This allows you to click on a symbol in QET representing a and instantly see the upstream/downstream wiring—something even expensive software struggles with.

Having a pre-built means you don't have to draw the logo, pin layouts, or connection points for standard hardware like the S7-1200 or ET 200 distributed I/O. Instead, you can simply drag and drop these elements onto your workspace, ensuring:

A typical QElectroTech Siemens collection (often maintained by the community on GitHub or the official QElectroTech wiki) usually includes:

If a "Siemens" folder does not exist, you must manually import it.

When designing PLC racks using the Siemens library, use the function in QElectroTech.

The is a specialized collection of digital symbols and elements used within QElectroTech (QET), a free and open-source CAD software for creating industrial electrical diagrams. This library specifically provides standardized components for Siemens industrial automation products , allowing engineers and students to design professional-grade schematics including PLCs, motor starters, and HMI displays. Core Components of the Siemens Library