FP0 HardwareAnalog I/O Unit
4-16
Matsushita Electric Works (Europe) AG
4.6 Boosting the Precision of the Thermocouple Range
When a high degree of precision is required, we recommend correcting the offset using
the program.
Example:
Temperature (C)
of terminal
200
100
K100 K107 K200 K207
Digital value (WX2)
Measured value
Logical
Value
Offset error
R9010
F27 (–), WX2, K7, DT100
Program example, FPWIN GR
In the above case, seven should be subtracted from the value of WX2.
The value with the offset value of “7” subtracted is stored at DT100.
Program example, FPWIN Pro
Note
We recommend initiating correction using the offset value taken
approximately 5 minutes after power is turned ON in order to
take into consideration the heat generated by the unit itself.
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