Difference between revisions of "Wireless sensor network - eKo"

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(New page: right|200px|Wireless sensor network - image 1 right|400px|Wireless sensor network - image 2 Wireless sensor network ==Method:== ===Summary:=== ...)
 
 
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[[Image:image1.jpg|right|200px|Wireless sensor network - image 1]]
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[[Image:image.jpg|right|200px|Wireless sensor network - image 1]]
 
[[Image:image2.jpg|right|400px|Wireless sensor network - image 2]]
 
[[Image:image2.jpg|right|400px|Wireless sensor network - image 2]]
Wireless sensor network
+
Wireless sensor network (commercial)
  
  
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===Range/Power (line of sight/dBm):===
 
===Range/Power (line of sight/dBm):===
 
+
500m / 3db / 2mWatt
  
 
===Hop modes:===
 
===Hop modes:===
 
+
Multi hop self optimizing
  
 
===GPRS:===
 
===GPRS:===
 +
planned
 +
===Mesh limitations:===
  
===Mesh limitations:===
+
35 nodes (= routers)
  
number of sensors:
+
4 ports/node; typ. up to 2 sensors/port
  
 
number of nodes per router:
 
number of nodes per router:
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===Sensor compatibility:===
 
===Sensor compatibility:===
  
 +
analog (Voltage)
 +
 +
digital 
 +
 +
counter
 +
 +
input RS485
  
 
===Data reading frequency:===
 
===Data reading frequency:===
 +
 +
Currently fixed to a measuring and sending interval of 15min.
  
  
 
===Storage of data/backup:===
 
===Storage of data/backup:===
 +
 +
Only within web server / 2GB
  
  
 
===Power consumption:===
 
===Power consumption:===
  
 +
Web server 4 Watt / 5 V
  
 
===Reliability:===
 
===Reliability:===
  
Years in service:
+
Years in service: at least 5 years
  
Failure rate instrument (years):
+
Failure rate instrument (years): not known
  
Packet failure (%):
+
Packet failure (%): Depends on system installation, typical <10%
  
 
===Installation procedure:===
 
===Installation procedure:===
 +
 +
  
 
===Installation underground possible:===
 
===Installation underground possible:===

Latest revision as of 14:30, 10 July 2009

Wireless sensor network - image 1
Wireless sensor network - image 2

Wireless sensor network (commercial)


Method:

Summary:

Radio frequency used:

Radio protocol used:

Range/Power (line of sight/dBm):

500m / 3db / 2mWatt

Hop modes:

Multi hop self optimizing

GPRS:

planned

Mesh limitations:

35 nodes (= routers)

4 ports/node; typ. up to 2 sensors/port

number of nodes per router:


Additional information:

Sensor compatibility:

analog (Voltage)

digital

counter

input RS485

Data reading frequency:

Currently fixed to a measuring and sending interval of 15min.


Storage of data/backup:

Only within web server / 2GB


Power consumption:

Web server 4 Watt / 5 V

Reliability:

Years in service: at least 5 years

Failure rate instrument (years): not known

Packet failure (%): Depends on system installation, typical <10%

Installation procedure:

Installation underground possible:

Battery life:

Maintenance required /Ease of maintenance:

Support:

Software:

Web friendly interface:


Data base:


Scripting language:

Ease of update:

Open source:


Cost:

What to watch out for:

Problems/Questions:

Links

Projects that used the above equipment:


Other related web sites:

Technical information

Distributors


References