Hello all!
I have a doubt about the main difference between system.opc and system.tag. What reading is faster?
Thanks for your help!
Hello all!
I have a doubt about the main difference between system.opc and system.tag. What reading is faster?
Thanks for your help!
system.tag.read* is faster because it will just read the current value of the SQLTag. system.opc.read* has to make a trip to the OPC server and back.