Released by Siemens to refine the baseline V13 architecture, targeted core stability bugs and engineering bottlenecks within the standard suite. It aggregated several system improvements into a unified patch, altering how the framework interacted with both safety controllers and connected HMI hardware. Key Enhancements Enclosed in Update 4
While modern industrial setups default to newer releases like V17, V18, or V20, thousands of global production lines still run reliably on and S7-1500 controllers configured nearly a decade ago.
For any individual considering this version in 2021, your decision should be based not on its features, but on the hardware and projects you must support. For creating new automation projects in a modern Windows 10 environment, a current version of TIA Portal is the only viable choice, ensuring compliance, security, and support. siemens tia portal v13 sp1 update 4 better 2021
The Windows 10 compatibility question deserves deeper exploration, as it became increasingly relevant throughout 2021.
Seamless configuration of Comfort Panels and Basic Panels. Released by Siemens to refine the baseline V13
: Many factories maintain machines built between 2014 and 2017; staying on V13 avoids expensive licensing upgrades. Key Technical Improvements in Update 4
: This specific update addressed major stability issues, such as crashes when a PC woke from sleep while connected to a PLC. It also improved the STEP 7 Safety license compatibility and enabled automatic support for previously "unsupported" F-blocks. For any individual considering this version in 2021,
V13 SP1 Update 4 cannot configure modern hardware revisions natively. If an old S7-1200 or S7-1500 fails and must be replaced with a newer hardware revision, you are forced to use device backward-compatibility modes or upgrade your engineering software.
Why? Because for many legacy plants, this update represented the final polished gem of the V13 ecosystem—a version that was not the newest, but in 2021 was still better for reliability, compatibility, and performance on mature hardware.
: Projects created in V13 SP1 (including Update 4) can be opened directly in V13 SP2 without a formal upgrade process. www.industry-mobile-support.siemens-info.com 4. Downloading the Software Siemens Support Portal : The most reliable way to obtain updates is through the Siemens Industry Online Support (SIOS) Automation Software Updater