Hydro Logger H40
User manual
FIEDLER
electronics for ecology
37
4.9.
Parameters for sending data under TCP/IP protocol
The "GPRS" tab contains the parameters needed to set up periodic sending of archived
data via GSM/GPRS network to the designated server in the Internet.
Checking the "Periodic sending of archived data" option in the upper left corner of the
window enables setting of individual parameters of this service. Uncheck this option to
temporarily or permanently disable GPRS communication.
Entering the date and time is used to set up regular data sending. Setting the date to a
future day will enable sending from that day onwards. On the other hand, the "old" date
in the settings does not matter, the first sending will be done at the nearest set hour and
minute.
Under this option are the parameters for periodic data sending.
If an alarm condition occurs on any measurement channel (it
does not matter whether it is a limit or a bridge condition), the
communicator can send data to the server more frequently than
in the normal "quiet" state. The value of the
Alarm Interval
pa-
rameter should not be less than 30 minutes. A shorter interval would put unnecessary
load on the communicator battery and GSM/GPRS network, as well as on the server
itself receiving data from multiple stations, and would also have a negative impact on the
cost of data services.
When only a few measured values are transmitted under the TCP/IP protocol, the pro-
tocol overhead itself makes up the vast majority of the information in the transmitted
packet and the actual measured data occupies only a small part of the transmitted data
volume. Therefore, as the sending interval shortens, the total transmitted data volume
increases and thus the station's operating costs increase.
The Internet access point must be set according to the type of SIM card and operator
used. The "optional" option also allows you to specify special APNs of private corporate
networks or foreign operators.
These parameters are set at the factory and do not need to be changed. If the device
will be operated in the customer's own system and the data will be transferred to the
customer's own server, it is necessary to set the corresponding IP address and the port
used.
F i r s t t i m e s e n d
F u r t h e r
A l a r m i n t e r v a l
N o t e
A P N ( A c c e s s P o i n t
N a m e )
S e r v e r I P a d d r e s s
a n d p o r t
Special command
line for modem
settings
Enabling GPRS
data transfers
List of preset
APNs (Internet
access points)
of selected mo-
bile operators
Setting the time
for periodic sen-
ding of data to the
server
Set the interval in
days or hours for
periodic data
uploads
Setting the inter-
val in minutes for
sending data for
the duration of an
alarm condition on
a measurement
channel
Box for setting
your own APN for
operators not lis-
ted
Name and
password to ac-
cess the private
network.
Setting the server
address, port and
number of retries
in case of failed
data transfer to
the server
