A single macro is useful; a library is powerful. Follow these rules for Siemens LOGO! macros.
Siemens provides a comprehensive EPLAN Data Portal library for most LOGO! variants. However, many senior engineers prefer custom macros for specific use cases: Siemens Logo Eplan P8 Macro
| Source | Pros | Cons | |--------------------|-----------------------------------------------|------------------------------------------| | Siemens EPLAN Portal | OEM-accurate, updated, includes 3D macros | Generic I/O naming; no project-specific logic | | Custom Macro | Tailored terminal numbering; internal logic links | Maintenance overhead if firmware changes | A single macro is useful; a library is powerful
Pro Tip: Start with the Siemens official macro (downloadable via EPLAN’s Device → Import → EPLAN Data Portal). Then "unpack" it, add your company’s default wire colors or fuse assignments, and save it as a project macro. For handoff to commissioning: provide mapping between LOGO
This article explains how to create, document, and reuse macros for Siemens LOGO! controllers within EPLAN Electric P8. It covers best practices for symbolization, device data, macro structure, parameterization, and export/import workflows so you can standardize LOGO! designs across projects.