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2. GPRS settings (Setup – Modem)
To be able to access the web pages by GPRS, the modem has to be configured on
the Setup – Modem page. The most important settings are:
• Modem type: GPRS
• Pin code
• Dial-up: select 'enable' to enable connecting to the Internet
• Connection trigger: select 'always connected' to be able to access the module
• Access point name, user name, and password: Enter the information your
Internet Service Provider has given to you.
For more information, refer to section
3. Alternative web server port (Setup – Webserver)
You may need to configure an alternative web server port on the page Setup –
Webserver if the Internet Service Provider blocks incoming connections to port 80. In
addition you can specify the alternative port to use compression and not to refresh
the values on the web pages automatically to save bandwidth. Refer to section
Webserver
4. Custom views with only the desired values (Configuration – Pages)
If you want to monitor just a few actual values or parameters, it may be a good idea
to create a custom page with just these values. Loading such a minimalist page is
much faster than loading the complete actual values page. For more information on
creating custom pages, refer to section
Modbus/TCP gateway application
In addition to the settings described above in the section
settings for all
SREA-01 for accessing the drives by Modbus/TCP:
1. Modbus settings (Setup – Modbus)
Basically, SREA-01 works as a Modbus/TCP gateway without any special
configuration. You may, however, want to change some settings on the Setup –
Modbus page.
• Internal module registers via Modbus/TCP: The Modbus address that can be
used to access the internal registers of SREA-01. For example, if you have drives
with addresses 1...10 you can set the Internal module registers via Modbus/TCP
to 11 and use that address to access the internal registers. See chapter
B: Internal Modbus registers
• IP Authentication: If you want to restrict the use of Modbus/TCP gateway, you can
do it by entering the desired network IP and subnet mask.
• Transparent Modbus: Default value is disabled. Change the value to enabled.
For more information, see section
on page
72
for more information.
applications, you should check these settings if you are using
for more information.
Modem
on page 66.
Pages
on page 81.
Modbus
on page 63.
Setting up SREA-01 for typical applications
Most important common
Appendix
43
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