17 Data logger
FLUXUS H721 17.1 Configuration of the data logger
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UMFLUXUS_H721V1-5EN, 2022-05-15
Ringbuffer
The data logger can be configured as linear logger or ringbuffer. If the ringbuffer is deactivated and the data logger is full,
the storing of measured values will be terminated. It can be continued after clearing the data logger. If the ringbuffer is
activated and the data logger is full, the oldest measured values will be overwritten. In ringbuffer mode, the remaining
capacity of the data logger is displayed during the measurement, e.g.:
Log←→ : 1d 6h 57m is displayed, if no measured values have been overwritten.
Log|←→| : 1d 6h 57m is displayed, if the old measured values have been overwritten.
• Select the menu item Configuration.
• Press ENTER until the menu item Ringbuffer is displayed.
•Select On to activate the ringbuffer.
• Press ENTER.
If the ringbuffer is deactivated and the data logger is full, the storing of measured values will be terminated.
•Select Off to deactivate the ringbuffer.
• Press ENTER.
Storage mode
• Select the menu item Configuration.
• Press ENTER until the menu item Storage mode is displayed.
• Press ENTER.
•Select Sample to store the current measured value.
•Select Average if the average of all undamped measured values of a storage interval is to be stored.
Further parameters for storing
It can be defined whether the following parameters are to be stored together with the measured values.
•Select Yes to store the value. Select No in order not to store the value.
Special functions\
Data logger\
Configuration\Ringbuffer
Special functions\
Data logger\Configuration
\Storage mode
The storage mode does not affect the outputs.
Storage mode = Average
The average of the physical quantity and of other quantities assigned to the measuring channel, e.g., the measured
temperature, will be calculated.
If a storage rate < 5 s is selected, Sample will be used.
If no average could be calculated over the complete storage interval, the value will be marked as invalid.
Tab. 17.1: Parameters for storing
display description of the parameters
Store totalizers values of the totalizers
Store diagnost. values diagnostic values
Store transd. temp. transducer temperature
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