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Application Note
Temperature and Pressure Compensation for Ideal Gas
Floating-point format calculations have enabled physical quantities (in engineering units) to be used in calculations.
- When using calculation modules in the earlier YS Series:
Scaling needs to be performed by the user to normalize physical quantities into the standard internal data form (0 to 100%) so that those quantities can be processed.
- When using a temperature and pressure compensation module in a YS1700:
- Thanks to floating-point format calculations, no scaling is needed.
- Online monitor enables the interim calculation results between calculation modules to be checked.
Note:
Online monitor can only be used for user programs coded in function block programming, and thus cannot be used for those coded in text programming.
Calculations in YS1700
- Assign scaling of temperature and pressure input values.
- Configure a calculation block for temperature and pressure compensation of flow rates of ideal gas.
- Assign BSC to perform a PID calculation.
