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Unread June 20th, 2019, 02:59 AM   #1
mad4x4
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Siemens S7-300 / S400 range Life Expectancy

We all know that the S7-300 range has been around for an age and the new S7-1200 & S7-1500 ranges are well established any one know if the S7-300 & s7-400 ranges are to be withdrawn / obsoleted in the next year or so?
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Unread June 20th, 2019, 03:49 AM   #2
cardosocea
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S7-300 will depend on the processors although I would expect them to discontinue them in the 2020's.

The S7-400 will likely live on for another 10 years in my opinion as they serve a purpose that the S7-1500 hasn't made a headway in, which is process control or PCS7 systems.

This being said, the S7-1500H are available in the market, but they're far from proven when compared to the 400's.
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Unread June 20th, 2019, 04:06 AM   #3
Thomas_v2
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Siemens states for the S7-400 series, that it will be available beyond 2030:

https://w3.siemens.com/mcms/programm...s/Default.aspx

I think the time for huge S7-400 racks is over, most new stations are using decentral peripherie IO, which is easier to update to newer versions (ET200S to ET200SP for example).
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Unread June 20th, 2019, 04:32 AM   #4
JesperMP
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Siemens has a policy of a 10-year transition period, after they announce the intention for a major product to be discontinued, it will available for another 10 years. However, during the 10 year period the parts will increase in price.
After the expiration of the 10 years phase-out period, the parts will still be available for purchase as spare parts - but at a much increased price.

Since Siemens hasnt announced the start of the 10-year phase-out period, we can assume that both S7-300 and S7-400 will be available for purchase as new parts for at least 10 years.

My hunch is that Siemens will announce the phase-out of S7-300 very soon. No idea about S7-400.
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Unread June 20th, 2019, 07:07 AM   #5
chopin
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I have been shown today a presentation from Siemens.

For S7-300 they will announce phase-out in 2023 and 2033 is when the support is planned to end

Last edited by chopin; June 20th, 2019 at 07:11 AM.
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