Hi again,

Now everthing is good on my side. As a result, I need to buy new version card V2.0

My tia portal is V16.

Last question,

When i download firmware, there are four upd files. How should i chose when i want to uprage the firmware? What are the differences them?

bg_abl.upd

header.upd

komp_1.upd

komp_2.upd

https://support.industry.siemens.com/cs/ww/en/view/104548043

ES01-05/V1.0.4

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Split from Fail-safe digital output module firmware update.