10/16/2020 12:49 PM | |
Posts: 3 Rating: (0) |
Hello, I tried to downgrade the firmware version from V2.0.1 to V1.0.3. When I press "run update", update start and goes to 20% and stop. I use Tia portal V15. Any help? ------------------------------------------------------------------------------------------ |
Last edited by: Jen_Moderator at: 10/16/2020 13:54:35New subject after splitting |
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10/16/2020 6:23 PM | |
Joined: 7/7/2010 Last visit: 9/19/2024 Posts: 15207 Rating: (2417)
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As a general rule which I also know is not 100%, Siemens tends to change hardware revisions when firmware major numbers change. With different hardware revisions, they do not allow lower level firmware to be installed. This does not seem to apply in the Sinamics drive world in quite the same way, but for most PLC related things, it usually is that way. If that is the problem, you will need to contact Siemens for module with FW 1.0.3. Does the firmware installation guide for 1.0.3 state it can be downgraded? Does firmware 2.0.1 say it cannot be downgraded?
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