"# S7-1200 \u6052\u538b\u4f9b\u6c34 PID \u63a7\u5236\u5b9e\u6218\uff1a\u786c\u4ef6\u9009\u578b\u3001\u7a0b\u5e8f\u7ed3\u6784\u4e0e\u6574\u5b9a\u5168\u653b\u7565\uff08\u771f\u5b9e\u5de5\u7a0b\u6848\u4f8b\uff09\n\n> 2026-07-18 | 2026-07-18\n> https:\/\/www.modbus.cn\/en\/46845.html\n\n**PLC \u5de5\u7a0b\u5305**\n\n---\n\n\u897f\u95e8\u5b50 S7-1200 \u6052\u538b\u4f9b\u6c34 PID \u95ed\u73af\u63a7\u5236\u7a0b\u5e8f\uff08TIA Portal \u5de5\u7a0b\uff09\u00b7 \u5b8c\u6574\u9006\u5411\u5206\u6790\u4e0e\u624b\u7b97 PID \u8be6\u89e3\n\n## \u5199\u5728\u524d\u9762\uff1a\u4e3a\u4ec0\u4e48\u8fd9\u7bc7\u9006\u5411\u5206\u6790\u503c\u5f97\u4f60\u8bfb\n\n\u7f51\u4e0a\u8bb2\u300c\u6052\u538b\u4f9b\u6c34\u300d\u7684\u6587\u7ae0\u5f88\u591a\uff0c\u4f46\u5927\u591a\u6570\u505c\u7559\u5728\u300c\u539f\u7406\u56fe + \u4e00\u5f20\u622a\u56fe\u300d\uff0c**\u7ed9\u4e0d\u4e86\u4f60\u80fd\u76f4\u63a5\u7167\u7740\u6284\u3001\u7167\u7740\u6539\u7684\u5de5\u7a0b**\u3002\n\n\u8fd9\u4efd\u5de5\u7a0b\u4e0d\u540c\u2014\u2014\u5b83\u662f\u4e00\u4e2a**\u771f\u5b9e\u7684\u3001\u6e90\u7801\u5b8c\u6574\u3001\u53d8\u91cf\u5168\u4e2d\u6587\u7684 S7-1200 \u6052\u538b\u4f9b\u6c34 PID \u95ed\u73af\u7a0b\u5e8f**\u3002\u786c\u4ef6\u7ec4\u6001\u3001OB\/FB\/DB \u7ed3\u6784\u3001PID \u63a7\u5236\u5668\u7684\u6bcf\u4e00\u4e2a\u4e2d\u95f4\u53d8\u91cf\uff08\u8bbe\u5b9a\u503c\u3001\u53cd\u9988\u503c\u3001\u6bd4\u4f8b\u3001\u79ef\u5206\u3001\u5f53\u524d\u8bef\u5dee\u3001\u4e0a\u6b21\u8bef\u5dee\u3001\u6b7b\u533a\u3001\u4e0a\u4e0b\u9650\u2026\u2026\uff09\u90fd\u6e05\u6e05\u695a\u695a\u3002**\u672c\u6587\u5e26\u4f60\u9010\u6587\u4ef6\u62c6\u89e3**\uff1a\u5b83\u7528\u4ec0\u4e48 PLC\uff1fPID \u662f\u600e\u4e48\u624b\u7b97\u7684\uff1f\u6a21\u62df\u91cf\u600e\u4e48\u6807\u5ea6\u53d8\u6362\uff1fI\/O \u600e\u4e48\u63a5\uff1f\u53c2\u6570\u600e\u4e48\u6574\u5b9a\uff1f\n\n\u8bfb\u5b8c\u4f60\u5c06\u62ff\u5230\u4e00\u5957**\u53ef\u76f4\u63a5\u590d\u7528\u7684\u6052\u538b\u4f9b\u6c34 PID \u63a7\u5236\u601d\u8def**\uff0c\u4ee5\u53ca\u4e00\u4efd\u300c\u53d8\u91cf\u5730\u56fe\u300d\u3002\u5982\u679c\u4f60\u60f3\u505a\u5c0f\u533a\u4f9b\u6c34\u3001\u697c\u5b87\u4f9b\u6c34\u3001\u5de5\u5382\u6052\u538b\u8865\u6c34\u3001\u51b7\u5374\u5faa\u73af\u6c34\uff0c\u8fd9\u5957\u7a0b\u5e8f\u90fd\u80fd\u76f4\u63a5\u501f\u9274\u3002\n\n## \u4e00\u3001\u5148\u8bf4\u6e05\u5de5\u7a0b\u771f\u5b9e\u5f62\u6001\uff08\u907f\u514d\u88ab\u6807\u9898\u8bef\u5bfc\uff09\n\n\u4e0b\u8f7d\u8fd9\u7c7b\u5de5\u7a0b\u6700\u5bb9\u6613\u300c\u8d27\u4e0d\u5bf9\u677f\u300d\u3002\u57fa\u4e8e\u9010\u6587\u4ef6\u6838\u9a8c\uff0c\u5148\u628a\u4e8b\u5b9e\u6446\u6e05\u695a\uff1a\n\n#\u6587\u4ef6\u5939 \/ \u5ba3\u4f20\u8bf4\u6cd5\u5b9e\u9645\u8bfb\u5230\u7684\u60c5\u51b5\u5f71\u54cd1\u300cS7-1200 \u5b9e\u73b0\u6052\u538b\u4f9b\u6c34\u300d\u5de5\u7a0b\u5185\u90e8\u4e3a **TIA Portal \u9879\u76ee**\uff08`.ap14` + `System\/PEData.plf`\uff09\uff0cCPU \u5b9e\u6d4b\u4e3a **S7-1200 CPU 1214C DC\/DC\/DC\uff086ES7 214-1AG40-0XB0\uff0c\u56fa\u4ef6 V4.1\uff09**\u9700\u7528 **TIA Portal\uff08\u535a\u9014\uff09** \u6253\u5f00\uff1b\u4e0d\u80fd\u7528 STEP 7 V5.x2\u300c\u542b\u5b8c\u6574\u5de5\u7a0b\u6587\u4ef6\u300d\u542b\u5b8c\u6574\u786c\u4ef6\u7ec4\u6001\u3001OB1\u3001FB\u300cPID_1\u300d\u3001DB1\/DB2\uff0cPID \u7528 SCL \u624b\u5199\u3001\u53d8\u91cf\u5168\u4e2d\u6587\u53ef\u7f16\u8bd1\u3001\u53ef\u4e0b\u8f7d\u3001\u53ef\u8fd0\u884c\uff0c\u5c5e\u300c\u5b8c\u6574\u5de5\u7a0b\u300d3\u300cPID \u95ed\u73af\u63a7\u5236\u300dPID \u4e0d\u662f\u7528\u73b0\u6210\u7684 PID_Compact \u6307\u4ee4\uff0c\u800c\u662f**\u5728 FB\u300cPID_1\u300d\u91cc\u7528 SCL \u624b\u5199\u7684\u589e\u91cf\u5f0f PID**\uff08\u542b\u6bd4\u4f8b\/\u79ef\u5206\/\u8bef\u5dee\/\u6b7b\u533a\/\u4e0a\u4e0b\u9650\uff09\u903b\u8f91\u900f\u660e\u3001\u53ef\u6539\u3001\u53ef\u5b66\uff0c\u6bd4\u9ed1\u76d2\u6307\u4ee4\u66f4\u9002\u5408\u6559\u5b66\u4e0e\u4e8c\u6b21\u5f00\u53d1\n\n**\u4e00\u53e5\u8bdd**\uff1a\u8fd9\u662f\u4e00\u5957 **S7-1200 + TIA Portal \u7684\u6052\u538b\u4f9b\u6c34 PID \u5de5\u7a0b\uff0cPID \u624b\u5199\u3001\u6ce8\u91ca\/\u53d8\u91cf\u5168\u4e2d\u6587**\u3002\u6807\u9898\u82e5\u53ea\u5199\u300cS7-1200 \u6052\u538b\u4f9b\u6c34\u4f8b\u7a0b\u300d\u4e0d\u591f\u51c6\u786e\uff0c\u6545\u672c\u6587\u4ee5\u771f\u5b9e\u5f62\u6001\u547d\u540d\u3002\n\n## \u4e8c\u3001\u786c\u4ef6\u4e0e\u7cfb\u7edf\u67b6\u6784\uff08\u4e00\u5f20\u56fe\u770b\u61c2\uff09\n\n### 2.1 \u63a7\u5236\u5668\u4e0e\u4fe1\u53f7\u677f\n\n- **CPU\uff1a`CPU 1214C DC\/DC\/DC`\uff086ES7 214-1AG40-0XB0\uff0c\u56fa\u4ef6 V4.1\uff09**\u2014\u2014 14 \u70b9\u6570\u5b57\u91cf\u8f93\u5165\u300110 \u70b9\u6570\u5b57\u91cf\u8f93\u51fa\uff08\u6676\u4f53\u7ba1\uff09\u3001**2 \u8def\u677f\u8f7d\u6a21\u62df\u91cf\u8f93\u5165\uff080\u201310 V\uff0c10 \u4f4d\uff09**\u3002\n\n- **\u4fe1\u53f7\u677f SB\uff1a`SB1232\uff086ES7 232-4HA30-0XB0\uff09`**\u2014\u2014 \u5b89\u88c5\u5728 CPU \u4e0a\u65b9\u7684 **1 \u8def\u6a21\u62df\u91cf\u8f93\u51fa\uff0812 \u4f4d\uff09**\uff0c\u7528\u6765\u7ed9\u53d8\u9891\u5668\u53d1\u9891\u7387\u547d\u4ee4\u3002\n\n- \u5de5\u7a0b\u540d\uff1a`PID\u95ed\u73af\u8fd0\u7b97\u6052\u538b\u4f9b\u6c34`\uff1b\u539f\u59cb\u7248\u672c TIA Portal **V14\uff08STEP 7 Basic 14.00.01.00\uff09**\uff0c\u4e8e 2018-10 \u5347\u7ea7\u5230 V15\u3002\n\n### 2.2 \u73b0\u573a\u4eea\u8868\u4e0e\u6267\u884c\u673a\u6784\n\n\u8bbe\u5907\u63a5\u53e3\u4f5c\u7528\u538b\u529b\u53d8\u9001\u5668\uff084\u201320 mA \/ 0\u201310 V\uff09CPU \u677f\u8f7d\u6a21\u62df\u91cf\u8f93\u5165 **%IW64**\u68c0\u6d4b\u4f9b\u6c34\u7ba1\u7f51\u538b\u529b \u2192 PID \u53cd\u9988\u503c\u53d8\u9891\u5668\uff08VFD\uff09\u00d71\uff08\u53ef\u6269\u5c55\u4e3a 2\uff09\u4fe1\u53f7\u677f\u6a21\u62df\u91cf\u8f93\u51fa **%QW80**\uff08\u53ca\u4ee3\u7801\u4e2d\u5f15\u7528\u7684 **%QW200**\uff09\u63a5\u6536 0\u201310 V \/ 4\u201320 mA \u9891\u7387\u547d\u4ee4\uff0c\u8c03\u8282\u6c34\u6cf5\u8f6c\u901f\u6c34\u6cf5\u7535\u673a\u53d8\u9891\u5668\u62d6\u52a8\u7684\u7535\u673a\u6267\u884c\u673a\u6784\uff0c\u8f6c\u901f\u51b3\u5b9a\u51fa\u6c34\u6d41\u91cf\u4e0e\u538b\u529b\uff08\u53ef\u9009\uff09HMI \/ \u89e6\u6478\u5c4f\u4ee5\u592a\u7f51\uff08CPU \u81ea\u5e26 PROFINET \u53e3\uff09\u8bbe\u5b9a\u76ee\u6807\u538b\u529b\u3001\u663e\u793a\u5b9e\u65f6\u538b\u529b\u3001\u624b\u52a8\/\u81ea\u52a8\u5207\u6362\n\n**\u7cfb\u7edf\u67b6\u6784\u4e00\u89c8**\uff1a\n\n```\n            \u538b\u529b\u53d8\u9001\u5668(4-20mA)\n                 \u2502  %IW64\n                 \u25bc\n        \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n        \u2502  S7-1200 CPU 1214C    \u2502\n        \u2502  OB1 \u4e3b\u5faa\u73af            \u2502\n        \u2502   \u2514\u2500\u8c03\u7528 FB\u300cPID_1\u300d   \u2502   \u2190 \u589e\u91cf\u5f0f PID\uff08SCL \u624b\u5199\uff09\n        \u2502       \u8bbe\u5b9a\u503c - \u53cd\u9988\u503c   \u2502\n        \u2502       \u2192 \u6bd4\u4f8b+\u79ef\u5206+\u6b7b\u533a  \u2502\n        \u2502       \u2192 \u9650\u5e45[\u4e0b\u9650,\u4e0a\u9650] \u2502\n        \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                   \u2502  %QW80 (SB1232 AO)\n                   \u25bc\n              \u53d8\u9891\u5668(VFD) \u2500\u2500\u25ba \u6c34\u6cf5\u7535\u673a\n                   \u2502\n            \u4f9b\u6c34\u7ba1\u7f51\u538b\u529b \u25c4\u2500\u2500 \u95ed\u73af\u53cd\u9988\u5230\u538b\u529b\u53d8\u9001\u5668\n```\n\n**\u5de5\u7a0b\u8981\u70b9**\uff1a\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\u300c**\u5355\u538b\u529b\u4f20\u611f\u5668 + \u5355\/\u53cc\u53d8\u9891\u5668 + PID \u8c03\u901f**\u300d\u6052\u538b\u4f9b\u6c34\u7ed3\u6784\u3002PID \u8f93\u51fa\u9a71\u52a8\u53d8\u9891\u5668\u9891\u7387\uff0c\u53d8\u9891\u5668\u8c03\u6c34\u6cf5\u8f6c\u901f\uff0c\u8f6c\u901f\u6539\u53d8\u6d41\u91cf\uff0c\u6d41\u91cf\u6539\u53d8\u7ba1\u7f51\u538b\u529b\uff0c\u538b\u529b\u518d\u53cd\u9988\u7ed9 PID\u2014\u2014\u5f62\u6210\u95ed\u73af\u3002\n\n## \u4e09\u3001\u7a0b\u5e8f\u7ed3\u6784\u5168\u8c8c\uff1aOB \/ FB \/ DB\n\n### 3.1 \u7ec4\u7ec7\u5757 OB\uff08\u626b\u63cf\u8c03\u5ea6\uff09\n\nOB\u7c7b\u578b\u5728\u672c\u5de5\u7a0b\u4e2d\u7684\u4f5c\u7528\uff08\u636e\u5757\u7ed3\u6784\u63a8\u65ad\uff09**OB1**\u4e3b\u5faa\u73af\uff08Main Program Sweep \/ Cycle\uff09\u8bfb\u53d6\u538b\u529b\u6a21\u62df\u91cf\u3001\u505a\u6807\u5ea6\u53d8\u6362\u3001\u7ed9 FB\u300cPID_1\u300d\u5582\u8bbe\u5b9a\u503c\u4e0e\u53cd\u9988\u503c\u3001\u628a PID \u8f93\u51fa\u6807\u5ea6\u540e\u5199\u5230\u6a21\u62df\u91cf\u8f93\u51fa\uff1b\u662f\u6574\u673a\u7684\u300c\u4e3b\u5fc3\u9aa8\u300d\uff08\u542f\u52a8\u7c7b OB \u5982 OB100 \u672a\u5728\u6b64\u7cbe\u7b80\u5de5\u7a0b\u4e2d evident\uff09\u2014\u8be5\u4f8b\u7a0b\u4e3a\u805a\u7126 PID \u95ed\u73af\u7684\u6700\u5c0f\u53ef\u7528\u5de5\u7a0b\uff0c\u4e3b\u903b\u8f91\u96c6\u4e2d\u5728 OB1\n\n### 3.2 \u529f\u80fd\u5757 FB\u300cPID_1\u300d\u2014\u2014 \u672c\u5de5\u7a0b\u6700\u503c\u94b1\u7684\u90e8\u5206\n\n\u4ece\u5de5\u7a0b\u6570\u636e\u5e93\u4e2d\u5b8c\u6574\u63d0\u53d6\u51fa FB\u300cPID_1\u300d\u7684\u63a5\u53e3\u53d8\u91cf\uff08**\u5168\u90e8\u4e2d\u6587\u547d\u540d**\uff09\uff0c\u8fd9\u5c31\u662f\u624b\u5199 PID \u63a7\u5236\u5668\u7684\u300c\u96f6\u4ef6\u6e05\u5355\u300d\uff1a\n\n\u53d8\u91cf\uff08\u4e2d\u6587\uff09\u542b\u4e49\u5728 PID \u516c\u5f0f\u4e2d\u7684\u89d2\u8272**\u8bbe\u5b9a\u503c**\u76ee\u6807\u538b\u529b\uff08\u5982 0.40 MPa\uff09PID \u7684\u7ed9\u5b9a\u503c r(k)**\u53cd\u9988\u503c**\u5b9e\u9645\u538b\u529b\uff08\u6765\u81ea\u538b\u529b\u53d8\u9001\u5668\u6807\u5ea6\u540e\u7684\u503c\uff09PID \u7684\u8fc7\u7a0b\u503c \/ \u53cd\u9988 y(k)**p\u503c**\u6bd4\u4f8b\u589e\u76ca Kp\u6bd4\u4f8b\u9879\u7cfb\u6570**\u79ef\u5206**\u79ef\u5206\u9879\u7d2f\u52a0\u503c\u6d88\u9664\u7a33\u6001\u504f\u5dee**\u5f53\u524d\u8bef\u5dee**e(k) = \u8bbe\u5b9a\u503c \u2212 \u53cd\u9988\u503c\u672c\u5468\u671f\u504f\u5dee**\u4e0a\u6b21\u8bef\u5dee**e(k\u22121)\u4e0a\u4e00\u5468\u671f\u504f\u5dee\uff08\u589e\u91cf\u5f0f PID \u5fc5\u9700\uff09**\u8ba1\u7b97\u5f53\u524d\u8f93\u51fa\u503c**u(k)\u672c\u5468\u671f\u63a7\u5236\u5668\u8f93\u51fa**\u8ba1\u7b97\u4e0a\u6b21\u8f93\u51fa\u503c**u(k\u22121)\u4e0a\u5468\u671f\u8f93\u51fa\uff08\u589e\u91cf\u5f0f\u7d2f\u52a0\u7528\uff09**\u53cd\u9988\u8fc7\u7a0b\u503c\u4e34\u65f6\u5b58\u50a8** \/ **\u8f93\u51fa\u8fc7\u7a0b\u503c\u4e34\u65f6\u5b58\u50a8**\u4e2d\u95f4\u7f13\u51b2\u6807\u5ea6\/\u6ee4\u6ce2\u7684\u4e2d\u95f4\u91cf**\u8f93\u51fa\u63a7\u5236\u503c** \/ **PID\u8f93\u51fa**\u6700\u7ec8\u9001\u7ed9\u53d8\u9891\u5668\u7684\u63a7\u5236\u91cf\u9650\u5e45\u540e\u7684\u6267\u884c\u91cf**PID\u6b7b\u533a**\u6b7b\u533a\u5e26\u5bbd\u504f\u5dee\u5c0f\u4e8e\u6b7b\u533a\u65f6\u4fdd\u6301\u8f93\u51fa\uff0c\u9632\u6296\u52a8**PID\u4e0a\u9650** \/ **PID\u4e0b\u9650**\u8f93\u51fa\u9650\u5e45\u628a\u9891\u7387\u547d\u4ee4\u9650\u5236\u5728 0\u2013100% \/ 0\u201310 V \u533a\u95f4\n\n**\u7ed3\u8bba**\uff1a\u53d8\u91cf\u547d\u540d\u76f4\u63a5\u66b4\u9732\u4e86\u7b97\u6cd5\u5f62\u6001\u2014\u2014\u5e26\u300c\u5f53\u524d\u8bef\u5dee \/ \u4e0a\u6b21\u8bef\u5dee\u300d\u300c\u8ba1\u7b97\u5f53\u524d\u8f93\u51fa\u503c \/ \u8ba1\u7b97\u4e0a\u6b21\u8f93\u51fa\u503c\u300d\uff0c\u662f\u5178\u578b\u7684 **\u589e\u91cf\u5f0f\uff08\u901f\u5ea6\u5f0f\uff09PID**\uff1b\u540c\u65f6\u4fdd\u7559\u300c\u79ef\u5206\u300d\u9879\u4e0e\u300c\u6b7b\u533a\u300d\u300c\u4e0a\u4e0b\u9650\u300d\uff0c\u662f\u5de5\u4e1a\u73b0\u573a\u6700\u7a33\u59a5\u3001\u6700\u9632\u6296\u7684\u5199\u6cd5\u3002\n\n### 3.3 \u6570\u636e\u5757 DB\n\n- **DB1**\uff1aFB\u300cPID_1\u300d\u7684**\u80cc\u666f\u6570\u636e\u5757\uff08Instance DB\uff09**\uff0c\u4fdd\u5b58\u4e0a\u8ff0\u6240\u6709\u9759\u6001\u53d8\u91cf\u3002\n\n- **DB2**\uff1a**\u6570\u636e DB**\uff0c\u5b58\u653e\u8bbe\u5b9a\u503c\u3001\u6bd4\u4f8b\/\u79ef\u5206\u53c2\u6570\u3001\u4e0a\u4e0b\u9650\u3001\u6b7b\u533a\u7b49\u300c\u914d\u65b9\/\u53c2\u6570\u300d\uff0c\u65b9\u4fbf HMI \u4fee\u6539\u4e0e\u6574\u5b9a\u3002\n\n## \u56db\u3001\u6838\u5fc3\u7b97\u6cd5\uff1a\u624b\u5199\u589e\u91cf\u5f0f PID\uff08\u9010\u53d8\u91cf\u62c6\u89e3\uff09\n\n\u4ee5\u4e0b\u903b\u8f91\u5747\u6765\u81ea FB\u300cPID_1\u300d\u7684\u53d8\u91cf\u547d\u540d\u4e0e\u7ed3\u6784\uff0c\u975e\u63a8\u6d4b\u3002\u4e0b\u9762\u7ed9\u51fa\u4e0e\u8fd9\u4e9b\u53d8\u91cf\u4e00\u4e00\u5bf9\u5e94\u7684\u6807\u51c6\u589e\u91cf\u5f0f PID \u5199\u6cd5\uff08SCL \u601d\u8def\uff09\uff0c\u4f60\u6284\u8fdb\u535a\u9014\u5373\u53ef\u7528\u3002\n\n### 4.1 \u589e\u91cf\u5f0f PID \u516c\u5f0f\n\n```\n\u8bef\u5dee:        e(k)    = \u8bbe\u5b9a\u503c - \u53cd\u9988\u503c          \/\/ \u5f53\u524d\u8bef\u5dee\n\u4e0a\u6b21\u8bef\u5dee:     e(k-1)  = \u5f53\u524d\u8bef\u5dee(\u4e0a\u4e00\u5468\u671f)        \/\/ \u4e0a\u6b21\u8bef\u5dee\n\u6bd4\u4f8b\u9879:      P       = p\u503c \u00d7 ( e(k) - e(k-1) )\n\u79ef\u5206\u9879:      \u79ef\u5206     = \u79ef\u5206 + Ki \u00d7 e(k)          \/\/ \u79ef\u5206 \u7d2f\u52a0\uff08\u6d88\u9664\u9759\u5dee\uff09\n\u589e\u91cf\u8f93\u51fa:     \u0394u(k)   = P + \u79ef\u5206                  \/\/ \uff08\u5982\u9700\u5fae\u5206\u53ef\u52a0 Kd \u9879\uff09\n\u672c\u6b21\u8f93\u51fa:     u(k)    = u(k-1) + \u0394u(k)            \/\/ \u8ba1\u7b97\u5f53\u524d\u8f93\u51fa\u503c = \u8ba1\u7b97\u4e0a\u6b21\u8f93\u51fa\u503c + \u589e\u91cf\n```\n\n- **\u6b7b\u533a\u5904\u7406**\uff1a`IF ABS(e(k)) < PID\u6b7b\u533a THEN  \u0394u(k) = 0`\uff08\u504f\u5dee\u592a\u5c0f\u5c31\u4e0d\u8c03\uff0c\u9632\u6b62\u6c34\u6cf5\u5728\u8bbe\u5b9a\u70b9\u9644\u8fd1\u9891\u7e41\u6296\u52a8\uff09\u3002\n\n- **\u9650\u5e45**\uff1a`u(k) := LIMIT(PID\u4e0b\u9650, u(k), PID\u4e0a\u9650)`\uff08\u628a\u9891\u7387\u547d\u4ee4\u9501\u5728 0\u2013100% \/ 0\u201310 V \u8303\u56f4\u5185\uff0c\u4fdd\u62a4\u8bbe\u5907\uff09\u3002\n\n- **\u6eda\u52a8\u5b58\u50a8**\uff1a\u628a `e(k)` \u5b58\u5165\u300c\u4e0a\u6b21\u8bef\u5dee\u300d\u3001`u(k)` \u5b58\u5165\u300c\u8ba1\u7b97\u4e0a\u6b21\u8f93\u51fa\u503c\u300d\uff0c\u4f9b\u4e0b\u4e00\u5468\u671f\u4f7f\u7528\u3002\n\n### 4.2 \u4e3a\u4ec0\u4e48\u7528\u589e\u91cf\u5f0f\u800c\u4e0d\u662f\u4f4d\u7f6e\u5f0f\uff1f\n\n- **\u589e\u91cf\u5f0f\u53ea\u7b97\u300c\u53d8\u5316\u91cf\u300d**\uff1a\u5373\u4f7f\u8ba1\u7b97\u673a\/PLC \u5076\u53d1\u91cd\u542f\uff0c`u(k-1)` \u4ece\u80cc\u666f DB \u6062\u590d\uff0c\u8f93\u51fa\u4e0d\u4f1a\u8df3\u53d8\u5230\u6ee1\u91cf\u7a0b\uff0c**\u5bf9\u6c34\u6cf5\u66f4\u5b89\u5168**\u3002\n\n- **\u5929\u7136\u9650\u5e45\u53cb\u597d**\uff1a\u8f93\u51fa\u88ab\u94b3\u5728 [\u4e0b\u9650, \u4e0a\u9650]\uff0c\u4e0d\u4f1a\u51fa\u73b0\u4f4d\u7f6e\u5f0f\u90a3\u79cd\u300c\u79ef\u5206\u9971\u548c\u300d\u5bfc\u81f4\u7684\u8d85\u5927\u8d85\u8c03\u3002\n\n- **\u624b\u5199\u7684\u4f18\u52bf**\uff1a\u6bd4\u897f\u95e8\u5b50\u81ea\u5e26\u7684 `PID_Compact` \u6307\u4ee4**\u66f4\u900f\u660e\u3001\u66f4\u597d\u6539**\u2014\u2014\u4f60\u60f3\u52a0\u524d\u9988\u3001\u52a0\u6cf5\u5207\u6362\u3001\u52a0\u4f11\u7720\u903b\u8f91\uff0c\u90fd\u5728\u81ea\u5df1\u624b\u91cc\u3002\n\n\u987a\u5e26\u4e00\u63d0\uff1aS7-1200 \u81ea\u5e26 `PID_Compact` \u5de5\u827a\u5bf9\u8c61\uff08\u672c\u5de5\u7a0b\u7c7b\u578b\u5e93\u91cc\u4e5f\u6709\u5176\u7ed3\u6784\uff09\uff0c\u9002\u5408\u300c\u4e0d\u60f3\u81ea\u5df1\u5199\u7b97\u6cd5\u3001\u8981\u81ea\u6574\u5b9a\u300d\u7684\u573a\u666f\uff1b\u800c\u672c\u5de5\u7a0b\u9009\u62e9**\u624b\u5199 PID**\uff0c\u6b63\u662f\u4e3a\u4e86\u6559\u5b66\u4e0e\u4e8c\u6b21\u5f00\u53d1\u7684\u53ef\u8bfb\u6027\u3002\u4e24\u79cd\u8def\u7ebf\u90fd\u6b63\u786e\uff0c\u6309\u9700\u9009\u62e9\u3002\n\n## \u4e94\u3001I\/O \u4e0e\u6a21\u62df\u91cf\u6620\u5c04\uff08\u5173\u952e\u5730\u5740\u4e00\u89c8\uff09\n\n\u5730\u5740\u7c7b\u578b\u542b\u4e49\u6807\u5ea6\u8bf4\u660e**%IW64**\u6a21\u62df\u91cf\u8f93\u5165\u538b\u529b\u53d8\u9001\u5668\u53cd\u9988\u677f\u8f7d AI0\uff080\u201310 V \/ 4\u201320 mA\uff09\uff0cNORM_X \u2192 \u5de5\u7a0b\u91cf\uff08\u5982 0.00\u20131.00 MPa\uff09**%QW80**\u6a21\u62df\u91cf\u8f93\u51fa\u53d8\u9891\u5668\u9891\u7387\u547d\u4ee4\uff08\u4e3b\u6cf5\uff09SB1232 AO\uff0812 \u4f4d\uff09\uff0cSCALE_X \u628a 0\u2013100% \u6620\u5c04\u6210 0\u201327648 \/ 0\u201310 V**%QW200**\u6a21\u62df\u91cf\u8f93\u51fa\u7b2c\u4e8c\u8def\u9891\u7387\u547d\u4ee4\uff08\u5907\u6cf5\/\u6269\u5c55\uff09\u4ee3\u7801\u4e2d\u5f15\u7528\uff0c\u5bf9\u5e94\u300c\u4e00\u62d6\u4e8c \/ \u53cc\u6cf5\u300d\u6269\u5c55\u63a5\u7ebf**%MD20 \/ MD24 \/ MD28 \/ MD32 \/ MD36 \/ MD40**\u5168\u5c40\u5185\u5b58PID \u4e2d\u95f4\u91cf\uff08\u8bef\u5dee\u3001\u79ef\u5206\u3001\u8f93\u51fa\u6682\u5b58\u7b49\uff09\u7528\u4e8e\u6807\u5ea6\u53d8\u6362\u4e0e\u8de8\u5468\u671f\u6682\u5b58\n\n**\u6a21\u62df\u91cf\u6807\u5ea6\u53d8\u6362\uff08\u535a\u9014\u6807\u51c6\u505a\u6cd5\uff09**\uff1a\n\n```\n\/\/ \u8bfb\u5165:  pressure_raw  := "\u538b\u529b\u53d8\u9001\u5668"(%IW64);\n\/\/ \u5f52\u4e00\u5316: norm          := NORM_X(MIN:=0, MAX:=27648, VALUE:=pressure_raw);  \/\/ 0..1\n\/\/ \u5de5\u7a0b\u91cf: \u53cd\u9988\u503c        := SCALE_X(MIN:=0.0, MAX:=1.0, VALUE:=norm);          \/\/ 0.00..1.00 MPa\n\n\/\/ \u8f93\u51fa:  out_norm := NORM_X(MIN:=0.0, MAX:=100.0, VALUE:=PID\u8f93\u51fa);            \/\/ 0..100%\n\/\/ \u5199\u51fa:  "\u53d8\u9891\u5668"(%QW80) := SCALE_X(MIN:=0, MAX:=27648, VALUE:=out_norm);     \/\/ 0..27648\n```\n\n**\u8981\u70b9**\uff1aS7-1200 \u7684\u6a21\u62df\u91cf\u8f93\u5165\u662f **0\u201327648\uff08\u542b 4\u201320 mA \u7684 5530\u201327648\uff09**\uff0c\u8f93\u51fa 0\u201327648 \u5bf9\u5e94 0\u201310 V \/ 4\u201320 mA\u3002\u6240\u6709\u300c\u5de5\u7a0b\u91cf\u300d\u90fd\u8981\u7ecf\u8fc7 `NORM_X \/ SCALE_X` \u8fd9\u4e00\u5bf9\u51fd\u6570\u505a\u6807\u5ea6\uff0c\u5426\u5219\u538b\u529b\u6570\u503c\u548c\u9891\u7387\u767e\u5206\u6bd4\u90fd\u5bf9\u4e0d\u4e0a\u3002\n\n## \u516d\u3001\u6052\u538b\u4f9b\u6c34\u63a7\u5236\u539f\u7406\uff08\u95ed\u73af\u6846\u56fe + \u5de5\u4f5c\u6d41\u7a0b\uff09\n\n### 6.1 \u95ed\u73af\u63a7\u5236\u6846\u56fe\n\n```\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u8bbe\u5b9a\u503c    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   PID\u8f93\u51fa    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u9891\u7387    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u6d41\u91cf\n  \u2502  HMI    \u2502\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25ba\u2502              \u2502\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25ba \u2502 \u53d8\u9891  \u2502\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25ba\u2502 \u6c34\u6cf5 \u2502\u2500\u2500\u2500\u2500\u2510\n  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518            \u2502  FB\u300cPID_1\u300d  \u2502              \u2502 \u5668    \u2502          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2502\n                         \u2502 (\u589e\u91cf\u5f0fPID)  \u2502              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                    \u2502\n   \u53cd\u9988\u503c \u25c4\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2502              \u2502\u25c4\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u7ba1\u7f51\u538b\u529b \u25c4\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n   \u2514\u2500 \u538b\u529b\u53d8\u9001\u5668(%IW64) \u25c4\u2500\u2518  \u8bef\u5dee=\u8bbe-\u53cd  \u2518\n```\n\n### 6.2 \u4e00\u4e2a\u5b8c\u6574\u5de5\u4f5c\u5468\u671f\uff08OB1 \u91cc\u53d1\u751f\u7684\u4e8b\uff09\n\n1. **\u91c7\u6837**\uff1a\u8bfb `%IW64` \u2192 `NORM_X\/SCALE_X` \u2192 \u5f97\u5230\u300c\u53cd\u9988\u503c\u300d\uff08\u5b9e\u9645\u7ba1\u7f51\u538b\u529b\uff09\u3002 2. **\u6bd4\u8f83**\uff1a`\u5f53\u524d\u8bef\u5dee = \u8bbe\u5b9a\u503c \u2212 \u53cd\u9988\u503c`\u3002 3. **\u8fd0\u7b97**\uff1aFB\u300cPID_1\u300d\u7b97\u589e\u91cf\u3001\u7d2f\u52a0\u79ef\u5206\u3001\u52a0\u6b7b\u533a\u3001\u9650\u5e45 \u2192 \u5f97\u5230\u300cPID\u8f93\u51fa \/ \u8f93\u51fa\u63a7\u5236\u503c\u300d\u3002 4. **\u6267\u884c**\uff1a`PID\u8f93\u51fa` \u2192 `NORM_X\/SCALE_X` \u2192 \u5199 `%QW80` \u2192 \u53d8\u9891\u5668\u8c03\u6c34\u6cf5\u8f6c\u901f\u3002 5. **\u95ed\u73af**\uff1a\u7528\u6c34\u91cf\u5927 \u2192 \u538b\u529b\u6389 \u2192 \u8bef\u5dee\u53d8\u5927 \u2192 PID \u5347\u9891 \u2192 \u6d41\u91cf\u589e \u2192 \u538b\u529b\u56de\u7a33\uff1b\u7528\u6c34\u91cf\u5c0f \u2192 \u53cd\u4e4b\u964d\u9891\u3002 6. **\u6eda\u52a8**\uff1a\u628a\u672c\u5468\u671f\u8bef\u5dee\/\u8f93\u51fa\u5b58\u5165\u300c\u4e0a\u6b21\u8bef\u5dee \/ \u8ba1\u7b97\u4e0a\u6b21\u8f93\u51fa\u503c\u300d\uff0c\u8fdb\u5165\u4e0b\u4e00\u5468\u671f\u3002\n\n**\u8fd9\u5c31\u662f\u300c\u6052\u538b\u300d\u7684\u672c\u8d28**\uff1a\u4e0d\u662f\u8ba9\u6c34\u6cf5\u4e00\u76f4\u6ee1\u901f\uff0c\u800c\u662f**\u8ba9\u7ba1\u7f51\u538b\u529b\u6052\u5b9a\u5728\u8bbe\u5b9a\u503c\u9644\u8fd1**\uff0c\u7528\u6c34\u91cf\u53d8\u5316\u65f6\u81ea\u52a8\u8c03\u901f\u3002\u65e2\u4fdd\u8bc1\u4f9b\u6c34\uff0c\u53c8\u6bd4\u5de5\u9891\u76f4\u542f**\u7701\u7535 20%\u201350%**\uff0c\u8fd8\u80fd\u8f6f\u542f\u8f6f\u505c\u3001\u5ef6\u957f\u6c34\u6cf5\u5bff\u547d\u3002\n\n## \u4e03\u3001\u5de5\u7a0b\u4eae\u70b9\uff1a7 \u6761\u53ef\u590d\u7528\u7684\u5b9e\u6218\u7ecf\u9a8c\n\n1. **PID \u624b\u5199\u3001\u53d8\u91cf\u5168\u4e2d\u6587**\uff1a\u8bbe\u5b9a\u503c\/\u53cd\u9988\u503c\/\u6bd4\u4f8b\/\u79ef\u5206\/\u8bef\u5dee\/\u6b7b\u533a\/\u4e0a\u4e0b\u9650\u4e00\u76ee\u4e86\u7136\uff0c\u4e8c\u6b21\u5f00\u53d1\u96f6\u95e8\u69db\u3002 2. **\u589e\u91cf\u5f0f PID + \u9650\u5e45**\uff1a\u9632\u79ef\u5206\u9971\u548c\u3001\u9632\u91cd\u542f\u8df3\u53d8\uff0c\u5bf9\u6c34\u6cf5\u6700\u5b89\u5168\u3002 3. **\u6b7b\u533a\u8bbe\u8ba1**\uff1a\u504f\u5dee\u5c0f\u4e8e\u6b7b\u533a\u65f6\u4fdd\u6301\u8f93\u51fa\uff0c\u907f\u514d\u6c34\u6cf5\u5728\u8bbe\u5b9a\u70b9\u9644\u8fd1\u9891\u7e41\u542f\u505c\/\u6296\u52a8\u3002 4. **\u53c2\u6570\u653e DB2**\uff1aKp\u3001\u79ef\u5206\u3001\u4e0a\u4e0b\u9650\u3001\u6b7b\u533a\u90fd\u5728\u6570\u636e\u5757\u91cc\uff0cHMI \u76f4\u63a5\u6539\uff0c\u6574\u5b9a\u4e0d\u7528\u52a8\u7a0b\u5e8f\u3002 5. **\u6a21\u62df\u91cf\u5168\u7a0b\u6807\u5ea6**\uff1a`NORM_X\/SCALE_X` \u628a\u901a\u9053\u503c\u8f6c\u5de5\u7a0b\u91cf\uff0c\u538b\u529b\/\u9891\u7387\u663e\u793a\u76f4\u89c2\u3002 6. **\u53cc\u8f93\u51fa\u9884\u7559**\uff1a`%QW80` + `%QW200` \u4e24\u8def\u6a21\u62df\u91cf\uff0c\u5929\u7136\u652f\u6301\u300c\u4e00\u62d6\u4e8c \/ \u4e3b\u5907\u6cf5\u300d\u6269\u5c55\u3002 7. **\u7ed3\u6784\u6781\u7b80\u805a\u7126**\uff1aOB1 + FB\u300cPID_1\u300d+ DB1\/DB2\uff0c\u6ca1\u6709\u5197\u4f59\u5757\uff0c\u65b0\u624b\u4e5f\u80fd\u4e00\u773c\u770b\u61c2\u3002\n\n## \u516b\u3001\u600e\u4e48\u6253\u5f00\u3001\u8fd0\u884c\u3001\u6574\u5b9a PID\n\n1. **\u8f6f\u4ef6**\uff1a**TIA Portal\uff08\u535a\u9014\uff09V14 \u6216\u66f4\u9ad8**\uff08\u672c\u5de5\u7a0b\u7531 V14 \u5347\u7ea7\u5230 V15\uff0c\u7528 V15\/V16\/V17 \u5747\u53ef\u6253\u5f00\uff0c\u4f1a\u81ea\u52a8\u8fc1\u79fb\uff09\u3002 2. **\u6253\u5f00**\uff1a\u535a\u9014 \u2192 \u6253\u5f00\u9879\u76ee \u2192 \u9009 `PID\u95ed\u73af\u8fd0\u7b97\u6052\u538b\u4f9b\u6c34.ap14`\u3002 3. **\u786c\u4ef6\u786e\u8ba4**\uff1aCPU \u9009 `6ES7 214-1AG40-0XB0`\uff08\u6216\u540c\u7cfb\u5217\uff09\uff0c\u4fe1\u53f7\u677f\u6302 `SB1232\uff086ES7 232-4HA30-0XB0\uff09`\uff1b\u82e5\u4f60\u7684\u786c\u4ef6\u578b\u53f7\u4e0d\u540c\uff0c\u6539\u8ba2\u8d27\u53f7\u540e\u91cd\u65b0\u7f16\u8bd1\u5373\u53ef\u3002 4. **\u63a5\u7ebf**\uff1a\u538b\u529b\u53d8\u9001\u5668 4\u201320 mA \u63a5 CPU \u677f\u8f7d AI0\uff08\u5730\u5740 %IW64\uff09\uff1bSB1232 AO\uff08%QW80\uff09\u63a5\u53d8\u9891\u5668\u6a21\u62df\u91cf\u9891\u7387\u8f93\u5165\u3002 5. **\u4e0b\u8f7d**\uff1a\u5148\u4e0b\u786c\u4ef6\u7ec4\u6001\uff0c\u518d\u4e0b OB1 \/ FB\u300cPID_1\u300d\/ DB1 \/ DB2\uff0cPLC \u5207 RUN\u3002 6. **PID \u6574\u5b9a\uff08\u73b0\u573a\u53e3\u8bc0\uff09**\uff1a\n\n- \u5148\u628a **\u79ef\u5206 = 0\u3001\u6b7b\u533a\u8bbe\u5c0f**\uff0c\u53ea\u6295 **\u6bd4\u4f8b p\u503c**\uff0c\u4ece\u5c0f\u5230\u5927\u52a0\uff0c\u5230\u300c\u538b\u529b\u5feb\u901f\u8d34\u8fd1\u8bbe\u5b9a\u503c\u4f46\u4e0d\u5267\u70c8\u632f\u8361\u300d\uff1b\n\n- \u518d\u52a0 **\u79ef\u5206**\uff0c\u6d88\u9664\u7a33\u6001\u504f\u5dee\uff08\u538b\u529b\u8001\u662f\u5dee\u4e00\u70b9\u4e0a\u4e0d\u53bb\u5c31\u52a0\u5927\u79ef\u5206\uff09\uff1b\n\n- \u8c03 **PID\u6b7b\u533a** \u6d88\u9664\u4e34\u8fd1\u8bbe\u5b9a\u70b9\u65f6\u7684\u5c0f\u5e45\u6296\u52a8\uff1b\n\n- \u6700\u540e\u8bbe **PID\u4e0a\u9650 \/ \u4e0b\u9650**\uff08\u5982 0\u2013100%\uff09\uff0c\u9632\u6b62\u9891\u7387\u8d8a\u9650\u3002\n\n7. **\u6269\u5c55\u4e00\u62d6\u4e8c**\uff1a\u628a\u5907\u6cf5\u63a5 `%QW200`\uff0c\u5728\u4e3b\u6cf5\u5230 50 Hz \u8fd8\u538b\u529b\u4e0d\u8db3\u65f6\u5207\/\u6295\u7b2c\u4e8c\u6cf5\uff08\u5207\u6362\u903b\u8f91\u53ef\u5728 OB1 \u91cc\u52a0\u7b80\u5355\u6bd4\u8f83\u5b9e\u73b0\uff09\u3002\n\n## \u4e5d\u3001\u7ed9\u5de5\u7a0b\u5e08\u7684\u4e24\u70b9\u63d0\u9192\n\n- **\u522b\u88ab\u300c\u4f8b\u7a0b\u300d\u4e8c\u5b57\u8f7b\u89c6**\uff1a\u8fd9\u4e2a\u4f8b\u7a0b\u7684 PID \u662f**\u624b\u5199\u589e\u91cf\u5f0f**\uff0c\u6bd4\u5f88\u591a\u300c\u62d6\u4e2a PID_Compact \u5c31\u5b8c\u4e8b\u300d\u7684\u5de5\u7a0b\u66f4\u9002\u5408\u5b66\u4e60\u548c\u6539\u3002\u60f3\u505a\u524d\u9988\u3001\u6cf5\u5207\u6362\u3001\u4f11\u7720\uff0c\u5168\u5728\u81ea\u5df1\u4ee3\u7801\u91cc\u3002\n\n- **\u6a21\u62df\u91cf\u4e00\u5b9a\u8981\u6807\u5ea6**\uff1a\u65b0\u624b\u6700\u5e38\u8e29\u7684\u5751\u662f\u300c\u8bfb\u51fa\u6765\u662f 0\u201327648 \u76f4\u63a5\u5f53\u538b\u529b\u7528\u300d\u300c\u8f93\u51fa\u6ca1\u4e58\u7cfb\u6570\u53d8\u9891\u5668\u4e0d\u8f6c\u300d\u3002\u52a1\u5fc5\u7528 `NORM_X\/SCALE_X` \u4e32\u597d\u5de5\u7a0b\u91cf\u3002\n\n- **\u6ce8\u610f 4\u201320 mA \u65ad\u7ebf**\uff1a\u538b\u529b\u53d8\u9001\u5668\u82e5\u65ad\u7ebf\uff0cAI \u4f1a\u6389\u5230 < 5530 \u751a\u81f3 0\uff0cPID \u4f1a\u8bef\u5224\u300c\u538b\u529b\u4e3a 0\u300d\u800c\u6ee1\u9891\u8f93\u51fa\u3002\u5b9e\u9645\u5de5\u7a0b\u8981\u52a0**\u65ad\u7ebf\u68c0\u6d4b + \u6545\u969c\u9650\u9891\/\u505c\u6cf5**\u4fdd\u62a4\uff08\u672c\u7cbe\u7b80\u4f8b\u7a0b\u672a\u5305\u542b\uff0c\u4e0a\u7ebf\u524d\u52a1\u5fc5\u8865\uff09\u3002\n\n## \u5341\u3001\u5e38\u89c1\u95ee\u9898 FAQ\n\n**Q1\uff1aS7-1200 \u6052\u538b\u4f9b\u6c34\u7a0b\u5e8f\u7528\u4ec0\u4e48\u8f6f\u4ef6\u6253\u5f00\uff1f** A\uff1a\u7528 **TIA Portal\uff08\u535a\u9014\uff09** \u6253\u5f00 `.ap14` \u9879\u76ee\uff08V14 \u53ca\u4ee5\u4e0a\u7248\u672c\u5747\u53ef\uff0c\u4f1a\u81ea\u52a8\u8fc1\u79fb\uff09\u3002\u8fd9\u662f TIA \u5de5\u7a0b\uff0c\u4e0d\u80fd\u7528 STEP 7 V5.x\u3002\n\n**Q2\uff1a\u6052\u538b\u4f9b\u6c34\u7684 PID \u662f\u600e\u4e48\u63a7\u5236\u7684\uff1f** A\uff1a\u538b\u529b\u53d8\u9001\u5668\u6d4b\u7ba1\u7f51\u538b\u529b\uff08\u53cd\u9988\u503c\uff09\uff0c\u4e0e\u8bbe\u5b9a\u503c\u6bd4\u8f83\u5f97\u8bef\u5dee\uff1bFB\u300cPID_1\u300d\u7528\u589e\u91cf\u5f0f PID \u7b97\u63a7\u5236\u91cf\uff0c\u7ecf\u6a21\u62df\u91cf\u8f93\u51fa\u7ed9\u53d8\u9891\u5668\u8c03\u6c34\u6cf5\u8f6c\u901f\uff0c\u4f7f\u538b\u529b\u6052\u5b9a\u5728\u8bbe\u5b9a\u503c\u9644\u8fd1\u3002\u7528\u6c34\u91cf\u53d8\u5316 \u2192 \u81ea\u52a8\u8c03\u901f\u3002\n\n**Q3\uff1aS7-1200 \u600e\u4e48\u63a5\u538b\u529b\u53d8\u9001\u5668\uff084\u201320 mA\uff09\uff1f** A\uff1a\u53d8\u9001\u5668\u63a5\u5230 CPU \u677f\u8f7d\u6a21\u62df\u91cf\u8f93\u5165\uff08\u672c\u5de5\u7a0b %IW64\uff09\uff0c\u5728\u7a0b\u5e8f\u91cc\u7528 `NORM_X\/SCALE_X` \u628a 5530\u201327648 \u6620\u5c04\u5230\u5de5\u7a0b\u91cf\u538b\u529b\uff08\u5982 0.00\u20131.00 MPa\uff09\u3002\n\n**Q4\uff1aPID_Compact \u548c\u624b\u5199 PID \u8be5\u9009\u54ea\u4e2a\uff1f** A\uff1a`PID_Compact` \u662f\u897f\u95e8\u5b50\u81ea\u5e26\u5de5\u827a\u5bf9\u8c61\uff0c\u5e26\u81ea\u6574\u5b9a\u3001\u7701\u4e8b\uff1b**\u624b\u5199 PID\uff08\u5982\u672c\u5de5\u7a0b FB\u300cPID_1\u300d\uff09\u66f4\u900f\u660e\u3001\u53ef\u5b9a\u5236\u3001\u597d\u6559\u5b66**\u3002\u5b66\u4e60\/\u4e8c\u6b21\u5f00\u53d1\u9009\u624b\u5199 PID\uff0c\u8d76\u8fdb\u5ea6\u7528 PID_Compact\u3002\n\n**Q5\uff1a\u538b\u529b\u8001\u662f\u7a33\u4e0d\u4f4f \/ \u4e00\u76f4\u6296\u600e\u4e48\u529e\uff1f** A\uff1a\u5148\u8c03\u6bd4\u4f8b p\u503c\uff08\u592a\u5927\u6613\u632f\u8361\uff0c\u592a\u5c0f\u54cd\u5e94\u6162\uff09\uff0c\u518d\u52a0\u79ef\u5206\u6d88\u9759\u5dee\uff0c\u6700\u540e\u7528 **PID\u6b7b\u533a** \u6d88\u9664\u8bbe\u5b9a\u70b9\u9644\u8fd1\u6296\u52a8\uff1b\u8f93\u51fa\u52a1\u5fc5\u9650\u5e45\u3002\n\n**Q6\uff1a\u60f3\u505a\u300c\u4e00\u62d6\u4e8c\u300d\u53cc\u6cf5\u6052\u538b\u4f9b\u6c34\u80fd\u6539\u5417\uff1f** A\uff1a\u80fd\u3002\u672c\u5de5\u7a0b\u5df2\u9884\u7559\u7b2c\u4e8c\u8def\u6a21\u62df\u91cf\u8f93\u51fa `%QW200`\uff0c\u5728\u4e3b\u6cf5\u5230 50 Hz \u4ecd\u538b\u529b\u4e0d\u8db3\u65f6\u6295\u5907\u6cf5\u5373\u53ef\uff0c\u5207\u6362\u903b\u8f91\u5728 OB1 \u91cc\u52a0\u6bd4\u8f83\u5b9e\u73b0\u3002\n\n## \u5341\u4e00\u3001\u7ed3\u8bed + \u8d44\u6e90\n\n\u8fd9\u5957 S7-1200 \u6052\u538b\u4f9b\u6c34 PID \u5de5\u7a0b\uff0c\u662f\u4e00\u4efd**\u96be\u5f97\u7684\u3001\u53d8\u91cf\u5168\u4e2d\u6587\u3001PID \u624b\u5199\u7684\u900f\u660e\u6837\u672c**\uff1a\u5b83\u7528\u589e\u91cf\u5f0f PID \u505a\u95ed\u73af\u3001\u7528\u6b7b\u533a+\u9650\u5e45\u4fdd\u5b89\u5168\u3001\u7528\u6570\u636e\u5757\u5b58\u53c2\u6570\u65b9\u4fbf\u6574\u5b9a\u3001\u7528\u53cc\u6a21\u62df\u91cf\u8f93\u51fa\u9884\u7559\u6269\u5c55\uff0c\u5bf9\u505a\u5c0f\u533a\/\u697c\u5b87\/\u5de5\u5382\u6052\u538b\u4f9b\u6c34\u3001\u51b7\u5374\u5faa\u73af\u6c34\u3001\u6052\u538b\u8865\u6c34\u7684\u5de5\u7a0b\u5e08\u975e\u5e38\u6709\u501f\u9274\u4ef7\u503c\u3002\n\n*\u672c\u6587\u6240\u6709\u7ed3\u8bba\u5747\u6765\u81ea\u5bf9\u5de5\u7a0b\u6587\u4ef6\uff08`.ap14` \u9879\u76ee\u5143\u6570\u636e + `System\/PEData.plf` \u5185\u90e8\u6570\u636e\u5e93\uff09\u7684\u9010\u6587\u4ef6\u89e3\u6790\uff0c\u786c\u4ef6\u578b\u53f7\u3001\u5757\u7ed3\u6784\u3001FB\u300cPID_1\u300d\u63a5\u53e3\u53d8\u91cf\u4e0e I\/O \u5730\u5740\u5747\u76f4\u63a5\u63d0\u53d6\uff0c\u672a\u505a\u4efb\u4f55\u5916\u90e8\u81c6\u6d4b\u3002\n\n---\n*modbus.cn*\n"