下面要給大家介紹的是如何使用海創-IIoT平臺快速的采集松下PLC的數據，我們使用的是FPX-C30T型號的PLC，采用Mewtocol 協議。
一.選擇產品
1、松下PLC_FPX-C30T
2、海創Box智能采集網關
3、串口服務器

二.設置PLC串口通訊
在松下PLC編程軟件FPWIN GR里面設置PLC的串口通訊的波特率、數據位、校驗位、停止位。

下圖為寄存器地址。

三.采集數據
在桌面打開海創-IIoT可視化編輯工具，進入可視化編輯器。本次教程需要用到如下節點，在左側節點欄中拖拽出使用。
1、定時器周期性觸發輸入時間戳或者相應的字符。

2、Mewtocol松下Mewtocol 采集協議。

下圖為本案例Mewtocol松下控件的配置內容。

下圖為服務器配置內容

3、調試用于調試節點輸出。

把三個控件用線連接起來組成一個流，點擊部署最后的效果如下圖所示。

四.代碼示例
以上教程可以通過拷貝下面代碼實現快速復用，在新建的流程中點擊界面右側菜單欄-導入-剪貼板，在文本框中粘貼下面代碼后點擊確定，即可快速復用。

[{"id": "c51717ca.f93dc8","type": "iot-mewtocol","z": "8748625d.11eb4","name": "","server": "817a8aa9.0d9508","columns": [{"Key": "1","Lable": "1","Area": "D","Address": "100","Number": "1","ValueType": "Int16BE","Arithmetic": ""}],"x": 435,"y": 340,"wires": [["7d3fe984.c073b8"]]},{"id": "2e14c46c.9929ec","type": "inject","z": "8748625d.11eb4","name": "","topic": "","payload": "","payloadType": "date","repeat": "","crontab": "","once": false,"onceDelay": 0.1,"x": 320,"y": 340,"wires": [["c51717ca.f93dc8"]]},{"id": "7d3fe984.c073b8","type": "debug","z": "8748625d.11eb4","name": "","active": true,"tosidebar": true,"console": false,"tostatus": false,"complete": "true","x": 540,"y": 340,"wires": []},{"id": "817a8aa9.0d9508","type": "iot-mewtocol-client","z": "","name": "","communicate": "Serial","host": "COM1","post": "502","baudrate": "9600","databits": "8","stopbits": "1","parity": "Odd","expand": {"UnitId": "1"}} ]

總結

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