Proline Promag W 800
6 Endress+Hauser
GSM/GPRS communication Wireless GSM/GPRS transmission of information
Data can be transmitted to and from the measuring device via wireless communication. Ideal for
applications in which the measuring point is installed in a remote location, making tasks like reading
counters very time-consuming activities.
As it is possible to configure limit value monitoring with alarms signaled by e-mail or SMS, operators
can respond specifically to local changes:
• SMS: receive alarms, query totalizer counter readings, change the device configuration etc.
• E-mail: The data saved by the data logger are sent by e-mail in a defined period of time (e.g. once a
day). A CSV-file is attached to the e-mail.
E-mails can only be sent to an SMTP server that does not require a password and user name. Port
25 normally fulfills these criteria.
This must be verified by your e-mail provider.
It is important to ensure that the signal of the mobile communications network is strong enough
to enable the system to dial into the GPRS/GSM network.
Mobile communications network (GSM: Global System for Mobile Communications )
Data can be transmitted via a mobile communications network with the GSM/GPRS modem. The
modem can be configured as a point-to-point connection or as a modem that can be openly accessed
via the Internet/intranet.
A SIM card from a mobile communications provider is required for the GSM/GPRS mode.
The communication is established via the data channel of the SIM card.
Additional activation might be required for this card depending on the GSM/GPRS provider.
The SIM card must be activated for GPRS operation.
A0017029
Operation of the measuring device in the mobile communications network
1 Measuring device with SIM card
2 Cellular phone
3GSM network
4 GPRS network
5 Web server (provider)
6 Laptop (customer)
GPRS support
GPRS (General Packet Radio Services) is a mobile communications technology that takes advantage of
the benefits afforded by packageoriented data transmission and channel bundling.
In contrast to normal connections, an entire channel is not reserved for the duration of the connection
between the mobile device and the base station when transmitting data via GPRS. Instead, the data are
grouped into data packets which can be transmitted depending on the requirements and capacity.
Higher transmission rates are possible with packet-based data transmission. This allows the
measuring system to connect periodically to the Internet, an intranet or a mailbox. Data are then only
transmitted if required, such as if a new e-mail is sent or received.
Therefore communication via GPRS-based operation of the measuring system provides the simplest
and most cost-effective way of connecting a measuring point periodically to the Internet or an intranet.
!
Note!
If the device is in service subject to legal metrological control, the wireless transmission of billing-
specific data via GSM/GPRS is for information purposes only and is not legally binding.
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