威伦的触摸屏价格便宜,市场有一定的占有功率.TAIE温控器的通讯好坏不能用万用表测,可用这种方法来测试.
打开威伦的软件.点新建文件,跳出选触摸屏的型号,根据实际型号选取.
![](/ueditor/php/upload/image/20210612/1623469591135283.jpg)
新增设备,PLC类型选:MODBUS RTU,
![](/ueditor/php/upload/image/20210612/1623469591597065.jpg)
输入文字
![](/ueditor/php/upload/image/20210612/1623469592287925.jpg)
输入温控器PV值,查TAIE的十进制的通讯位址是:138,威伦写的格式是:机号+通讯位址+1.
![](/ueditor/php/upload/image/20210612/1623469592886454.jpg)
根据温控器的情况要不要小数点.
![](/ueditor/php/upload/image/20210612/1623469592903667.jpg)
温控器的SV设定温度,TAIE的SV通讯位址是0,原理一样,
![](/ueditor/php/upload/image/20210612/1623469592140511.jpg)
![](/ueditor/php/upload/image/20210612/1623469592121392.jpg)
编译,
![](/ueditor/php/upload/image/20210612/1623469592137568.jpg)
通过USB线下载到触摸屏.
![](/ueditor/php/upload/image/20210612/1623469593657353.jpg)
温控器这3个参数设成与触摸屏一致.
![](/ueditor/php/upload/image/20210612/1623469593125738.jpg)
做一个9蕊的串口,1脚通讯的+.2脚通讯的-.
![](/ueditor/php/upload/image/20210612/1623469593868467.jpg)
接上温控器通电测试一下
![](/ueditor/php/upload/image/20210612/1623469593547321.jpg)