The most authoritative source for Siemens software is the Siemens Industry Online Support (SIOS) portal. You can begin your search for SIZER by visiting the official Siemens support page: https://support.industry.siemens.com .
Enter into the SIOS search bar. Locate the official product release entry or update page.
Microsoft Office 2010/2013/2016/365 and Microsoft .NET Framework 2.0. Recommended Migration: TIA Selection Tool Siemens recommends switching to the TIA Selection Tool (desktop) for all new drive system dimensioning. Integrated Dimensioning:
It exports data directly to the TIA Portal (Totally Integrated Automation). This eliminates manual data reentry during commissioning. Technical Specifications and Requirements siemens sizer 3.23 download
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: This specific error has been reported, for example, when installing version 3.20 on a Windows 7 64-bit system. While a project created in an older version might open with errors due to component discontinuation, sometimes a complete reinstallation or updating to a newer patch version is required.
A: Siemens SIZER is typically provided free of charge to customers for engineering and configuration purposes. However, you may need to obtain the software from a Siemens sales representative or through an official support contract. The most authoritative source for Siemens software is
Use a dedicated download manager if your connection is unstable. Large installation packages can corrupt during standard browser downloads.
It is important to note that the world of drive engineering is evolving. The standalone "SIZER for Siemens Drives" (versions 3.x) is considered a legacy tool. Siemens has transitioned to , which is integrated into the TIA Selection Tool (TST) .
SIZER V3.23 provides a step-by-step structural wizard that ensures a single, error-free workflow across multiple industrial layers: Locate the official product release entry or update page
: It calculates torque, speed, and power requirements based on user-defined load profiles and recommends compatible motors, gear units, and accessories : Siemens recommends transitioning to the TIA Selection Tool
focuses deeply on the mechanical dimensioning, load cycles, physical calculation, and electrical matching of motors and drives. The TIA Selection Tool is a broader configurator used to lay out complete automation architectures, including PLCs, I/O modules, network switches, and basic drive selections without complex mechanical calculations.
Siemens SIZER 3.23 is an indispensable tool for automation and electrical engineers working with the Siemens drive ecosystem. By automating complex mechanical calculations and enforcing component compatibility, it mitigates project risk and accelerates the commissioning timeline. Always download the software through the official Siemens Industry Online Support portal to ensure system stability, security, and access to the latest technical updates. If you are currently setting up a project, let me know: