Siemens Tia Portal V13 Sp1 Update 4 Better 2021 Official

Let’s address the elephant in the room. By 2021, why not just upgrade to V17?

: You can run newer S7-1200 firmware (like FW 4.2) in V13 SP1 using "compatibility mode". siemens tia portal v13 sp1 update 4 better 2021

Despite its benefits, using V13 SP1 Update 4 in 2021 presented technical hurdles: Windows 10 Incompatibility Let’s address the elephant in the room

Real-world user feedback confirms that V13 SP1 Update 4 handles project compilation and cross-referencing much more smoothly than V13.0.6. Despite its benefits, using V13 SP1 Update 4

When it was released, Update 4 brought several critical enhancements that made it "better" than its predecessors:

Around 2021, a notable security vulnerability was discovered that directly relates to TIA Portal V13. It was found that SIMATIC S7-1200 PLCs with firmware version 4.5.0, when provisioned (initially set up) using TIA Portal V13, would fail to authenticate against configured passwords. This vulnerability could allow an attacker using TIA Portal V13 or later to bypass authentication and download malicious programs to the PLC.

Upgrading software often forces you to upgrade old PLC firmware, which can sometimes brick older hardware chips, forcing unplanned capital expenditure.