a c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n qua module \u0111\u1ea7u ra, xu\u1ea5t ra c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i theo m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chu tr\u00ecnh s\u1ebd bao g\u1ed3m \u0111\u1ecdc t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o, th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh, truy\u1ec1n th\u00f4ng n\u1ed9i, t\u1ef1 ki\u1ec3m tra l\u1ed7i, g\u1eedi v\u00e0 c\u1eadp nh\u1eadt t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 1 chu k\u1ef3 qu\u00e9t hay 1 v\u00f2ng qu\u00e9t (scan cycle). Vi\u1ec7c th\u1ef1c hi\u1ec7n m\u1ed9t v\u00f2ng qu\u00e9t k\u00e9o d\u00e0i trong kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn t\u1eeb (1 ms \u2013 100ms). Th\u1eddi gian th\u1ef1c hi\u1ec7n s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd l\u1ec7nh c\u1ee7a PLC, \u0111\u1ed9 d\u00e0i v\u00e0 ng\u1eafn c\u1ee7a c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh, t\u1ed1c \u0111\u1ed9 giao ti\u1ebfp c\u1ee7a PLC v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u01afu \u2013 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 \u01b0u \u0111i\u1ec3m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ec5 d\u00e0ng thay \u0111\u1ed5i m\u1ecdi ch\u01b0\u01a1ng tr\u00ecnh theo \u00fd mu\u1ed1n, th\u00edch h\u1ee3p \u0111\u1ec3 l\u1eadp tr\u00ecnh v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ea1ch \u0111i\u1ec7n r\u1ea5t g\u1ecdn nh\u1eb9, d\u1ec5 d\u00e0ng trong vi\u1ec7c b\u1ea3o qu\u1ea3n, s\u1eeda ch\u1eefa v\u00e0 thay th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 tin c\u1eady cao, chuaanr h\u00f3a \u0111\u01b0\u1ee3c trang thi\u1ebft b\u1ecb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p, c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u c\u1ef1c t\u1ed1t, l\u00e0m vi\u1ec7c v\u1edbi \u0111\u1ed9 tin c\u1eady cao trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Giao ti\u1ebfp v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb th\u00f4ng minh nh\u01b0 m\u00e1y t\u00ednh, n\u1ed1i m\u1ea1ng truy\u1ec1n th\u00f4ng,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f3 n\u1ec1n nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m cao hay d\u00f2ng \u0111i\u1ec7n nhi\u1ec1u dao \u0111\u1ed9ng,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 nh\u01b0\u1ee3c \u0111i\u1ec3m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt, b\u1ed9 l\u1eadp tr\u00ecnh PLC c\u00f2n c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u00e1 th\u00e0nh ph\u1ea7n c\u1ee9ng kh\u00e1 cao v\u00ec \u0111\u00e2y l\u00e0 thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 cao, t\u1ef1 \u0111\u1ed9ng cao n\u00ean nh\u1eefng gi\u00e1 tr\u1ecb \u0111\u00f3 s\u1ebd cao h\u01a1n so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb r\u01a1le ON\/OFF. Hi\u1ec7n nay, gi\u00e1 b\u00e1n c\u1ee7a PLC gi\u1ea3m \u0111\u00e1ng k\u1ec3 nh\u1ea5t l\u00e0 c\u00e1c d\u00f2ng PLC Mitsubishi ho\u1eb7c PLC Delta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 l\u1eadp tr\u00ecnh PLC \u1edf m\u1ed9t s\u1ed1 h\u00e3ng b\u1ea1n ph\u1ea3i mua th\u00eam ph\u1ea7n m\u1ec1m \u0111\u1ec3 d\u00f9ng trong l\u1eadp tr\u00ecnh. C\u00e1c lo\u1ea1i PLC s\u1ebd \u0111\u01b0\u1ee3c h\u00e3ng thi\u1ebft k\u1ebf ri\u00eang n\u00ean s\u1ebd c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t trong kh\u00e2u l\u1eadp tr\u00ecnh h\u1ec7 th\u1ed1ng. \u0110\u1ed3ng th\u1eddi, Programmable Logic Controller c\u0169ng \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n cao, trang b\u1ecb ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn t\u1eebng lo\u1ea1i PLC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u01b0\u01a1ng th\u1ee9c \u0111i\u1ec1u khi\u1ec3n ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Programmable Logic Controller c\u00f3 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c \u0111i\u1ec1u khi\u1ec3n ch\u00ednh sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n logic<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eddi gian, \u0111\u1ebfm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n r\u01a1 le<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng, b\u00e1n t\u1ef1 \u0111\u1ed9ng, b\u1eb1ng tay c\u00e1c m\u00e1y v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay cho c\u00e1c panel \u0111i\u1ec1u khi\u1ec3n v\u00e0 m\u1ea1ch in<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n li\u00ean t\u1ee5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n PID, FUZY<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n li\u00ean t\u1ee5c nhi\u1ec7t \u0111\u1ed9 \u00e1p su\u1ea5t l\u01b0u l\u01b0\u1ee3ng\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 ch\u1ea5p h\u00e0nh, \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n bi\u1ebfn t\u1ea7n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 ch\u1ea5p h\u00e0nh, \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i \u0111\u1ea7u v\u00e0o th\u00eam kh\u00e2u c\u1ea3m bi\u1ebfn t\u01b0\u01a1ng t\u1ef1 (analog), chi\u1ebft \u00e1p\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i \u0111\u1ea7u ra c\u00f3 c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ebfn t\u1ea7n, \u0111\u1ed9ng c\u01a1 Servo, \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u00eam nh\u1eefng kh\u00e2u bi\u1ebfn \u0111\u1ed5i A\/D, D\/A\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc v\u00e0 logic<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n t\u1ed5ng th\u1ec3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u00e9p n\u1ed1i m\u00e1y t\u00ednh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u00e9p n\u1ed1i m\u1ea1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh v\u00e0 b\u00e1o \u0111\u1ed9ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n t\u1ed5ng th\u1ec3 qu\u00e1 tr\u00ecnh- c\u00f3 ngh\u0129a l\u00e0 \u0111i\u1ec1u khi\u1ec3n m\u1ed9t qu\u00e1 tr\u00ecnh trong m\u1ed1i li\u00ean h\u1ec7 v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh kh\u00e1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00edn hi\u1ec7u v\u00e0o v\u00e0 ra c\u00f3 th\u00eam nh\u1eefng th\u00f4ng tin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng c\u1ee7a PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 trong l\u0129nh v\u1ef1c sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng n\u00e2ng v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n \u0111\u00f3ng g\u00f3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c robot l\u1eafp r\u00e1p s\u1ea3n ph\u1ea9m .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n b\u01a1m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n x\u1eed l\u00fd ho\u00e1 h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t gi\u1ea5y .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t thu\u1ef7 tinh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ea3n xu\u1ea5t xi m\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n ch\u1ebf t\u1ea1o linh ki\u1ec7n b\u00e1n d\u1eabn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p tivi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng \u0111\u00e8n giao th\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u1ea3n l\u00fd t\u1ef1 \u0111\u1ed9ng trong b\u00e3i \u0111\u1eadu xe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n may c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n thang m\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u00f4t\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ea3n xu\u1ea5t vi m\u1ea1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: T\u00ecm hi\u1ec3u c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: Li\u1ec7t k\u00ea \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u1ed5ng v\u00e0o\/ra, c\u00e1c c\u1ed5ng d\u1ef1 tr\u1eef, c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng, ch\u1ecdn PLC c\u00f3 s\u1ed1 \u0111\u1ea7u v\u00e0o\/ra l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: Ph\u00e2n c\u1ed5ng v\u00e0o\/ra cho PLC theo nguy\u00ean t\u1eafc sau \u0111\u00e2y \u0111\u1ec3 d\u1ec5 d\u00e0ng theo d\u00f5i ki\u1ec3m tra ph\u00e1t hi\u1ec7n l\u1ed7i, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n c\u1ed5ng v\u00e0o ra theo ch\u1ee9c n\u0103ng y\u00eau c\u1ea7u<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n c\u1ed5ng v\u00e0o ra c\u00f3 d\u1ee5ng \u00fd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 4: D\u1ef1ng l\u01b0u \u0111\u1ed3 cho ch\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 5: D\u1ecbch l\u01b0u \u0111\u1ed3 sang gi\u1ea3n \u0111\u1ed3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 6: L\u1eadp tr\u00ecnh gi\u1ea3n \u0111\u1ed3 thang v\u00e0o PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 7: Ch\u1ea1y m\u00f4 ph\u1ecfng \u0111\u1ec3 ki\u1ec3m tra ch\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea3i t\u1ea1o ra t\u1eadp t\u00edn hi\u1ec7u th\u1eed t\u01b0\u01a1ng t\u1ef1 th\u1ef1c t\u1ebf \u0111\u01b0a v\u00e0o \u0111\u1ea7u v\u00e0o PLC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xem k\u1ebft qu\u1ea3 \u0111\u1ea7u ra tr\u00ean PLC v\u00e0 ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng. So s\u00e1nh v\u1edbi l\u00fd thuy\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ch\u01b0\u01a1ng tr\u00ecnh sai th\u00ec ta s\u1eeda ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 quay l\u1ea1i b\u01b0\u1edbc 7 v\u00e0 n\u1ebfu ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00fang b\u1ea1n chuy\u1ec3n sang b\u01b0\u1edbc 8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 8: K\u1ebft n\u1ed1i PLC v\u1edbi thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 9: Ki\u1ec3m tra ch\u1eafc ch\u1eafn ph\u1ea7n gh\u00e9p n\u1ed1i theo \u0111\u00fang s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 10: Ch\u1ea1y h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 11: B\u00e0n giao v\u00e0 l\u01b0u ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mong r\u1eb1ng, nh\u1eefng th\u00f4ng tin tr\u00ean \u0111\u00e2y v\u1ec1 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PLC s\u1ebd gi\u00fap \u00edch b\u1ea1n. N\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o c\u1ea7n gi\u1ea3i \u0111\u00e1p, qu\u00fd b\u1ea1n \u0111\u1ecdc h\u00e3y comment ph\u00eda d\u01b0\u1edbi, Vietlearn.org s\u1ebd gi\u1ea3i \u0111\u00e1p nhanh ch\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn PLC l\u00e0 m\u1ed9t module c\u00f4ng ngh\u1ec7 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a b\u1ed9 l\u1eadp tr\u00ecnh PLC \u0111\u00f3 ch\u00ednh l\u00e0 d\u1ec5 d\u00e0ng thay \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh theo \u00fd mu\u1ed1n, th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1],"tags":[],"class_list":["post-3798","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3798"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3798\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}