Wireless Sensor Networks
The CR206X, CR211X, and CR216X can be used in a wireless sensor
network. Wireless sensor networks are appealing because they are
often more economical than trenching, laying conduit, and pulling
wire. In some applications, cabled sensors are impractical due to
man-made or natural causes, including construction, lightning, mov-
ing platforms, agricultural production, or bodies of water.
The diagrams at the top of the page depict our CR206X/RF401-based
wireless sensor networks. Our CR211X/RF411-based and CR216X/
RF416-based networks are similar.
All wireless sensor networks require LoggerNet 2.1 or higher software.
The base datalogger must use the PakBus communication protocol
(e.g., CR800, CR850, CR1000, CR3000). The PakBus protocol was op-
tional for our retired CR510, CR10X, and CR23X dataloggers; the PakBus
operating system is available, at no charge, from www.campbellsci.
com/downloads for these dataloggers.
Other Applications
Aquaculture—monitors and records water quality around the
clock providing continuous data that can be used to identify
trends and improve production.
Rural Water—provides continuous monitoring of the water sys-
tem regardless of time of day or time of year. All monitored sites
can be networked into one integrated system.
Water Level/Flow—measures level in many environments includ-
ing wells, dams, streams, weirs, and water treatment or waste-
water treatment plants. Compatible with shaft encoder, pressure
transducers, compact bubblers, radar water level sensors, and
sonic ranging sensor.
Water Quality—monitors and records water temperature, pH,
dissolved oxygen, and turbidity.
Wind Energy—can be deployed in a wireless network congura-
tion to provide cost eective monitoring at each level of a wind
assessment tower while avoiding long cables.
CR206X/RF401-based Wireless Sensor Networks
Computer Running
LoggerNet 2.1 or higher
Office
Base Datalogger
Wireless
Interface
Supported “Telemetry
Links” include SC32B, RF401,
COM220, SRM-5A, NL100, and
some phone-to-RF combina-
tions. Consult the factory for
more details.
RF401
CR206X
CR800,
CR850,
CR1000, or
CR3000
Computer Running
LoggerNet 2.1 or higher
Office
Wireless
Interface
RF401
CR206X
In a simple network, the measurements
are transmitted directly to the computer.
Applications
(78 pages)
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