Modbus Poll模拟Modbus TCP服务的设置
1、Modbus Poll软件的主界面如下所示,菜单项包括File、Edit、Connection、Setup、Functions、Display、View、Windows、Help。
![](https://img.haomeiwen.com/i2903309/a9c29db40490b0a8.png)
2、建立连接,点击菜单项Connection中的Connect,弹出Connection Setup窗口
![](https://img.haomeiwen.com/i2903309/a9c29db40490b0a8.png)
2、按照下图进行Modbus TCP的设置
Connection:Modbus TCP/IP
Serial Settings:COM1 9600bAUD 8Data bits Even Parity 1 Stop Bit
Mode:RTU
Response Timeout:1000
Delay Between Polls:20
IP Address or Node Name:127.0.0.1
Server Port:502
Connect Timeout:3000
IPv4
![](https://img.haomeiwen.com/i2903309/7bc52a482a883bac.png)
3、TX是发送的次数,红字NO CONNECTION字消失即为连接成功。
![](https://img.haomeiwen.com/i2903309/7c86ee067ca186ff.png)
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