Shanghai ZLAN Information Technology Co., Ltd Tel: +86-17321037177 http://www.zlmcu.com
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Figure 17 Enable Modbus TCP
If the user's Modbus TCP software is used as Slave, it is necessary to change the
working mode to client based on the transfer protocol selection, and the
destination IP change to the computer IP of Modbus TCP software, and the
destination port is 502, as shown in figure 18.
Figure 18 Modbus TCP as Client
4.8 Web Configuration
ZLVircom can be used to search and configure device parameters in different
network segments. The configuration of the Web mode requires that the computer
and the serial port server are in the same IP segment, and the IP address of the
serial port server should be known in advance. But the Web configuration can be
done on any computer without ZLVircom.
1) Enter the IP address of the serial port server in the browser, such as
