Qelectrotech Siemens Library Fixed May 2026

Libraries created on Windows often have backslashes (\) in image paths. When opened on Linux or macOS, QET cannot find the files. Similarly, case‑sensitive file systems cause "file not found" errors.

open-source electrical CAD project. These fixes typically address symbol scaling, pin orientation, and metadata accuracy for industrial automation components. QElectroTech Overview of the Siemens Library Evolution

Historically, Siemens symbols in QElectroTech—particularly PLC modules—suffered from inconsistent sizing and complex terminal layouts that made wiring difficult in the diagram editor. QElectroTech Standardization of Dimensions

: Recent community updates have moved toward standardizing PLC module heights (often fixed at 250 units) to ensure consistent appearance across complex project folios. Grid Alignment

: "Fixed" versions of the library ensure that terminals are placed on the grid (typically in multiples of 10 or 20) to prevent "hanging" wires that fail to connect properly in the software. Metadata Cleanup qelectrotech siemens library fixed

: Updated Siemens elements now feature normalized article numbers and manufacturer fields, making them more compatible with the automatic "Parts List" or Bill of Materials (BOM) generators. QElectroTech How to Access the Fixed Library

QElectroTech maintains two types of collections: the read-only Official QET Collection User Collection QElectroTech Sharing elements (Page 1) - QElectroTech

Go to File → Settings → Paths:

| Setting | Correct value example | |---------|------------------------| | Elements collection path | C:\Users\YourName\AppData\Local\QElectroTech\elements | | Custom elements path | same as above | Libraries created on Windows often have backslashes (

Do not set it to system program folder if using user libraries – QET may not have write access.


For electrical engineers, automation technicians, and industrial panel builders, the name Siemens is synonymous with reliability. For the open-source community, QElectroTech (QET) is the go-to solution for creating schematic diagrams without the crushing cost of proprietary software like EPLAN or AutoCAD Electrical.

However, for years, a persistent bugbear has haunted users of these two powerful tools: The QElectroTech Siemens library was broken.

If you have ever tried to drag a Siemens PLC rack, a contactor, or a circuit breaker onto your QET canvas, only to be greeted by missing files, broken elements, or path errors, you know the pain. The good news? The issue has been addressed. This article provides the definitive guide to the "QElectroTech Siemens library fixed" solution—covering why it broke, how to apply the fix manually, and where to download the corrected repository. You can create a fixed element manually by


You can create a fixed element manually by pasting the correct XML code into a new element file. This ensures the terminals and UUID are valid.

Example: A Fixed Siemens S7-300 PLC Block

<definition height="200" hotspot_y="20" hotspot_x="20" link_type="simple" type="element" version="0.80" width="100">
    <uuid uuid="a1b2c3d4-e5f6-7890-abcd-ef1234567890"/>
    <names>
        <name lang="en">Siemens S7-300 Block</name>
        <name lang="de">Siemens S7-300 Block</name>
        <name lang="fr">Bloc Siemens S7-300</name>
    </names>
    <informations>Fixed Siemens Library Element - Generic PLC Block</informations>
    <description>
        <!-- Main Body -->
        <rect x="0" y="0" width="80" height="160" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
        <rect x="0" y="0" width="80" height="20" style="line-style:normal;line-weight:normal;filling:black;color:black"/>
<!-- Label Area -->
        <input text="S7-300" x="5" y="15" size="9" color="white"/>
        <input text="%M%I%Q" x="10" y="40" size="7"/>
<!-- Power Terminals -->
        <terminal number="_24V" name="1" orientation="w" x="-10" y="20" number="_M" type="Generic"/>
        <terminal number="_M" name="2" orientation="w" x="-10" y="40" type="Generic"/>
<!-- Input Terminals -->
        <terminal number="I0.0" name="3" orientation="w" x="-10" y="60" type="Generic"/>
        <terminal number="I0.1" name="4" orientation="w" x="-10" y="80" type="Generic"/>
        <terminal number="I0.2" name="5" orientation="w" x="-10" y="100" type="Generic"/>
        <terminal number="I0.3" name="6" orientation="w" x="-10" y="120" type="Generic"/>
<!-- Output Terminals -->
        <terminal number="Q0.0" name="7" orientation="e" x="90" y="60" type="Generic"/>
        <terminal number="Q0.1" name="8" orientation="e" x="90" y="80" type="Generic"/>
        <terminal number="Q0.2" name="9" orientation="e" x="90" y="100" type="Generic"/>
        <terminal number="Q0.3" name="10" orientation="e" x="90" y="120" type="Generic"/>
    </description>
</definition>

Open a broken .elmt file in a text editor. Look for <imagePath> tags. If the path uses backslashes, change them to forward slashes. If it points to an absolute path like C:\Users\..., change to a relative path: ./siemens_images/plc.png (then create that folder and place the image there).

Better yet, remove external image references and use QET’s native vector shapes.