当前位置：首页>课件>PLC实训教师试讲课件分享-基于PROFINET IO通信实现S7-1200PLC与G120变频器的调速控制实训

PLC实训教师试讲课件分享-基于PROFINET IO通信实现S7-1200PLC与G120变频器的调速控制实训

  • 2026-04-06 23:14:39
PLC实训教师试讲课件分享-基于PROFINET IO通信实现S7-1200PLC与G120变频器的调速控制实训

通过网盘分享的文件：讲试PPT-基于PROFINET通信的S7-1200与G120变频器调速控制.pptx

链接: https://pan.baidu.com/s/1QqIMONsXuR97zgvy7IeQhA?pwd=2026

提取码: 2026 

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  1. CONNECT:[ UseTime:0.000590s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001437s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004694s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000809s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001569s ]
  6. SELECT * FROM `set` [ RunTime:0.003282s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001768s ]
  8. SELECT * FROM `article` WHERE `id` = 490669 LIMIT 1 [ RunTime:0.015896s ]
  9. UPDATE `article` SET `lasttime` = 1775497235 WHERE `id` = 490669 [ RunTime:0.022031s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000611s ]
  11. SELECT * FROM `article` WHERE `id` < 490669 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002195s ]
  12. SELECT * FROM `article` WHERE `id` > 490669 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002512s ]
  13. SELECT * FROM `article` WHERE `id` < 490669 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.015461s ]
  14. SELECT * FROM `article` WHERE `id` < 490669 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.023776s ]
  15. SELECT * FROM `article` WHERE `id` < 490669 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002070s ]
0.198043s