Device connections AllenBradley

[pturmel]

You might also want to review this topic if you are reading much from AOIs:

Cannot read some tags inside Rockwell AOI

I am trying to see tags inside an AOI. I went back to basics and dragged and dropped the tags from the OPC browser into the Tags Folder, but the quality is bad and there is a red x next to them. What is more confusing is that some are working and some are not. I cannot see any similarities between the few that aren’t working. Data type, In and Out types are working and not working. I can create a new UDT as an In/Out but this seems cumbersome. In this case, I would need to create tags only fo…

Also, avoid reading alias tags. (I recommend avoiding aliases, period.)