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RBNB Sink Actor Design And API

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Note: This page under construction! CR800 program, wiring details, more text and cleanup of existing text to come...

There currently exist two prototype Kepler actors that retrieve and output data from RBNB servers, and a few workflows that use them. We will likely merge these actors into one, as well as continue to add functionality to them in the future.

RBNBToKepler outputs streaming data from an RBNB server. It is currently hardcoded to localhost.

RBNBToKepler2 operates on a timeslice of data from an RBNB server. The user specified server, time range, and optionally channels to ignore (ie to not download), and the actor then retrieves and outputs this data.

Below find screenshots of an example RBNBToKepler2 workflow and the resulting plots. This is junk "desk data"--the Campbell CR800 datalogger and sensors are set up and running on my desk. You can easily note when I switched from AC to solar near the beginning of the battery voltage plot. Sensors and the solar panel were/are occasionally arbitrarily moved about, though it was fairly infrequent (in the case of the panel, generally to better sit in sunlight). We had one cloudy day.

Plots

All times are in seconds since unix epoch. This will be remedied in the future, it requires a fair amount of development to be implemented properly.
plot Vendor name/description sensor model units notes
Air Temp Campbell Temp & RH Probe #1 CS215L Deg C inside Gill Radiation Shield
Relative Humidity Campbell Temp & RH Probe #1 CS215L % inside Gill Radiation Shield
Battery Voltage Campbell (12V Power Supply w/ Voltage Regulator) (PS100) Volts
Line Photosynthetic Photon Flux (PPF) #1 Apogee Line Quantum Sensor #1 LQS70-10 mV [1]
Line PPF #2 Apogee Line Quantum Sensor #2 LQS70-10 mV [1]
Point PPF Apogee Quantum Sensor QSO-SUN mV [#1] plot is mV. Sensor has standard calibration 5.00 µmol m^-2s^-1 per mV. (PPF = sensor output * 5.00 µmol m^-2s^-1)
Records n/a n/a n/a
Wind Speed Campbell Anemometer 014A-L m/s
Volumetric Water Content (VWC) #1 Campbell Reflectometer #1 CS616 % currently sitting on desk, not in soil
VWC #2 Campbell Reflectometer #2 CS616 % currently sitting on desk, not in soil


Attachments:
RBNBToKeplerDisplay4SDF_tmp_screenshot.jpg Info on RBNBToKeplerDisplay4SDF_tmp_screenshot.jpg 140599 bytes
WS_ms_Avg.jpg Info on WS_ms_Avg.jpg 46804 bytes
qsosun_Avg.jpg Info on qsosun_Avg.jpg 72442 bytes
Rain_mm_Tot.jpg Info on Rain_mm_Tot.jpg 40860 bytes
VW_Avg_new.jpg Info on VW_Avg_new.jpg 53973 bytes
lqs70_Avg(1).jpg Info on lqs70_Avg(1).jpg 74036 bytes
air_temp_C.jpg Info on air_temp_C.jpg 76472 bytes
records.jpg Info on records.jpg 52778 bytes
VW_Avg_2_new.jpg Info on VW_Avg_2_new.jpg 44366 bytes
VW_Avg.jpg Info on VW_Avg.jpg 58128 bytes
relative_humidity.jpg Info on relative_humidity.jpg 67579 bytes
lqs70_Avg(2).jpg Info on lqs70_Avg(2).jpg 70280 bytes
VW_Avg_2.jpg Info on VW_Avg_2.jpg 45425 bytes
Batt_Volt_Mins.jpg Info on Batt_Volt_Mins.jpg 72261 bytes


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This particular version was published on 27-Sep-2007 10:47:30 PDT by uid=barseghian,o=NCEAS.