Siemens 277IWLAN-V211, 277IWLAN-V210 User Manual

Configuring the HMI device

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6.12 Changing Internet settings

6.12 Changing Internet settings

6.12.1 Changing general settings

You can use this function to set the homepage and search engine page for an Internet
connection via the Internet Explorer. Ask your network administrator for the required
information.

Requirement

You have opened the "General" tab in the "Internet Options" dialog box using the
"Internet Options" icon.

Procedure

Proceed as follows:

1. Enter the homepage for the Internet browser in the "Start Page" text box.

2. Enter the address of the default search engine in the "Search Page" text box.

3. Enter the display format of the Internet pages in the "User Agent" text box.
The following display formats can be selected:
– Default (Windows CE)
– Same as Pocket PC
– Same as Windows XP

Note
The "Default (Windows CE)" display format is optimized for Internet pages on a HMI

device with the Windows CE operating system. "Default (Windows CE)" is therefore
the most suitable.

4. Enter the required amount of cache in the "Cache" text box.

5. If you want to delete the cache, press the "Clear Cache" button.

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Configuring the HMI device

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27.07.2010

6.12 Changing Internet settings

6. If you want to delete the history, press the "Clear History" button.

7. Confirm your entries.

The dialog closes.

Result

The general parameters for the Internet browser have been set. The settings take effect the
next time you start the Internet Explorer.

6.12.2 Setting the proxy server

Use this function to configure the type of Internet access. Ask your network administrator for
the required information.

Requirement

You have opened the "Connection" tab in the "Internet Options" dialog box using the
"Internet Options" icon.

Procedure

Proceed as follows:

1. Select the "Use LAN (no autodial)" check box.

2. If you are using a proxy server, in the "Network" group, select the

"Access the Internet using a proxy server" check box.
Specify the address and port of the proxy server.

3. If you want to bypass the proxy server for local addresses, select the

"Bypass proxy server for local addresses" check box.

4. Confirm your entries.

The dialog closes.

Result

The parameters for the LAN connection have been made.

Mobile Panel 277F IWLAN V2, Mobile Panel 277F IWLAN (RFID Tag)
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Configuring the HMI device

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6.12 Changing Internet settings

6.12.3 Changing privacy settings

Cookies contain information sent by a Web server to a browser. The cookie is sent back
when the Web server is accessed at a later time. This step involves sending stored
information for subsequent access.

Data can be sent encrypted for greater data security on the Internet. Common encryption
protocols include SSL and TLS. You can activate or deactivate the usage of encryption
protocols.

Ask your network administrator for the required information.

Requirement

You have opened the "Privacy" tab in the "Internet Options" dialog box using the
"Internet Options" icon.

Procedure

Proceed as follows:

1. Select the required cookie behavior by means of the radio buttons.
– "Accept"

Cookies are stored without request.

– "Block"

Cookies will not be stored.

– "Prompt"

Cookies will be stored on request.

2. If you want allow cookies which are restricted to a single session, select the
"Always allow session cookies" check box.

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Configuring the HMI device

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27.07.2010

6.12 Changing Internet settings

3. Change to the "Advanced" tab.

4. Activate the required encryption protocol.

5. Confirm your entries.

The dialog closes.

Result

The accepted cookies and the required encryption protocol are set.

6.12.4 Importing, displaying and deleting certificates

You can use this function to import, display and delete certificates. The certificates differ as
follows:

● Certificates that you trust

● Own certificates

● Other certificates
A digital certificate consists of structured data, which confirms ownership and other

properties of a public key. Ask your network administrator about the certificates required for
your application.

Requirement

You have opened the "Certificates" dialog box with the "Certificates" icon.

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Configuring the HMI device

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6.12 Changing Internet settings

Procedure

Proceed as follows:

1. Select the type of certificate from the selection box:
– "Trusted Authorities" for reliable certificates
– "My Certificates" for your own certificates
– "Other Certificates" for other certificates

2. If you want to import a certificate, press the "Import" button.
A dialog with information about the source opens.
– Select the required source.
– Close the dialog.

3. If you want to display the properties of the selected certificate, press the "View" button.
The following dialog appears:

4. If you want to delete a certificate, first select it.

5. Confirm by pressing the "Remove" button in the "Certificates" dialog.

Note
The entry is deleted immediately and without further inquiry.
If you want to again use a deleted certificate, you need to import it again from a storage

medium.

6. Confirm your entries.
The dialog closes.

Result

The number of saved certificates has changed.

Mobile Panel 277F IWLAN V2, Mobile Panel 277F IWLAN (RFID Tag)

184 Operating Instructions, 09/2010, A5E02766325-01