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Chapter 2. Product Description
The Telemetry Gateway is used as a network controller. It manages and
transmits data between different networks:
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Using the Telemetry Gateway, it is also possible to configure remote station
settings, such as measurement frequencies and changing threshold values for
alerts, activating power saving modes or adding IP addresses in the case of
GPRS.
An A440 can be connected directly via the cable interface. Up to 10 RA440
modems can be connected via the internet and GPRS/UTMS. This makes it
possible to receive data from a large number of RTUs in various ways: directly
via radio (wirelessly), directly via an internet connection and indirectly via
internet over UHF stations.
The Telemetry Gateway stores the incoming data in its memory. It can monitor a
large number of RTUs and store their data for a certain amount of time without
having to download the data to a computer.
The Telemetry Gateway is operated through a web app, which can be started
from any browser. Using this application, it is possible to add and configure new
stations, store metadata and run diagnostic programs for fault detection.
Several versions of the A850 Telemetry Gateway are available, which can
manage networks of 5 to up to 1,000 wireless stations.
The period of time a gateway can store data depends on the number of RTUs in
the network and the customized settings. The oldest data is overwritten.
Product Features
The Telemetry Gateway is designed for high availability and ensures continuous
24/7 operation.
A850 Telemetry Gateway
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A850-2020 Telemetry Gateway
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Pure networks consisting of GPRS mobile stations (no wireless modems are
required for this; only a stable, fast internet connection with a fixed IP
address is required instead)
Pure networks consisting of UHF stations (with A440 or RA440 wireless
modems)
Mixed networks consisting of UHF, GSM, GPRS and UMTS stations
Processor: 32 Bit ARM, running the Linux operating system
32 MB RAM
1 GB data storage for a max. of 200 standard RTUs
Internal battery for uninterrupted power supply (depending on load (UHF) up
to 24 h)
Processor: AM335x 1 GHz ARM® Cortex-A8
512 MB DDR3 RAM
4 GB 8 Bit eMMC
1 GB standard, up to 32 GB Micro SD as hard drive
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