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: It maintains compatibility with S7-1200 and S7-1500 controllers, though newer firmware versions (like v4.2+) may require "replacement compatibility" mode if they are not natively in the V13 catalog. Installation Prerequisites siemens tia portal v13 sp2 update 4 download
Update 4 is the final major update for V13 SP2 and focus on the following: Scroll past the description