I--- Qelectrotech Siemens Library - Instant
For complex Siemens schematics involving multiple pages:
In the world of free and open-source electrical CAD software, QElectroTech (QET) stands as a formidable alternative to expensive proprietary tools like EPLAN or AutoCAD Electrical. However, the true power of any ECAD software lies in its component libraries. For automation engineers working with German engineering giants, the phrase "i--- Qelectrotech Siemens Library -" represents a critical search for standardization, efficiency, and precision.
This article serves as the definitive guide to understanding, installing, and utilizing the Siemens library within QElectroTech. Whether you are designing a S7-1200 PLC panel, wiring a Sinamics drive, or laying out a Profibus network, mastering this library will cut your design time in half.
The fragmented keyword "i---" likely implies several high-intent actions:
User Intent: The user is an electrical design engineer or a maintenance technician who has QET installed but lacks the specific Siemens hardware symbols (PLCs, I/O cards, relays, circuit breakers). They need a solution now.
The QElectroTech Siemens Library is an essential resource for automation engineers. While it requires occasional manual updates to keep pace with Siemens' latest hardware releases, it provides a robust foundation for professional-grade schematic design. By utilizing Macros and maintaining strict part numbering, users can generate accurate electrical diagrams that seamlessly translate from screen to the factory floor.
QElectroTech (QET) is a free, open-source CAD/CAE software designed for creating professional electrical, hydraulic, and pneumatic diagrams. The Siemens Library in QET refers to a collection of pre-made symbols and component representations (elements) specifically modeled after Siemens industrial hardware, such as S7-1200 PLCs, contactors, and power supplies. 1. Integration and Access
QElectroTech organizes its assets into three main collections: i--- Qelectrotech Siemens Library -
QET (Common) Collection: The default, read-only library included with the software installation. Vendor-specific folders, including Siemens components, are typically found under categories like Automatisme or Electric > Allpole.
User Collection: This is where you can manually add or import custom Siemens elements downloaded from community forums or official repositories.
Project Collection: Automatically stores a copy of every element used within a specific project to ensure portability. 2. Finding Siemens Components
Because QET has an active community, many Siemens-specific elements are contributed by users and included in newer releases.
Navigation: You can find these by navigating the Elements Panel (usually on the left) and using the Filter tool to search for keywords like "Siemens" or "S7".
S7-1200 Series: High-demand elements like the Siemens S7-1200 PLC variants (e.g., 1212C, 1214C) are frequently shared on the QElectroTech Forum as .elmt files. 3. Adding New Siemens Elements
If a specific Siemens part is missing, you have several options for adding it: Online manual for QElectroTech 0.4 For complex Siemens schematics involving multiple pages: In
Siemens Library QElectroTech (QET) is a collection of standardized symbols and components specifically designed for representing
automation hardware in electrical diagrams. This library is part of the broader official elements collection
and includes elements for PLCs, HMI panels, and other industrial automation modules. QElectroTech Key Features of the Siemens Library Standardized Construction
: The community has established specific rules for Siemens elements, such as a fixed height of 250 units
, with widths varying by module type to ensure visual consistency across different projects. Detailed I/O Mapping
: Symbols often include detailed cabling information, including power supply connections and communication ports like MPI or Profibus. PLC Integration : The library provides complex symbols for SIMATIC S7
series (S7-300, S7-1200, S7-1500), including master/slave and next/previous localization features for tracking signals across multiple folios. HMI and Visualization : Elements for SIMATIC WinCC User Intent: The user is an electrical design
unified systems and panels are frequently updated within the collection. Siemens SiePortal Managing Library Elements Share the elements library (Page 1) - QElectroTech
Here’s a professional write-up for I--- Qelectrotech Siemens Library:
QElectroTech makes adding new elements relatively straightforward. Here is how you can get the Siemens collection running in your project:
If specific Siemens components are missing (e.g., a new S7-1500 safety CPU), users often create or download .elmt or .qet files from community forums.
| Siemens Family | QET Element Type | Typical Attributes | | :--- | :--- | :--- | | 3RV2 Breaker | Protective Device | Rated current, trip class | | 6ES7 212 | PLC Rack | 14DI/10DO, supply voltage | | 3SU1 Pushbutton | Control Device | Color, contact block type | | 6SL3210 (G120) | Drive | Power rating, communication protocol |
Never use absolute paths. Always embed the library within the project folder.