Hi all, I'm trying to access a tag in Ignition which comes from an Instance DB in a Siemens S7-1500 PLC, and for some reason it is not working. If I access a global db it works fine. For example: DB200 is my instance DB, and DB8 is my global DB. If I put the opc item path as: "ns=1;s=[S71500_PLC…

I solved it 30 min ago. The issue in our case is that when the project got migrated, the "Optimized block access" got ticked. Once I unticked it, it now works. Thanks everyone for the help.

Issue addressing Siemens Instance DB in Ignition

Ignition

andrew.budaiev October 18, 2023, 9:05am 3

Maybe try this one