I S A
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13 Virtual Sensors
The BlueBox PC Software offers with AMS (Advanced Managing Software) the possibility to set up virtual (cal-
culated) sensors. In combination with the ISA there are numerous possible applications.
A description of the software AMS with its formula language AMS Formula can be found in the attached
Man-
ual BlueBox PC Software
.
If more than one spectrometer is connected to the BlueBox, in the formula input field a spectrometer has to
be defined with the entry
ISA“CAN-ID“;
To this spectrometer the following ISA specific formula elements relate.
CAN-ID = CAN-ID of a spectrometer
13.1 Example Calculation of a Fingerprint Difference
This example refers to the previous fingerprint function.
see
9.2.2.6 Fingerprint (previous function)
and
9.2.2.7 Fingerprint (new functions)
A saved spectrum fingerprint can be used as a reference to look for medium contamination. In this formula,
the sum of the absolute value of the differences between the current spectrum and the current fingerprint at
all frequencies in the range 200 nm to 700 nm is calculated. The frequency range can of course be adjusted.
Select FPD with double-click.
If no allocated virtual sensor exist, select
a non allocated virtual sensor (n/c) with
double-click.
