Qelectrotech - Siemens Library ((free))

The Siemens library for QElectroTech (QET) isn't a single official "pack." Instead, it's a mix of built-in components and user-contributed files found in the community forums and GitHub . 📂 Where to find Siemens symbols

, the library is primarily maintained through the community-driven Official Elements Collection and specialized forum contributions. Accessing Siemens Libraries Official QET Collection qelectrotech siemens library

6. Embedding Wiring and Addressing Conventions

Free & Open Source:

| Pros | Cons | | :--- | :--- | | No licensing fees for Siemens symbols. | Not Official: Siemens AG does not endorse or certify these symbols. | | Fast Drafting: Drag-and-drop S7-1200 CPU saves hours. | Part Number accuracy: Double-check MLFB numbers; community data may lag behind new Siemens releases. | | Lightweight: Runs on a $200 laptop. | PLC I/O mapping: You must manually link text fields to your project’s terminal strip. | | XML editable: You can bulk-edit pin labels via text editor. | No auto-panel layout: Unlike EPLAN, QET does not auto-generate cabinet layouts from the library. | The Siemens library for QElectroTech (QET) isn't a

• The main QET installation includes many standard IEC symbols, but Siemens-specific components are often in the user-contributed section.
• Visit: https://qelectrotech.org → Elements section.

Third-Party Repositories

: Sites like GitHub often host "contrib" libraries containing Siemens S7-1200 or S7-1500 symbols. How to Import Custom Siemens Libraries The main QET installation includes many standard IEC

• Not officially maintained by Siemens — all libraries are community-driven.
• Coverage varies — some newer products (e.g., S7-1200 G2) may not be available yet.
• Missing parameters — you may need to manually add properties like “Order number” or “Voltage rating.”

QElectroTech is an open-source application for creating electrical, electronic, automation, and control system diagrams. A well-organized symbol library significantly speeds up schematic creation and increases consistency. This article examines the Siemens library concept within QElectroTech: what it is, why it's useful, how to create, organize, customize, and share a Siemens-style library, plus practical workflows, best practices, and examples for industrial automation projects.