You can log the value of an expression to a file for trending, by defining it as a trend tag:
|
Trend Tag Name |
B1_TIC |
|
Expression |
B1_TIC_101_PV + B1_TIC_102_PV |
|
File Name |
[log]:B1_TIC |
When the system is running, the value of the expression B1_TIC_101_PV + B1_TIC_102_PV is logged to the file [log]:B1_TIC.
See Also