Remote Radio Link User Guide
Page 3
2 RRL Overview
The Solinst RRL System offers a very simple and inexpensive method of local telemetry. The wireless system
is designed to collect real-time data and send it via radio to your Home Station. The RRL is excellent for small,
closed-loop networks such as mine sites and landfill monitoring networks.
RRL Stations work with omnidirectional antennas line-of-sight transmission, therefore, can communicate over
distances up to 20 miles (30 km) with 900 MHz radios. Optional antennas and using some stations as repeaters
can maximize distances.
Note:
To increase communication distances, you can bridge an RRL Network with an STS Edge Telemetry System
(which uses cellular communication). See the STS Edge User Guide for more details.
2.1 RRL Stations
All RRL Stations use the same hardware, and are programmed using a wizard in the Solinst Telemetry Software
as a Home Station, Remote Station or Relay Station. As such, RRL Stations are interchangeable as required.
Home Station
: Each RRL Network will have one Home Station. The Home Station is connected to a PC
using an RS232 cable and requires an external power supply, as well as the internal batteries, to operate.
Note:
The RRL Home Station and Relay Stations require an external power supply, as well as the internal batteries.
Note:
You can connect your RRL Home Station to a remote STS Edge Telemetry System instead of a PC. See the STS
Edge User Guide for more details on bridging the two systems.
Relay Station
: When a Remote Station cannot communicate to the Home Station directly, due to distance or
line-of-sight issues, a Relay Station can be used to transmit the data. Data from attached datalogger is stored
at a Relay Station. However, with no dataloggers attached, data is not stored, it is only re-transmitted. The
radio at a Relay Station is always on, therefore a continuous external power supply is required, in addition to
the internal batteries.
Remote Station
: The Remote Station will turn the radio module on and off based on the Report Rate
scheduled. The Remote Station does not require an external power supply, unless there is a frequent Report
Rate programmed.
Figure 2-1 RRL Network
Summary of Contents for Remote Radio Link
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