User Manual 18 < back to the table of contents > 5 Web User Interface (Web UI) A local web server is available on the COM-Module for configuring the COM-Module itself and one or more connected DAT-Modules. The following tasks can be performed via the web server: • Configuration of the COM-Module • Setup and configuration of DAT-Modules The next chapter describes how to establish a connection to the Web UI. Afterwards, the available configuration options are explained in detail. 5.1 Accessing the Web User Interface 5.1.1 Connecting the Web UI to a DHCP Server The Web UI of the COM-Module can be accessed via its unique device name (DNS address). To establish a connection, a network with a DHCP server is required, typically a router with DHCP service enabled. Initial Connection via Ethernet For first-time access, the COM-Module connects to the network using an Ethernet cable. Please note the following: • Only use the lower Ethernet socket (Eth0) of the COM-Module. • The COM-Module must be connected to a DHCP-enabled router. • The schematic setup is shown in Figure 12. WLAN Connection Connecting the COM-Module to an existing Wi-Fi network is only possible after a successful Ethernet connection. Wi-Fi configuration is described in Chapter 12.1.3 Configuring the Wireless Network (WLAN). Accessing the COM-Module After successful configuration, the COM-Module can be accessed via its unique DNS name in a web browser. This DNS name is printed on the left side of the device and shown in Figure 11. Figure 11: Highlighted in red – the unique DNS address of the COM-Module is located on the left side of the device After the first login, the dashboard displaying the current measurement values of the COM-Module. Once connected to at least one DAT-Module, you can create widgets that display the measurement data of the connected module. Figure 8 shows the dashboard along with the menu bar. Alternatively, the IP address assigned by the DHCP server must be determined. By default, the modules are configured to obtain their IP address via a DHCP server.
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