TGP-751 datasheet(25/35 Pages) ETC2

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Micropelt - preliminary - Datasheet TE-CORE /RF v1.4 | Page 25

Thermoharvesting Wireless Sensor System

Micropelt TE-CORE /RF

5.4.5 Change the temperature unit

The temperature unit is config-

ured by default in Celsius degree

[°C] and can be changed to Fahrenheit degree by using

the to button “°C /°F”.

5.4.6 Use of multiple TE-CORE /RF systems

More complex monitoring of a thermal profile will

likely yield faster when multiple sensors are in just

one setup. To support such scenario the TE-Power

SCOPE offers the MULTI-CORE functionality.

Individual device addresses for each TE-Power CORE /

RF allow to connect and identify up to five units to one

TE-Power SCOPE application. Once an additional TE-

CORE /RF signal is being received, a new tab with the

corresponding address (“CORE nnn”) appears at the

top of the histogram. To select a specific TE-CORE /RF,

just click its tab. Click the “Rename” button to assign

an individual and more informative name to the cur-

rent TE-CORE /RF sensor.

If no data is received for more than 10 seconds, the

corresponding tab turns grey and the image of the TE-

CORE /RF below the diagram disappears. This allows

fast identification of active TE-CORE /RF’s.

5.4.7 Recording and Saving Data

Histogram data may be saved for later analysis by

either checking the „Save in Realtime“ option or

by clicking „Save diagram“. Selecting either option will

bring up the “Save As” dialog box, asking for name and

target location of the file. Files are saved in the CSV

data format, compatible with any text editor or spread-

sheet software such as MS Excel. As indicated by the

button’s position inside the blue diagram area “Save

diagram” saves just the data of the selected TE-CORE /

RF. If recording is to be continued, it is necessary to

save again in order to keep the new data .

5.4.8 Save in Realtime

“Save in real-time” establishes long term record-

ing. The function continuously logs the data of

ALL active TE-CORE /RF’s to a specified file - eventual-

ly, if not stopped, until the target storage medium runs

out of space.

The check mark remains visible to indicate that real

time saving is in progress. The horizontal time axis of

the histogram will always indicate the duration of the

recording.

When to use “Save in realtime”:

To ensure all data of ALL active TE-COREs are kept safe

and in one single file. It will be easy to separate them

in any spreadsheet program. Any long term harvesting

study or observation of random events, e.g. changing

environmental conditions, calls for long term record-

ing. Prevent data loss from unexpected system shut-

down, e.g. power-loss of the PC. Recorded data is safe

in such an event.

Perform data recording that continues past midnight,

i.e. 00:00 system time: At 00:00 system time, all system

memory (RAM) data is deleted and the diagram is

cleared.

This does not apply to “Save in realtime” hard disk re-

cordings. Data is safely kept in a log file and logging

continues past midnight without interruption.

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