To use the ADD FunctionÂ
ADD(TagTag1,TagTag2,Tag)Tag3)
Tag1 + Tag2 + Tag3
ADD(Demo-influxdb/DEMO_01TI031.PV,Demo-influxdb/DEMO_01TI032.PV,Demo-influxdb/DEMO_01TI021.PV)
Examples
Creating totals to be used calculate averages using the DIV operation
...