{"id":9013,"date":"2026-02-06T16:43:06","date_gmt":"2026-02-06T09:43:06","guid":{"rendered":"https:\/\/vtiedu.click\/?p=9013"},"modified":"2026-02-06T16:43:06","modified_gmt":"2026-02-06T09:43:06","slug":"lap-trinh-plc","status":"publish","type":"post","link":"https:\/\/vtiedu.click\/index.php\/lap-trinh-plc\/","title":{"rendered":"L\u1eadp tr\u00ecnh PLC l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn h\u1ecdc PLC cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i con ng\u01b0\u1eddi. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm hi\u1ec3u v\u1ec1 l\u0129nh v\u1ef1c n\u00e0y, ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng nghe \u0111\u1ebfn kh\u00e1i ni\u1ec7m l\u1eadp tr\u00ecnh PLC. B\u00e0i vi\u1ebft n\u00e0y, VTI Academy s\u1ebd gi\u00fap b\u1ea1n n\u1eafm r\u00f5 l\u1eadp tr\u00ecnh PLC l\u00e0 g\u00ec, gi\u1edbi thi\u1ec7u c\u00e1c ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh PLC ph\u1ed5 bi\u1ebfn v\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft \u0111\u1ec3 h\u1ecdc l\u1eadp tr\u00ecnh PLC c\u01a1 b\u1ea3n d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. C\u00f9ng t\u00ecm hi\u1ec3u ngay nh\u00e9!<\/p>\n

L\u1eadp tr\u00ecnh PLC l\u00e0 g\u00ec?<\/h2>\n

L\u1eadp tr\u00ecnh PLC l\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o ra c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n b\u1ed9 x\u1eed l\u00fd logic l\u1eadp tr\u00ecnh. PLC ho\u1ea1t \u0111\u1ed9ng nh\u01b0 “b\u1ed9 n\u00e3o” c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng, PLC \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u1ef1ng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t th\u01b0\u1eddng th\u1ea5y \u1edf c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t.<\/p>\n

\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n l\u1eadp tr\u00ecnh PLC l\u00e0 g\u00ec, h\u00e3y h\u00ecnh dung quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a n\u00f3. PLC nh\u1eadn d\u1eef li\u1ec7u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o (input) nh\u01b0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n, n\u00fat nh\u1ea5n ho\u1eb7c m\u00e1y \u0111o \u00e1p su\u1ea5t. Sau \u0111\u00f3, d\u1ef1a tr\u00ean logic \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh, PLC x\u1eed l\u00fd th\u00f4ng tin v\u00e0 g\u1eedi l\u1ec7nh \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u ra (output) nh\u01b0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, van kh\u00ed n\u00e9n, \u0111\u00e8n b\u00e1o ho\u1eb7c m\u00e1y b\u01a1m. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra theo chu k\u1ef3 qu\u00e9t (scan cycle) r\u1ea5t nhanh, th\u01b0\u1eddng ch\u1ec9 trong v\u00e0i mili gi\u00e2y, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng k\u1ecbp th\u1eddi v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n

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L\u1ecbch s\u1eed c\u1ee7a PLC b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1960, khi c\u00e1c k\u1ef9 s\u01b0 t\u1ea1i General Motors (M\u1ef9) ph\u00e1t tri\u1ec3n n\u00f3 \u0111\u1ec3 thay th\u1ebf h\u1ec7 th\u1ed1ng r\u01a1 le c\u01a1 h\u1ecdc ph\u1ee9c t\u1ea1p v\u00e0 d\u1ec5 h\u1ecfng. Ng\u00e0y nay, l\u1eadp tr\u00ecnh PLC \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh nh\u01b0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4, th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u1eadm ch\u00ed l\u00e0 h\u1ec7 th\u1ed1ng t\u00f2a nh\u00e0 th\u00f4ng minh. V\u00ed d\u1ee5, trong m\u1ed9t d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p, PLC c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ki\u1ec3m so\u00e1t vi\u1ec7c di chuy\u1ec3n s\u1ea3n ph\u1ea9m, ph\u00e1t hi\u1ec7n l\u1ed7i qua c\u1ea3m bi\u1ebfn quang h\u1ecdc, v\u00e0 d\u1eebng m\u00e1y kh\u1ea9n c\u1ea5p n\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng, gi\u00fap t\u0103ng n\u0103ng su\u1ea5t v\u00e0 an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

M\u1ed9t \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a l\u1eadp tr\u00ecnh PLC l\u00e0 t\u00ednh linh ho\u1ea1t. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ch\u1ec9nh s\u1eeda ch\u01b0\u01a1ng tr\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i ph\u1ea7n c\u1ee9ng, kh\u00e1c h\u1eb3n v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed c\u1ed1 \u0111\u1ecbnh. Ngo\u00e0i ra, n\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh theo ti\u00eau chu\u1ea9n IEC 61131-3, nh\u01b0 Ladder Diagram (gi\u1ed1ng s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n), Function Block Diagram (d\u1ef1a tr\u00ean kh\u1ed1i ch\u1ee9c n\u0103ng), hay Structured Text (gi\u1ed1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cao c\u1ea5p). Nh\u1edd \u0111\u00f3, ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh PLC kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n \u0111i\u1ec1u khi\u1ec3n m\u00e1y m\u00f3c m\u00e0 c\u00f2n m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng v\u00e0o IoT (Internet of Things) v\u00e0 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a th\u00f4ng minh.<\/p>\n

Ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh PLC ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/h2>\n

\u0110\u1ec3 th\u1ef1c h\u00e0nh l\u1eadp tr\u00ecnh PLC, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh PLC chuy\u00ean d\u1ee5ng t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u. M\u1ed7i ph\u1ea7n m\u1ec1m \u0111\u1ec1u c\u00f3 giao di\u1ec7n th\u00e2n thi\u1ec7n, h\u1ed7 tr\u1ee3 m\u00f4 ph\u1ecfng v\u00e0 debug l\u1ed7i, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng ki\u1ec3m tra ch\u01b0\u01a1ng tr\u00ecnh tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n

TIA Portal (Siemens)<\/h3>\n

\u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m to\u00e0n di\u1ec7n nh\u1ea5t t\u1eeb h\u00e3ng Siemens, h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh cho c\u00e1c d\u00f2ng PLC nh\u01b0 S7-1200, S7-1500 v\u00e0 S7-300. \u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt l\u00e0 giao di\u1ec7n hi\u1ec7n \u0111\u1ea1i, t\u00edch h\u1ee3p s\u1eb5n c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng, l\u1eadp tr\u00ecnh HMI (Human Machine Interface) v\u00e0 k\u1ebft n\u1ed1i SCADA (Supervisory Control and Data Acquisition). B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef Ladder, SCL ho\u1eb7c GRAPH \u0111\u1ec3 t\u1ea1o ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p. Tuy nhi\u00ean, ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u00f2i h\u1ecfi m\u00e1y t\u00ednh c\u1ea5u h\u00ecnh cao v\u00e0 c\u00f3 chi ph\u00ed b\u1ea3n quy\u1ec1n kh\u00e1 \u0111\u1eaft. Ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n l\u1edbn trong ng\u00e0nh s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng.<\/p>\n

GX Works3 (Mitsubishi)<\/h3>\n

D\u00e0nh cho PLC Mitsubishi nh\u01b0 FX5U, Q-series v\u00e0 iQ-R, ph\u1ea7n m\u1ec1m n\u00e0y n\u1ed5i ti\u1ebfng v\u1edbi s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 t\u1ed1c \u0111\u1ed9 nhanh. N\u00f3 h\u1ed7 tr\u1ee3 t\u1ed1t c\u00e1c ng\u00f4n ng\u1eef nh\u01b0 Ladder v\u00e0 Structured Text, k\u00e8m theo th\u01b0 vi\u1ec7n ch\u1ee9c n\u0103ng s\u1eb5n c\u00f3 cho \u0111i\u1ec1u khi\u1ec3n servo ho\u1eb7c m\u1ea1ng c\u00f4ng nghi\u1ec7p. \u01afu \u0111i\u1ec3m l\u00e0 d\u1ec5 c\u00e0i \u0111\u1eb7t, c\u00f3 phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed cho h\u1ecdc t\u1eadp, v\u00e0 t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn phong ph\u00fa b\u1eb1ng ti\u1ebfng Anh l\u1eabn ti\u1ebfng Vi\u1ec7t. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 \u00edt t\u00edch h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a h\u00e3ng kh\u00e1c so v\u1edbi TIA Portal.<\/p>\n

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Studio 5000 (Rockwell Automation\/Allen-Bradley)<\/h3>\n

Ph\u1ea7n m\u1ec1m n\u00e0y d\u00e0nh cho PLC ControlLogix v\u00e0 CompactLogix, th\u01b0\u1eddng d\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn t\u1ea1i M\u1ef9 v\u00e0 ch\u00e2u \u00c2u. N\u00f3 m\u1ea1nh v\u1ec1 t\u00edch h\u1ee3p m\u1ea1ng EtherNet\/IP, h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh tag-based (d\u1ef1a tr\u00ean th\u1ebb) v\u00e0 c\u00f3 c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng 3D. N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c trong ng\u00e0nh d\u1ea7u kh\u00ed ho\u1eb7c th\u1ef1c ph\u1ea9m, \u0111\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. Tuy nhi\u00ean, giao di\u1ec7n c\u00f3 th\u1ec3 h\u01a1i ph\u1ee9c t\u1ea1p cho ng\u01b0\u1eddi m\u1edbi, v\u00e0 chi ph\u00ed cao.<\/p>\n

ISPSoft (Delta)<\/h3>\n

Ph\u1ed5 bi\u1ebfn \u1edf Vi\u1ec7t Nam nh\u1edd gi\u00e1 th\u00e0nh ph\u1ea3i ch\u0103ng, ph\u1ea7n m\u1ec1m n\u00e0y h\u1ed7 tr\u1ee3 PLC Delta DVP, AH v\u00e0 AS series. N\u00f3 d\u1ec5 s\u1eed d\u1ee5ng v\u1edbi giao di\u1ec7n tr\u1ef1c quan, h\u1ed7 tr\u1ee3 Ladder, FBD v\u00e0 ST, k\u00e8m theo ch\u1ee9c n\u0103ng m\u00f4 ph\u1ecfng analog. \u01afu \u0111i\u1ec3m l\u00e0 t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi thi\u1ebft b\u1ecb gi\u00e1 r\u1ebb, ph\u00f9 h\u1ee3p cho doanh nghi\u1ec7p nh\u1ecf. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i mi\u1ec5n ph\u00ed t\u1eeb website ch\u00ednh h\u00e3ng \u0111\u1ec3 th\u1ef1c h\u00e0nh l\u1eadp tr\u00ecnh PLC c\u01a1 b\u1ea3n.<\/p>\n

Codesys<\/h3>\n

\u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf, h\u1ed7 tr\u1ee3 nhi\u1ec1u h\u00e3ng PLC kh\u00e1c nhau nh\u01b0 Schneider, Omron ho\u1eb7c Beckhoff. N\u00f3 linh ho\u1ea1t, mi\u1ec5n ph\u00ed cho phi\u00ean b\u1ea3n c\u01a1 b\u1ea3n, v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n IEC. Codesys l\u00fd t\u01b0\u1edfng cho ng\u01b0\u1eddi m\u1edbi v\u00ec c\u00f3 c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 l\u1edbn, nh\u01b0ng \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c v\u1ec1 c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng.<\/p>\n

Khi ch\u1ecdn ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh PLC, h\u00e3y c\u00e2n nh\u1eafc ng\u00e2n s\u00e1ch, lo\u1ea1i PLC b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng v\u00e0 m\u1ee5c \u0111\u00edch h\u1ecdc t\u1eadp. H\u1ea7u h\u1ebft \u0111\u1ec1u c\u00f3 phi\u00ean b\u1ea3n trial ho\u1eb7c mi\u1ec5n ph\u00ed, gi\u00fap b\u1ea1n th\u1eed nghi\u1ec7m m\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m.<\/p>\n

H\u01b0\u1edbng d\u1eabn h\u1ecdc l\u1eadp tr\u00ecnh PLC cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/h2>\n

H\u1ecdc l\u1eadp tr\u00ecnh PLC c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi c\u1ea3m th\u1ea5y b\u1ee1 ng\u1ee1, nh\u01b0ng v\u1edbi l\u1ed9 tr\u00ecnh r\u00f5 r\u00e0ng v\u00e0 th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean, b\u1ea1n s\u1ebd nhanh ch\u00f3ng n\u1eafm v\u1eefng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft, t\u1eeb ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh PLC \u0111\u1ebfn c\u00e1c b\u01b0\u1edbc n\u00e2ng cao, gi\u00fap b\u1ea1n ti\u1ebfn b\u1ed9 m\u1ed9t c\u00e1ch logic v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

X\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c<\/h3>\n

Tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o ph\u1ea7n m\u1ec1m, h\u00e3y d\u00e0nh th\u1eddi gian h\u1ecdc ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh PLC. B\u1eaft \u0111\u1ea7u v\u1edbi \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p: hi\u1ec3u v\u1ec1 r\u01a1 le, contactor, timer v\u00e0 c\u1ea3m bi\u1ebfn. Ti\u1ebfp theo, n\u1eafm logic Boolean (c\u00e1c ph\u00e9p to\u00e1n AND, OR, NOT, XOR) \u2013 \u0111\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ecdi ch\u01b0\u01a1ng tr\u00ecnh PLC. Cu\u1ed1i c\u00f9ng, t\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a PLC: chu k\u1ef3 qu\u00e9t (scan time), b\u1ed9 nh\u1edb (bit, word), v\u00e0 c\u00e1ch x\u1eed l\u00fd input\/output.<\/p>\n

Ch\u1ecdn ph\u1ea7n m\u1ec1m v\u00e0 thi\u1ebft b\u1ecb<\/h3>\n

\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi, h\u00e3y ch\u1ecdn ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh PLC d\u1ec5 d\u00e0ng nh\u01b0 ISPSoft (Delta) ho\u1eb7c GX Works (Mitsubishi), v\u00ec ch\u00fang c\u00f3 giao di\u1ec7n \u0111\u01a1n gi\u1ea3n v\u00e0 t\u00e0i li\u1ec7u ti\u1ebfng Vi\u1ec7t d\u1ed3i d\u00e0o. T\u1ea3i ph\u1ea7n m\u1ec1m t\u1eeb website ch\u00ednh h\u00e3ng v\u00e0 c\u00e0i \u0111\u1eb7t tr\u00ean m\u00e1y t\u00ednh Windows. N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n, mua b\u1ed9 kit PLC c\u01a1 b\u1ea3n (kho\u1ea3ng 5-10 tri\u1ec7u VND) \u0111\u1ec3 th\u1ef1c h\u00e0nh th\u1ef1c t\u1ebf, tr\u00e1nh ch\u1ec9 h\u1ecdc l\u00fd thuy\u1ebft.<\/p>\n

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H\u1ecdc ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/h3>\n

B\u1eaft \u0111\u1ea7u v\u1edbi Ladder Diagram \u2013 ng\u00f4n ng\u1eef tr\u1ef1c quan nh\u1ea5t, gi\u1ed1ng nh\u01b0 v\u1ebd s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n. H\u1ecdc c\u00e1ch t\u1ea1o rung (latch\/unlatch), timer (b\u1ed9 \u0111\u1ebfm th\u1eddi gian) v\u00e0 counter (b\u1ed9 \u0111\u1ebfm). Sau 1-2 tu\u1ea7n, chuy\u1ec3n sang Function Block Diagram \u0111\u1ec3 x\u1eed l\u00fd ch\u1ee9c n\u0103ng ph\u1ee9c t\u1ea1p h\u01a1n, ho\u1eb7c Structured Text n\u1ebfu b\u1ea1n quen v\u1edbi l\u1eadp tr\u00ecnh C\/Python. Th\u1ef1c h\u00e0nh qua c\u00e1c b\u00e0i t\u1eadp \u0111\u01a1n gi\u1ea3n nh\u01b0: b\u1eadt\/t\u1eaft \u0111\u00e8n b\u1eb1ng n\u00fat nh\u1ea5n, t\u1ea1o m\u1ea1ch ch\u1ea1y tu\u1ea7n t\u1ef1 cho b\u0103ng chuy\u1ec1n.<\/p>\n

Th\u1ef1c h\u00e0nh v\u00e0 debug l\u1ed7i<\/h3>\n

S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 m\u00f4 ph\u1ecfng trong ph\u1ea7n m\u1ec1m \u0111\u1ec3 test ch\u01b0\u01a1ng tr\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n PLC th\u1eadt. V\u00ed d\u1ee5: Vi\u1ebft ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 quay thu\u1eadn\/ngh\u1ecbch d\u1ef1a tr\u00ean c\u1ea3m bi\u1ebfn. L\u01b0u \u00fd debug l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u01b0 qu\u00ean reset timer ho\u1eb7c xung \u0111\u1ed9t input. H\u00e3y ghi ch\u00e9p l\u1ed7i v\u00e0 c\u00e1ch s\u1eeda \u0111\u1ec3 ti\u1ebfn b\u1ed9 nhanh. Th\u1eddi gian: 2-4 tu\u1ea7n, th\u1ef1c h\u00e0nh 2 gi\u1edd\/ng\u00e0y.<\/p>\n

\u00c1p d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 h\u1ecdc n\u00e2ng cao<\/h3>\n

Khi quen l\u1eadp tr\u00ecnh PLC c\u01a1 b\u1ea3n, h\u00e3y th\u1eed k\u1ebft n\u1ed1i PLC v\u1edbi HMI (m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng) \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u, ho\u1eb7c h\u1ecdc analog I\/O \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 l\u00f2 nung. Ti\u1ebfp theo, kh\u00e1m ph\u00e1 m\u1ea1ng c\u00f4ng nghi\u1ec7p nh\u01b0 Modbus TCP, Profibus \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb. Tham gia di\u1ec5n \u0111\u00e0n nh\u01b0 PLC Vietnam Forum ho\u1eb7c kh\u00f3a h\u1ecdc tr\u1ef1c tuy\u1ebfn tr\u00ean Udemy \u0111\u1ec3 trao \u0111\u1ed5i kinh nghi\u1ec7m. Tr\u00e1nh l\u1ed7i ph\u1ed5 bi\u1ebfn: kh\u00f4ng backup ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c b\u1ecf qua an to\u00e0n \u0111i\u1ec7n.<\/p>\n

M\u1eb9o h\u1ecdc hi\u1ec7u qu\u1ea3<\/h3>\n