National Instruments FP-3000 Manual de usuario Pagina 43

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Chapter 3 Example Applications
FieldPoint FP-3000 User Manual 3-8
©
National Instruments Corporation
Set the Input Range and Thermocouple Type
1. Find the FP_TC_120_RANGE parameter in the block.
2. Set the parameter to
0–2048 K (degrees Kelvin).
3. Set the
FP_THERMOCOUPLE_TYPE to the type of thermocouple you
have connected (such as
J or K type thermocouple).
Figure 3-3.
Set the Input Range and Thermocouple Type Dialog Box
Scale the Reading
1. Tell the block the range of values to expect from the transducer. Go to
the
XD_SCALE parameter in the block and enter the following:
XD_SCALE
EU at 100% 2048
EU at 0% 0
Units Index K
Decimal 2
This tells the AI block to expect readings in the range of 0 to 2048 K
from the thermocouple module.
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