Tag generation is an important part of WinCC tutorial and any SCADA project.In SIMATIC WinCC , there are many ways to create tags as bridge to automation system.External Tags are mostly variables in PLCs and they are access by the designed communication protocol. In this tutorial, you will learn how to create by using STEP 7 symbol server that is an easy access from WinCC development environment.The other method is using monitoring attribute in cells of DB and automatically generate tags by compiling OS in STEP 7.
These are great tools if you want to avoid tedious job of manual tag entries.
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