"# 4\u5bf8\u89e6\u6478\u5c4fLu\u811a\u672c\u5b9e\u73b0\u6570\u503c\u5224\u65ad\u8f93\u51fa\u63a7\u5236Modbus\u7ee7\u7535\u5668\n\n> 2023-08-24 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/24521.html\n\n**\u672a\u5206\u7c7b**\n\n---\n\n\u4ee3\u7801\u8bf4\u660e\uff1a\r\n\r\n\u5f53\u60a8\u8fd0\u884c\u8fd9\u6bb5Lua\u4ee3\u7801\uff0c\u5b83\u5c06\u5728\u6bcf\u96941\u79d2\u949f\u7684\u5b9a\u65f6\u56de\u8c03\u51fd\u6570\u4e2d\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a\r\n\r\n1. \u91cd\u65b0\u8bfb\u53d6\u5404\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u8fd9\u4e9b\u5bc4\u5b58\u5668\u5b58\u50a8\u4e86\u4e0d\u540c\u4f20\u611f\u5668\u7684\u6570\u636e\uff0c\u5982\u6e7f\u5ea6\u3001\u6e29\u5ea6\u548c\u70df\u96fe\u611f\u5e94\u5668\u7b49\u3002\r\n\r\n2. \u83b7\u53d6\u6587\u672c\u63a7\u4ef6\u7684\u6570\u503c\uff0c\u8fd9\u4e9b\u6570\u503c\u662f\u60a8\u5728\u754c\u9762\u4e0a\u8bbe\u7f6e\u7684\u9608\u503c\uff0c\u7528\u4e8e\u5224\u65ad\u662f\u5426\u6ee1\u8db3\u6761\u4ef6\u4ee5\u63a7\u5236\u7ebf\u5708\u7684\u72b6\u6001\u3002\r\n\r\n3. \u6839\u636e\u6761\u4ef6\u5224\u65ad\uff0c\u5c06\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u8bbe\u7f6e\u7ebf\u5708\u7684\u72b6\u6001\uff0c\u4ee5\u63a7\u5236\u76f8\u5e94\u7684\u8bbe\u5907\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6e7f\u5ea6\u503c\u9ad8\u4e8e\u9608\u503c\uff0c\u4ee3\u7801\u4f1a\u6253\u5f00\u76f8\u5e94\u7684\u7ebf\u5708\uff0c\u8868\u793a\u8bbe\u5907\u6b63\u5728\u8fd0\u884c\uff0c\u5e76\u5c06\u6587\u672c\u63a7\u4ef6\u663e\u793a\u4e3a\"\u8fd0\u884c\u4e2d\"\u3002\u5982\u679c\u6e7f\u5ea6\u503c\u4f4e\u4e8e\u9608\u503c\u51cf3\uff0c\u4ee3\u7801\u4f1a\u5173\u95ed\u7ebf\u5708\uff0c\u8868\u793a\u8bbe\u5907\u5df2\u505c\u6b62\uff0c\u5e76\u5c06\u6587\u672c\u63a7\u4ef6\u663e\u793a\u4e3a\"\u5df2\u505c\u6b62\"\u3002\r\n\r\n4. \u901a\u8fc7\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u4f20\u611f\u5668\u7684\u6570\u636e\u72b6\u6001\uff0c\u5b9e\u65f6\u63a7\u5236\u8bbe\u5907\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u540c\u65f6\u901a\u8fc7\u6587\u672c\u63a7\u4ef6\u5728\u754c\u9762\u4e0a\u6e05\u6670\u5730\u663e\u793a\u8bbe\u5907\u7684\u72b6\u6001\u4fe1\u606f\u3002\u8fd9\u4f7f\u60a8\u80fd\u591f\u5b9e\u73b0\u8bbe\u5907\u7684\u81ea\u52a8\u63a7\u5236\u548c\u72b6\u6001\u663e\u793a\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u9700\u6c42\u3002\r\n\r\n \r\n\r\n\n```\nfunction on_systick()\r\n    -- \u91cd\u65b0\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u503c\r\n    local reg1 = get_variant(\"1#\u6e7f\u5ea6\")\r\n    local reg2 = get_variant(\"6#\u6e7f\u5ea6\")\r\n    local reg3 = get_variant(\"8#\u6e7f\u5ea6\")\r\n    local reg4 = get_variant(\"\u673a\u7bb1\u6e29\u5ea6\")\r\n    local reg5 = get_variant(\"\u70df\u96fe\u611f\u5e94\u5668\")\r\n\r\n    -- \u83b7\u53d6\u6587\u672c\u63a7\u4ef6\u7684\u6570\u503c\r\n    local txtValue1 = get_value(10, 1)\r\n    local txtValue2 = get_value(10, 2)\r\n    local txtValue3 = get_value(10, 3)\r\n    local txtValue4 = get_value(14, 2)\r\n    local txtValue5 = get_value(14, 4)\r\n\r\n    -- \u6839\u636e\u6761\u4ef6\u8bbe\u7f6e\u7ebf\u5708\u7684\u503c\u5e76\u66f4\u65b0\u6587\u672c\u63a7\u4ef6\r\n    if reg1 >= txtValue1 then\r\n        mb_write_coil_05(16, 0, 1)  -- \u6253\u5f00\u7ebf\u57081\r\n        print(\"\u6253\u5f00\u7ebf\u57081\")\r\n        set_text(10, 16, \"\u8fd0\u884c\u4e2d\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u8fd0\u884c\u4e2d\"\r\n    elseif reg1 <= (txtValue1-3) then\r\n        mb_write_coil_05(16, 0, 0)  -- \u5173\u95ed\u7ebf\u57081\r\n        print(\"\u5173\u95ed\u7ebf\u57081\")\r\n        set_text(10, 16, \"\u5df2\u505c\u6b62\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u5df2\u505c\u6b62\"\r\n    end\r\n\r\n    if reg2 >= txtValue2 then\r\n        mb_write_coil_05(16, 1, 1)  -- \u6253\u5f00\u7ebf\u57082\r\n        print(\"\u6253\u5f00\u7ebf\u57082\")\r\n        set_text(10, 17, \"\u8fd0\u884c\u4e2d\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u8fd0\u884c\u4e2d\"\r\n    elseif reg2 <= (txtValue2-3) then\r\n        mb_write_coil_05(16, 1, 0)  -- \u5173\u95ed\u7ebf\u57082\r\n        print(\"\u5173\u95ed\u7ebf\u57082\")\r\n        set_text(10, 17, \"\u5df2\u505c\u6b62\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u5df2\u505c\u6b62\"\r\n    end\r\n\r\n    if reg3 >= txtValue3 then\r\n        mb_write_coil_05(16, 2, 1)  -- \u6253\u5f00\u7ebf\u57083\r\n        print(\"\u6253\u5f00\u7ebf\u57083\")\r\n        set_text(10, 19, \"\u8fd0\u884c\u4e2d\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u8fd0\u884c\u4e2d\"\r\n    elseif reg3 <= (txtValue3-3) then\r\n        mb_write_coil_05(16, 2, 0)  -- \u5173\u95ed\u7ebf\u57083\r\n        print(\"\u5173\u95ed\u7ebf\u57083\")\r\n        set_text(10, 19, \"\u5df2\u505c\u6b62\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u5df2\u505c\u6b62\"\r\n    end\r\n\r\n    if reg4 >= txtValue4 then\r\n        mb_write_coil_05(16, 3, 1)  -- \u6253\u5f00\u7ebf\u57084\r\n        print(\"\u6253\u5f00\u7ebf\u57084\")\r\n        set_text(21, 1, \"\u8fd0\u884c\u4e2d\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u8fd0\u884c\u4e2d\"\r\n    elseif reg4 <= (txtValue4-3) then\r\n        mb_write_coil_05(16, 3, 0)  -- \u5173\u95ed\u7ebf\u57084\r\n        print(\"\u5173\u95ed\u7ebf\u57084\")\r\n        set_text(21, 1, \"\u5df2\u505c\u6b62\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u5df2\u505c\u6b62\"\r\n    end\r\n\r\n    if reg5 <= txtValue5 then\r\n        mb_write_coil_05(16, 4, 1)  -- \u6253\u5f00\u7ebf\u57085\r\n        print(\"\u6253\u5f00\u7ebf\u57085\")\r\n        set_text(20, 1, \"\u8fd0\u884c\u4e2d\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u8fd0\u884c\u4e2d\"\r\n    elseif reg5 <= (txtValue5-3) then\r\n        mb_write_coil_05(16, 4, 0)  -- \u5173\u95ed\u7ebf\u57085\r\n        print(\"\u5173\u95ed\u7ebf\u57085\")\r\n        set_text(20, 1, \"\u5df2\u505c\u6b62\") -- \u8bbe\u7f6e\u6587\u672c\u4e3a \"\u5df2\u505c\u6b62\"\r\n    end\r\nend\r\n\n```\n\r\n\r\n \n\n### 2026\u5e74Lua\u811a\u672c\u8fdb\u9636\u6280\u5de7\n\n\u5728\u5b9e\u9645\u9879\u76ee\u4f7f\u7528\u4e2d\uff0c\u4ee5\u4e0b\u51e0\u70b9\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u811a\u672c\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1a\n\n- **\u52a0\u5165\u6b7b\u533a\uff08\u6ede\u540e\u533a\u95f4\uff09**\uff1a\u907f\u514d\u7ee7\u7535\u5668\u5728\u9608\u503c\u9644\u8fd1\u9891\u7e41\u5f00\u5173\u3002\u4f8b\u5982\u6e7f\u5ea6\u9ad8\u4e8e70%\u5f00\u542f\u9664\u6e7f\uff0c\u4f4e\u4e8e65%\u624d\u5173\u95ed\u2014\u20145%\u7684\u6b7b\u533a\u80fd\u6709\u6548\u9632\u6b62\u7ee7\u7535\u5668\"\u6296\u52a8\"\u3002\n- **\u4e0a\u7535\u521d\u59cb\u72b6\u6001\u68c0\u67e5**\uff1a\u89e6\u6478\u5c4f\u4e0a\u7535\u540e\uff0c\u5efa\u8bae\u5728\u9996\u6b21\u5b9a\u65f6\u56de\u8c03\u4e2d\u8bfb\u53d6\u6240\u6709\u7ebf\u5708\u7684\u5f53\u524d\u72b6\u6001\uff0c\u786e\u4fdd\u753b\u9762\u663e\u793a\u4e0e\u5b9e\u9645\u4e00\u81f4\u3002\n- **\u901a\u4fe1\u5f02\u5e38\u5904\u7406**\uff1a\u5f53Modbus\u8bfb\u53d6\u5931\u8d25\u65f6\uff0c\u4e0d\u8981\u7acb\u5373\u89e6\u53d1\u52a8\u4f5c\uff0c\u5e94\u8bbe\u7f6e\u4e00\u4e2a\u8fde\u7eed\u5931\u8d25\u8ba1\u6570\u5668\uff08\u5982\u8fde\u7eed3\u6b21\u8bfb\u53d6\u5931\u8d25\u624d\u62a5\u8b66\uff09\uff0c\u907f\u514d\u56e0\u77ac\u65f6\u5e72\u6270\u8bef\u62a5\u3002\n- **\u591a\u6761\u4ef6\u4f18\u5148\u7ea7**\uff1a\u5f53\u5b58\u5728\u591a\u91cd\u8054\u9501\u65f6\uff08\u4f8b\u5982\u6e29\u5ea6\u8d85\u6807\u4e14\u6e7f\u5ea6\u8d85\u6807\uff09\uff0c\u9700\u8981\u660e\u786e\u5b9a\u4e49\u5404\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\u548c\u5904\u7406\u987a\u5e8f\uff0c\u907f\u514d\u903b\u8f91\u51b2\u7a81\u3002\n\n\u5b8c\u6574\u7684Lua\u7f16\u7a0b\u53c2\u8003\u6587\u6863\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u53ef\u8bbf\u95ee modbus.cn \u5f00\u53d1\u6587\u6863\u4e13\u533a\u83b7\u53d6\u6700\u65b0\u7248\u672c\u3002\n\n---\n*modbus.cn*\n"