This feature is designed for an EPLAN macro generation tool (e.g., a script, add-in, or standalone generator) that creates device macros for the Siemens LOGO! 8 series PLCs.
: In EPLAN Electric P8, go to the parts database and use the "e-plan data portal exchange format" import option. Select the downloaded Siemens Logo Eplan P8 Macro
These contain the schematic representation of the device. They usually display the terminal layout (e.g., I1-I8, Q1-Q4) and allow the designer to connect signal cables. These are often "window macros" that appear as rectangular blocks on the schematic page. This feature is designed for an EPLAN macro