Which chart is opening the comm handle? You don’t need to open the comm handle in your chart, as the modbus subroutines will open it if it is not open. If you are continuously getting this data you shouldn’t close the comm handle either.
Which chart is opening the comm handle? You don’t need to open the comm handle in your chart, as the modbus subroutines will open it if it is not open. If you are continuously getting this data you shouldn’t close the comm handle either.