在在工业场景中,经常会使用到plc进行各种设备的数据采集和控制。本教程介绍使用海创-IIoT 可视化平台配置s7-200 smart跑马灯场景效果。 一、使用产品- 海创Box智能采集网关
- 西门子plc (ST20 S7-200)
- 带自锁急停开关
- LED声光报警器
- LED电源指示灯
二、产品连接方式三、产品配置- 西门子PLC (ST20 S7-200) 基础配置
- 西门子PLC (ST20 S7-200) 跑马灯控制设计
总开开启时,接受平台信号
总开开启,响一声;总开关闭复位,信号响两声
四、项目部署调试在桌面中打开海创-IIoT可视化编辑工具,进入可视化编辑器。本次教程需要用到如下节点,在左侧节点栏中拖拽出使用 配置相应节点后配置界面如下: 节点配置:- 定时器 设置成周期性触发,主要当触发流程使用,具体配置如下图
- S7ctrl 设置如下配置,配置PCL连接地址并定义PLC变量表
- function 在右侧调试窗口打开代码编码窗口,向PLC的M区写入对应的bool值从而控制对应PLC输出点的LED灯
部署调试:按照以上教程配置好流程后,点击部署,部署成功后程序开始运行,在实验板上观看到跑马灯效果,本案例效果可根据实际应用,比如与具电表或湿湿度仪配置,读取其状态数据,修改function代码设定亮灯场景等。 五、示例以上教程可以通过拷贝下面代码实现快速复用,在新建的流程中点击界面右侧 菜单栏-导入-剪贴板,在文本框中粘贴下面代码后点击确定,即可快速复用 [ { "id": "934346d0.9ab7c8", "type": "iot-s7ctrl", "z": "cbf428b2.2a3ac8", "name": "", "server": "b8104a0c.03ed08", "columns": [ { "Key": "M0.0", "Label": "M0.0", "Address": "M0.0", "Ctrlvalue": "0", "ValueType": "bool" }, { "Key": "M0.1", "Label": "M0.1", "Address": "M0.1", "Ctrlvalue": "yes", "ValueType": "bool" }, { "Key": "M0.2", "Label": "M0.2", "Address": "M0.2", "Ctrlvalue": "0", "ValueType": "bool" }, { "Key": "M0.3", "Label": "M0.3", "Address": "M0.3", "Ctrlvalue": "0", "ValueType": "bool" }, { "Key": "M0.4", "Label": "M0.4", "Address": "M0.4", "Ctrlvalue": "0", "ValueType": "bool" }, { "Key": "M0.5", "Label": "M0.5", "Address": "M0.5", "Ctrlvalue": "0", "ValueType": "bool" }, { "Key": "MR2", "Label": "MR2", "Address": "MR2", "Ctrlvalue": "11.22", "ValueType": "numerical " }, { "Key": "MD1", "Label": "MD1", "Address": "MD1", "Ctrlvalue": "444", "ValueType": "numerical " } ], "x": 655, "y": 340, "wires": [ [] ] }, { "id": "b8104a0c.03ed08", "type": "iot-s7ctrl-client", "z": "", "name": "", "communicate": "TCP", "host": "192.168.7.163", "post": "102", "baudrate": "9600", "databits": "8", "stopbits": "1", "parity": "None", "expand": {}, "connmode": "tsap", "rack": "0", "slot": "2", "localtsaphi": "10", "localtsaplo": "00", "remotetsaphi": "03", "remotetsaplo": "00", "verbose": "default" }] |