User Documentation
31u-remote web server manual2112220000/06/01.2021
11 Help and FAQ
11.1 The web server cannot be loaded
– Are coupler and PC properly connected via an USB cable?
– Is the IP address for the USB port set correctly (see sec-
tion11.2)
– Clear the temporary browser data (empty cache, deleting
the browser protocol is not sufficient) and reload the web
server.
– If you call up the web server via HTTP, try calling up the
web server via HTTPS.
– Check whether your IT security guidelines allow access
via HTTPS, if the server certificate has not been signed by
a trusted certificate authority.
11.2 Identifying the IP address of the USB port
The following addresses can be used for the USB port:
192.168.1.202 (default), 192.168.2.202, 192.168.3.202,
192.168.4.202, 192.168.5.202 (default with
UR20-FBC-EIP).
You can identify the IP address in the Network and Sharing
Center via the Windows control panel.
▶ Click the name of the connection that is displayed as Uni-
dentified network (in the following example Ethernet 4).
The Ethernet 4 Status window is opened.
Ethernet 4 Status
▶ Click Details....
The Network Connection Details window is opened.
Network Connection Details
The IP address of the virtual LAN port (USB connection) is
displayed next to IPv4 DHCP server. The standard IP address of
the eldbus coupler is: 192.168.1.202.
11.3 Savingaservicele
In the event of problems and service cases, it may be help-
ful to save the current log data for the u-remote station. This
data can provide service technicians with important informa-
tion in the event of malfunctions.
▶ In the menue bar, click Extras/Save service file.
Menue Extras/Save service file
▶ Select a storage location on your PC for the service file
(logdata.wmi) and click Save.